首页 > 最新文献

Acta Agraria Debreceniensis最新文献

英文 中文
Performance of agricultural factors on yield of  sweet corn (Zea mays L. Saccharata ) - A review 农业因素对甜玉米产量的影响 - 综述
Pub Date : 2024-06-03 DOI: 10.34101/actaagrar/1/12830
Hajer Mohamed Ibrahim Sidahmed, Árpád Illés, Ali ALmahi, János Nagy
 Sweet corn producers and industries require more reliable cultivars which could be accomplished by hybrid breeding. However, progressive phenological growth may be affected by different factors. In this paper, we analyze the key factors that determine the growth and yield of sweet corn. Environmental factors such as temperature and photoperiod were strong determinants of dates of flowering and harvest which are often crucial to yield in diverse climates and agricultural systems, besides the country's pedological conditions, especially soil fertility, affected phenological development. The effectiveness of fertilization in improving sweet corn growth performance was significantly influenced by the soil characteristics, the water supply, the genotype, and the agrotechnological factors. Therefore, genetic improvement of hybrids should be incorporated into the climate and soil elements to stabilize sweet corn yields in various agroecosystems. Decisions made in the sowing period are very significant, as up to 30% of the obtained yield may depend on making the proper choice. Deviation from the optimum date (either early or late sowing) may decrease yield. When deciding about the sowing date of maize, one needs to consider climate, soil quality, geographical location, temperature, weed infestation, sowing seed quality, and the ripening time of the hybrid to be produced.
甜玉米生产者和产业需要更可靠的栽培品种,这可以通过杂交育种来实现。然而,渐进式物候生长可能会受到不同因素的影响。本文分析了决定甜玉米生长和产量的关键因素。温度和光周期等环境因素是开花期和收获期的重要决定因素,而在不同的气候和农业系统中,开花期和收获期往往对产量至关重要,此外,国家的土壤条件,尤其是土壤肥力,也会影响物候期的发展。施肥在改善甜玉米生长性能方面的效果受到土壤特性、供水、基因型和农业技术因素的显著影响。因此,杂交种的遗传改良应与气候和土壤元素相结合,以稳定甜玉米在各种农业生态系统中的产量。播种期的决策非常重要,因为高达 30% 的产量可能取决于是否做出了正确的选择。偏离最佳播种期(早播或晚播)都可能降低产量。在决定玉米播种日期时,需要考虑气候、土壤质量、地理位置、温度、杂草侵扰、播种种子质量以及所生产杂交种的成熟时间。
{"title":"Performance of agricultural factors on yield of  sweet corn (Zea mays L. Saccharata ) - A review","authors":"Hajer Mohamed Ibrahim Sidahmed, Árpád Illés, Ali ALmahi, János Nagy","doi":"10.34101/actaagrar/1/12830","DOIUrl":"https://doi.org/10.34101/actaagrar/1/12830","url":null,"abstract":" Sweet corn producers and industries require more reliable cultivars which could be accomplished by hybrid breeding. However, progressive phenological growth may be affected by different factors. In this paper, we analyze the key factors that determine the growth and yield of sweet corn. Environmental factors such as temperature and photoperiod were strong determinants of dates of flowering and harvest which are often crucial to yield in diverse climates and agricultural systems, besides the country's pedological conditions, especially soil fertility, affected phenological development. The effectiveness of fertilization in improving sweet corn growth performance was significantly influenced by the soil characteristics, the water supply, the genotype, and the agrotechnological factors. Therefore, genetic improvement of hybrids should be incorporated into the climate and soil elements to stabilize sweet corn yields in various agroecosystems. Decisions made in the sowing period are very significant, as up to 30% of the obtained yield may depend on making the proper choice. Deviation from the optimum date (either early or late sowing) may decrease yield. When deciding about the sowing date of maize, one needs to consider climate, soil quality, geographical location, temperature, weed infestation, sowing seed quality, and the ripening time of the hybrid to be produced.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":"54 49","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141269526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simplified volume equations for grey poplar (Populus × canescens Smith.) standing trees 灰杨(Populus × canescens Smith.)立木的简化体积方程
Pub Date : 2024-06-03 DOI: 10.34101/actaagrar/1/13858
T. Ábri, Veronika Honfy, K. Rédei
Grey poplar (Populus× canescens Smith.) is a natural hybrid of white poplar (Populus alba L.) and Eurasian aspen (Populus tremula L.). It can be found throughout Europe, where both parents are present. The above mentioned species of poplars (under the term of ‘domestic poplars’) cover approximately 5% of the forests of Hungary. Of these species, grey poplar holds significance in forestry, and its role in afforestation shows a growing tendency. For this reason, improving the growing technology of grey poplar is a timely topic. In this paper we introduce algorithms which help estimate grey poplar tree volumes without having to use volume tables. Based on the performed evaluations, both equations can be used for single tree volume estimation with an error of less than 5%.
灰杨(Populus× canescens Smith.)是白杨(Populus alba L.)和欧亚山杨(Populus tremula L.)的天然杂交种。它遍布整个欧洲,父母双方都存在。上述杨树品种(属于 "家养杨树")约占匈牙利森林面积的 5%。在这些树种中,灰杨在林业中占有重要地位,其在植树造林中的作用也呈增长趋势。因此,改进灰杨的种植技术是一个适时的课题。在本文中,我们介绍了有助于估算灰杨树体积的算法,而无需使用体积表。根据评估结果,这两种算法都可用于单棵树木的体积估算,误差小于 5%。
{"title":"Simplified volume equations for grey poplar (Populus × canescens Smith.) standing trees","authors":"T. Ábri, Veronika Honfy, K. Rédei","doi":"10.34101/actaagrar/1/13858","DOIUrl":"https://doi.org/10.34101/actaagrar/1/13858","url":null,"abstract":"Grey poplar (Populus× canescens Smith.) is a natural hybrid of white poplar (Populus alba L.) and Eurasian aspen (Populus tremula L.). It can be found throughout Europe, where both parents are present. The above mentioned species of poplars (under the term of ‘domestic poplars’) cover approximately 5% of the forests of Hungary. Of these species, grey poplar holds significance in forestry, and its role in afforestation shows a growing tendency. For this reason, improving the growing technology of grey poplar is a timely topic. In this paper we introduce algorithms which help estimate grey poplar tree volumes without having to use volume tables. Based on the performed evaluations, both equations can be used for single tree volume estimation with an error of less than 5%.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":"42 20","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141270010","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An advanced classification method for urban land cover classification 一种先进的城市土地覆被分类方法
Pub Date : 2024-06-03 DOI: 10.34101/actaagrar/1/13652
Douraied Guizani, E. Buday-Bódi, János Tamás, A. Nagy
This manuscript presents a detailed comparative analysis of three advanced classification techniques that were used between 2018 and 2020 to classify land cover using Landsat8 imagery, namely Support Vector Machine (SVM), Maximum Likelihood Classification (MLSC), and Random Forests (RF). The study focuses on evaluating the accuracy of these methods by comparing the classified maps with a higher-resolution ground truth map, utilising 500 randomly selected points for assessment.The obtained results show that, compared to MLSC and RT, the Support Vector Machine (SVM) approach performs better. The SVM model demonstrates enhanced precision in land cover classification, showcasing its effectiveness in discerning subtle differences in landscape features.Furthermore, using the precise classification results produced by the SVM method, this study examines the temporal variations in land cover between 2018 and 2020. The results provide insight into dynamic land cover changes and highlight the significance of applying reliable classification techniques for thorough temporal analysis with Landsat8 images.
本手稿详细比较分析了 2018 年至 2020 年间使用 Landsat8 图像进行土地覆被分类的三种先进分类技术,即支持向量机(SVM)、最大似然分类(MLSC)和随机森林(RF)。研究的重点是通过将分类地图与分辨率更高的地面实况地图进行比较,评估这些方法的准确性,并利用随机选取的 500 个点进行评估。SVM 模型提高了土地覆被分类的精确度,展示了其在辨别景观特征细微差别方面的有效性。此外,本研究还利用 SVM 方法产生的精确分类结果,研究了 2018 年至 2020 年期间土地覆被的时间变化。研究结果深入揭示了土地覆被的动态变化,并强调了应用可靠的分类技术对 Landsat8 图像进行全面时间分析的重要性。
{"title":"An advanced classification method for urban land cover classification","authors":"Douraied Guizani, E. Buday-Bódi, János Tamás, A. Nagy","doi":"10.34101/actaagrar/1/13652","DOIUrl":"https://doi.org/10.34101/actaagrar/1/13652","url":null,"abstract":"This manuscript presents a detailed comparative analysis of three advanced classification techniques that were used between 2018 and 2020 to classify land cover using Landsat8 imagery, namely Support Vector Machine (SVM), Maximum Likelihood Classification (MLSC), and Random Forests (RF). The study focuses on evaluating the accuracy of these methods by comparing the classified maps with a higher-resolution ground truth map, utilising 500 randomly selected points for assessment.\u0000The obtained results show that, compared to MLSC and RT, the Support Vector Machine (SVM) approach performs better. The SVM model demonstrates enhanced precision in land cover classification, showcasing its effectiveness in discerning subtle differences in landscape features.\u0000Furthermore, using the precise classification results produced by the SVM method, this study examines the temporal variations in land cover between 2018 and 2020. The results provide insight into dynamic land cover changes and highlight the significance of applying reliable classification techniques for thorough temporal analysis with Landsat8 images.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":"41 30","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141270119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of bioactive substances in different parts of the root in beetroot (Beta vulgaris ssp. esculenta var. rubra) 甜菜根(Beta vulgaris ssp. esculenta var.)
Pub Date : 2024-06-03 DOI: 10.34101/actaagrar/1/13551
Mohamed El-Amine Besbas, Mária Hájos Takácsné
Beetroot, also known as Beta vulgaris ssp. esculenta var. rubra, is a root vegetable that contains a substantial quantity of bioactive elements, notably antioxidants and anti-inflammatory properties. These bioactive compounds, including betalains, phenolics, and flavonoids, contribute to the health-promoting properties of beetroot. The antioxidant and anti-inflammatory effects of beetroot have been extensively studied in preclinical and clinical settings. The active compounds in beetroot have been reported to provide benefits in reducing the risk of various diseases, our research provides a comprehensive analysis of the bioactive compounds the inner and outer skin parts of the root structure. The findings aim to contribute to a deeper understanding of the potential health benefits associated with specific beetroot root components. Furthermore, the results have implications for optimising beetroot cultivation and processing for enhanced nutritional value. This research not only advances our knowledge of the phytochemical profile of beetroot outer skin but also offers valuable insights into the broader field of plant biochemistry and its applications in promoting human health and nutrition. 
甜菜根又名红甜菜(Beta vulgaris ssp. esculenta var. rubra),是一种根茎类蔬菜,含有大量生物活性元素,特别是抗氧化剂和抗炎特性。这些生物活性化合物(包括甜菜苷、酚类和类黄酮)有助于促进甜菜根的健康。甜菜根的抗氧化和抗炎作用已在临床前和临床环境中得到广泛研究。据报道,甜菜根中的活性化合物可降低各种疾病的风险,我们的研究对根部结构的内外表皮部分的生物活性化合物进行了全面分析。我们的研究对甜菜根结构内外表皮部分的生物活性化合物进行了全面分析。研究结果旨在帮助人们更深入地了解甜菜根特定成分对健康的潜在益处。此外,研究结果还有助于优化甜菜根的种植和加工,以提高其营养价值。这项研究不仅增进了我们对甜菜根外皮植物化学成分的了解,还为更广泛的植物生物化学领域及其在促进人类健康和营养方面的应用提供了宝贵的见解。
{"title":"Evaluation of bioactive substances in different parts of the root in beetroot (Beta vulgaris ssp. esculenta var. rubra)","authors":"Mohamed El-Amine Besbas, Mária Hájos Takácsné","doi":"10.34101/actaagrar/1/13551","DOIUrl":"https://doi.org/10.34101/actaagrar/1/13551","url":null,"abstract":"Beetroot, also known as Beta vulgaris ssp. esculenta var. rubra, is a root vegetable that contains a substantial quantity of bioactive elements, notably antioxidants and anti-inflammatory properties. These bioactive compounds, including betalains, phenolics, and flavonoids, contribute to the health-promoting properties of beetroot. The antioxidant and anti-inflammatory effects of beetroot have been extensively studied in preclinical and clinical settings. The active compounds in beetroot have been reported to provide benefits in reducing the risk of various diseases, our research provides a comprehensive analysis of the bioactive compounds the inner and outer skin parts of the root structure. The findings aim to contribute to a deeper understanding of the potential health benefits associated with specific beetroot root components. Furthermore, the results have implications for optimising beetroot cultivation and processing for enhanced nutritional value. This research not only advances our knowledge of the phytochemical profile of beetroot outer skin but also offers valuable insights into the broader field of plant biochemistry and its applications in promoting human health and nutrition.\u0000 ","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":"28 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141271603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Individual cage housing affects feed intake and induces sex-specific effects on body weight in Japanese quails 单笼饲养会影响日本鹌鹑的采食量,并对体重产生性别特异性影响
Pub Date : 2024-06-03 DOI: 10.34101/actaagrar/1/13496
G. K. Reda, S. Ndunguru, Brigitta Csernus, James K. Lugata, Renáta Knop, Csaba Szabó, L. Czegledi
Individual cage housing in poultry production could be a potentially stressful environment for the birds that can alter feed intake, consequently induce negative effects on performance. Previous studies used individual bird-based experiments to extract the detailed molecular, physiological, and fitness outcomes of treatments. Understanding sex-specific effects of isolation on social birds such as Japanese quails (Coturnix japonica) may reveal important considerations. To understand this phenomenon, birds were kept in groups of 10 for one week and they were kept in individual cages for another week.  Daily feed intake (DFI) was measured each day and body weight was measured at the beginning, middle, and end of group rearing and at the beginning and end of individual rearing. It was found that both males and females showed a reduction DFI in response to individual rearing (p<0.0001). Females consumed on average 29.38% higher amount of feed than males. Additionally, females showed a pronounced reduction in body weight after isolation, while the effect on males was not significant. Similarly, females had on average 17.61% higher body weight than males. The body weight to DFI ratio was higher in males than females. The finding of this research revealed an important implication of isolation and sex differences.
家禽生产中的单笼饲养对家禽来说可能是一种潜在的应激环境,会改变家禽的采食量,从而对家禽的生产性能产生负面影响。以前的研究使用基于个体鸟类的实验来提取处理的详细分子、生理和健康结果。了解隔离对日本鹌鹑(Coturnix japonica)等社会性鸟类的性别特异性影响可能会揭示重要的考虑因素。为了了解这一现象,我们将鸟类每 10 只一组饲养一周,然后将它们单独关在笼子里再饲养一周。 每天测量日采食量(DFI),并在分组饲养开始、中期和结束时以及单独饲养开始和结束时测量体重。结果发现,雌雄个体饲养后的日采食量均有所下降(p<0.0001)。雌性的平均饲料消耗量比雄性高出 29.38%。此外,隔离后雌性的体重明显下降,而对雄性的影响并不显著。同样,雌性的体重平均比雄性高出 17.61%。雄性的体重与 DFI 比率高于雌性。这一研究结果揭示了隔离和性别差异的重要影响。
{"title":"Individual cage housing affects feed intake and induces sex-specific effects on body weight in Japanese quails","authors":"G. K. Reda, S. Ndunguru, Brigitta Csernus, James K. Lugata, Renáta Knop, Csaba Szabó, L. Czegledi","doi":"10.34101/actaagrar/1/13496","DOIUrl":"https://doi.org/10.34101/actaagrar/1/13496","url":null,"abstract":"Individual cage housing in poultry production could be a potentially stressful environment for the birds that can alter feed intake, consequently induce negative effects on performance. Previous studies used individual bird-based experiments to extract the detailed molecular, physiological, and fitness outcomes of treatments. Understanding sex-specific effects of isolation on social birds such as Japanese quails (Coturnix japonica) may reveal important considerations. To understand this phenomenon, birds were kept in groups of 10 for one week and they were kept in individual cages for another week.  Daily feed intake (DFI) was measured each day and body weight was measured at the beginning, middle, and end of group rearing and at the beginning and end of individual rearing. It was found that both males and females showed a reduction DFI in response to individual rearing (p<0.0001). Females consumed on average 29.38% higher amount of feed than males. Additionally, females showed a pronounced reduction in body weight after isolation, while the effect on males was not significant. Similarly, females had on average 17.61% higher body weight than males. The body weight to DFI ratio was higher in males than females. The finding of this research revealed an important implication of isolation and sex differences.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":"41 20","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141270128","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The impact of population management on urban and rural Hooded Crow populations 种群管理对城市和农村帽乌鸦种群的影响
Pub Date : 2023-12-01 DOI: 10.34101/actaagrar/2/13015
Petra Paládi, Isma Benmazouz, Szabolcs Lengyel, L. Kövér
Hooded Crow (Corvus cornix), originally native to agricultural areas, has become widespread in urban areas in recent decades. However, this process has negative consequences on urban animals and humans. Due to these problems, the control of urban crow populations is needed. Crows also cause significant damage to wildlife management, and are constantly being controlled in rural areas as well. In this study, we compare rural and urban populations to find out whether hunting activities have a population reduction effect. In the rural population, the reduction is carried out by weapons and traps, while the urban crows are controlled using traps only. In both sample areas, crow nests were surveyed during the nesting period. 29 active nests were monitored in the rural area in 2021, and 39 in 2022. In the urban area, 44 nests were recorded in 2021 and 35 nests in 2022. In 2021, 30 individuals were removed in the rural area, and 84 in 2022. In the urban area, 223 individuals were removed in 2021 and 144 in 2022. Results show that the number of crows removed follows the number of active nests, so that the reduction of a given year is likely to have an effect on the following year's nesting population. Because traps mostly capture juvenile birds, reducing the breeding population in the city can only be achieved in the long-term. Considering this, it is likely that increased attention to population control can effectively maintain crow populations and reduce the problems they cause.
冠鸦(Corvus cornix)原产于农业地区,近几十年来在城市地区变得普遍。然而,这一过程对城市动物和人类产生了负面影响。由于这些问题,需要控制城市乌鸦的数量。乌鸦也对野生动物的管理造成了重大损害,在农村地区也经常受到控制。在这项研究中,我们比较了农村和城市人口,以找出狩猎活动是否有人口减少效应。在农村种群中,通过武器和陷阱进行减少,而城市种群只使用陷阱进行控制。在这两个样本地区,在筑巢期对乌鸦巢穴进行了调查。2021年在农村地区监测到29个活跃巢穴,2022年监测到39个。在城市地区,2021年记录了44个巢穴,2022年记录了35个巢穴。2021年,农村地区有30人被驱逐,2022年有84人被驱逐。在城市地区,2021年移除223人,2022年移除144人。结果表明,乌鸦的数量随着活跃巢穴的数量而减少,因此某一年的减少可能会对下一年的筑巢数量产生影响。由于陷阱捕获的大多是幼鸟,因此减少城市繁殖种群只能是长期的。考虑到这一点,增加对人口控制的关注可能会有效地维持乌鸦的数量,减少它们造成的问题。
{"title":"The impact of population management on urban and rural Hooded Crow populations","authors":"Petra Paládi, Isma Benmazouz, Szabolcs Lengyel, L. Kövér","doi":"10.34101/actaagrar/2/13015","DOIUrl":"https://doi.org/10.34101/actaagrar/2/13015","url":null,"abstract":"Hooded Crow (Corvus cornix), originally native to agricultural areas, has become widespread in urban areas in recent decades. However, this process has negative consequences on urban animals and humans. Due to these problems, the control of urban crow populations is needed. Crows also cause significant damage to wildlife management, and are constantly being controlled in rural areas as well. In this study, we compare rural and urban populations to find out whether hunting activities have a population reduction effect. In the rural population, the reduction is carried out by weapons and traps, while the urban crows are controlled using traps only. In both sample areas, crow nests were surveyed during the nesting period. 29 active nests were monitored in the rural area in 2021, and 39 in 2022. In the urban area, 44 nests were recorded in 2021 and 35 nests in 2022. In 2021, 30 individuals were removed in the rural area, and 84 in 2022. In the urban area, 223 individuals were removed in 2021 and 144 in 2022. Results show that the number of crows removed follows the number of active nests, so that the reduction of a given year is likely to have an effect on the following year's nesting population. Because traps mostly capture juvenile birds, reducing the breeding population in the city can only be achieved in the long-term. Considering this, it is likely that increased attention to population control can effectively maintain crow populations and reduce the problems they cause.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":"124 31","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138609173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Review on the fatty acid profile and free fatty acid of common carp (Cyprinus carpio) 鲤鱼脂肪酸谱和游离脂肪酸综述
Pub Date : 2023-12-01 DOI: 10.34101/actaagrar/2/13290
Lativa Lisya Maghfira, L. Stündl, M. Fehér, Anis Asmediana
Carp or ponty in Hungarian, is considered commercial freshwater fish, which is an adaptable species in both wild and cultured conditions. Carp has high nutritional value content, favorable taste, it is rich in protein, and low in saturated fat. The nutritional content in fish is composed of many chemical constituents and influenced by many factors. One of the components that its content may be different due to internal and external factors is fatty acids, which may vary depending on endogenous and exogenous factors. The endogenous or internal factors include the genetic, size, sexual maturity, and life cycle phase. While microclimate, water quality, quality of food or diet habit, and the amount of available food or starvation are considered as exogenous or environmental factors. Freshwater fish has the ability to convert essential fatty acid into long chain polyunsaturated fatty acid like AA, EPA, and DHA. Most results showed that palmitic acid and oleic acid were the dominant SFA and MUFA in carp both for wild and farmed carp in all seasons. The PUFA for wild carp was mainly dominated by DHA, while on farmed carp by LA. It confirmed that high LA content in farmed carp was related to the diet habit. The amount of lipid and FA were changed in line with the season. Even the statistical analysis showed no significant difference, but some studies showed a contrasting result. Moreover, most obtained results acknowledged that FA tends to decrease during the spawning period. The amount and composition of FA were affected by the total lipid content. The lipid must be broken down into simpler compounds such as FA or FFA for the metabolism of fish. The result of metabolism then transported into the utilising tissue and used as energy.
鲤鱼或匈牙利的池塘,被认为是商业淡水鱼,这是一个适应野生和养殖条件的物种。鲤鱼营养价值含量高,口感好,蛋白质含量丰富,饱和脂肪含量低。鱼类的营养成分由多种化学成分组成,受多种因素的影响。脂肪酸是因内因和外因而含量不同的成分之一,其含量可能因内因和外因而不同。内源性或内源性因素包括遗传、大小、性成熟和生命周期阶段。而小气候、水质、食物质量或饮食习惯、可获得食物的数量或饥饿被认为是外源性或环境因素。淡水鱼具有将必需脂肪酸转化为AA、EPA、DHA等长链多不饱和脂肪酸的能力。大部分结果表明,在野生和养殖鲤鱼中,棕榈酸和油酸是鱼体内主要的SFA和MUFA。野生鲤鱼多足脂肪酸以DHA为主,养殖鲤鱼多足脂肪酸以LA为主。说明养殖鲤鱼的高LA含量与饲料习惯有关。脂质和FA含量随季节变化而变化。即使是统计分析也没有显示出明显的差异,但一些研究却显示出相反的结果。此外,大多数已获得的结果都承认产卵期FA有下降的趋势。脂肪酸的含量和组成受总脂肪含量的影响。脂质必须被分解成更简单的化合物,如FA或FFA,以供鱼的代谢。然后代谢的结果被输送到利用组织并作为能量使用。
{"title":"Review on the fatty acid profile and free fatty acid of common carp (Cyprinus carpio)","authors":"Lativa Lisya Maghfira, L. Stündl, M. Fehér, Anis Asmediana","doi":"10.34101/actaagrar/2/13290","DOIUrl":"https://doi.org/10.34101/actaagrar/2/13290","url":null,"abstract":"Carp or ponty in Hungarian, is considered commercial freshwater fish, which is an adaptable species in both wild and cultured conditions. Carp has high nutritional value content, favorable taste, it is rich in protein, and low in saturated fat. The nutritional content in fish is composed of many chemical constituents and influenced by many factors. One of the components that its content may be different due to internal and external factors is fatty acids, which may vary depending on endogenous and exogenous factors. The endogenous or internal factors include the genetic, size, sexual maturity, and life cycle phase. While microclimate, water quality, quality of food or diet habit, and the amount of available food or starvation are considered as exogenous or environmental factors. Freshwater fish has the ability to convert essential fatty acid into long chain polyunsaturated fatty acid like AA, EPA, and DHA. Most results showed that palmitic acid and oleic acid were the dominant SFA and MUFA in carp both for wild and farmed carp in all seasons. The PUFA for wild carp was mainly dominated by DHA, while on farmed carp by LA. It confirmed that high LA content in farmed carp was related to the diet habit. The amount of lipid and FA were changed in line with the season. Even the statistical analysis showed no significant difference, but some studies showed a contrasting result. Moreover, most obtained results acknowledged that FA tends to decrease during the spawning period. The amount and composition of FA were affected by the total lipid content. The lipid must be broken down into simpler compounds such as FA or FFA for the metabolism of fish. The result of metabolism then transported into the utilising tissue and used as energy.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":" 31","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138620667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of ethephon levels and amino acids on the growth characteristics of oat crop 乙硫磷水平和氨基酸对燕麦生长特性的影响
Pub Date : 2023-12-01 DOI: 10.34101/actaagrar/2/13083
Haider H. Hassan, Doaa N. Zaibel, Safaa A. Zaidan, Jameel S. Shadhan
A field experiment was conducted during the 2021-2022 season in an agricultural field in Basra Governorate. The aim was to study the effect of spraying ethephon and amino acids on the growth characteristics of oats (Avena sativa L.) Shifa cultivar. The experiment involved three levels of ethephon (0, 0.240, and 0.600 kg ha-1), represented by the symbols E0, E1, and E2 respectively, and two spray levels of amino acids (0 and 5 ml L-1), represented by the symbols A0 and A1. A factorial experiment was applied using the R.C.B.D (randomized complete block design) in a split plots arrangement with three replications. The results revealed significant differences in the levels of ethephon for most of the studied characteristics. The level of 0.240 kg ha-1 (E1) was superior in terms of chlorophyll content, crop growth rate, and the number of tillers, with increases of 39.07%, 39.26%, and 16.36%, respectively, compared to the control treatment (E0). Regarding the amino acids treatments, spraying at a concentration of 5 ml L-1 (A1) demonstrated significant superiority, resulting in the highest plant height, flag leaf area, chlorophyll content, and crop growth rate. This study concludes that amino acids play a crucial role in plant growth, and the combination of 5 ml L-1 amino acids with 0.240 kg ha-1 of ethephon significantly increased chlorophyll content and crop growth rate.
在2021-2022年季节,在巴士拉省的一块农田进行了田间试验。研究喷施乙烯利和氨基酸对燕麦生长特性的影响。Shifa品种。试验涉及三个水平的乙烯利(0、0.240和0.600 kg ha-1),分别用E0、E1和E2表示;两个水平的氨基酸(0和5 ml L-1),用A0和A1表示。采用rc.b.d(随机完全区组设计)的析因试验,分为3个重复。结果显示,在大多数研究特征中,乙烯利的水平存在显著差异。0.240 kg ha-1 (E1)处理在叶绿素含量、作物生长率和分蘖数方面均较对照处理(E0)提高39.07%、39.26%和16.36%。在氨基酸处理方面,5 ml L-1 (A1)浓度喷施具有显著优势,株高、旗叶面积、叶绿素含量和作物生长率最高。综上所述,氨基酸在植物生长中起着至关重要的作用,5 ml L-1氨基酸与0.240 kg ha-1乙烯利的组合显著提高了叶绿素含量和作物生长速度。
{"title":"Effect of ethephon levels and amino acids on the growth characteristics of oat crop","authors":"Haider H. Hassan, Doaa N. Zaibel, Safaa A. Zaidan, Jameel S. Shadhan","doi":"10.34101/actaagrar/2/13083","DOIUrl":"https://doi.org/10.34101/actaagrar/2/13083","url":null,"abstract":"A field experiment was conducted during the 2021-2022 season in an agricultural field in Basra Governorate. The aim was to study the effect of spraying ethephon and amino acids on the growth characteristics of oats (Avena sativa L.) Shifa cultivar. The experiment involved three levels of ethephon (0, 0.240, and 0.600 kg ha-1), represented by the symbols E0, E1, and E2 respectively, and two spray levels of amino acids (0 and 5 ml L-1), represented by the symbols A0 and A1. A factorial experiment was applied using the R.C.B.D (randomized complete block design) in a split plots arrangement with three replications. The results revealed significant differences in the levels of ethephon for most of the studied characteristics. The level of 0.240 kg ha-1 (E1) was superior in terms of chlorophyll content, crop growth rate, and the number of tillers, with increases of 39.07%, 39.26%, and 16.36%, respectively, compared to the control treatment (E0). Regarding the amino acids treatments, spraying at a concentration of 5 ml L-1 (A1) demonstrated significant superiority, resulting in the highest plant height, flag leaf area, chlorophyll content, and crop growth rate. This study concludes that amino acids play a crucial role in plant growth, and the combination of 5 ml L-1 amino acids with 0.240 kg ha-1 of ethephon significantly increased chlorophyll content and crop growth rate.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":"65 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138626470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The analysis of ostrich chick vitality 鸵鸟雏鸟活力分析
Pub Date : 2023-12-01 DOI: 10.34101/actaagrar/2/13315
Dóra Lili Brassó, Renáta Knop, Z. Várszegi, István Komlósi
Examinations on ostrich chick vitality can help to improve the effectiveness of Hungarian ostrich husbandry and hatching technology. The investigations were carried out on an ostrich breeder farm in Eastern Hungary. For the analyses, the Tona et al. (2003) scoring system was applied presenting eight main criteria (activity, feather, condition, eyesight, the condition of navel and leg, the amount of the remaining shell membrane and egg content, and the size and tenderness of the abdomen). Most chicks (98.08%) were vigilant and had clean and dry feathers. There was no difference between the average hatching weights between May and August but a decreasing tendency was shown during the laying season. The vitality total score was above 90 in each evaluated month and was not affected by the hatching month. Our results revealed that the vitality of chicks was not affected by either the hatching month (P=0.51) or the weight category (P=0.11). Neither the hatching weight of chicks and leg condition were correlated (P=0.79). Results showed that the Tona scoring system with small modifications can be well applied to ostrich chicks. Practical on-farm usage of the system can be suggested as an aid in day-old chick evaluation. After individual marking of chicks, the investigation of growth and culling rate could be carried out for more precise conclusions, involving more farms and laying seasons.
鸵鸟雏鸟活力检测有助于提高匈牙利鸵鸟饲养和孵化技术的有效性。调查是在匈牙利东部的一个鸵鸟饲养场进行的。为了进行分析,采用了Tona等人(2003)的评分系统,提出了八个主要标准(活动、羽毛、状况、视力、肚脐和腿的状况、剩余壳膜的数量和卵含量,以及腹部的大小和压痛)。大多数雏鸡(98.08%)保持警惕,羽毛干净干燥。5月和8月的平均孵化重无显著差异,但在产卵季节有下降趋势。每个评估月的活力总分均在90分以上,不受孵化月份的影响。结果表明,雏鸡的活力不受孵化月份(P=0.51)和体重类别(P=0.11)的影响。雏鸡出壳重与腿部状况均不相关(P=0.79)。结果表明,对Tona评分系统稍加修改,可以很好地应用于鸵鸟雏鸟。该系统可作为日龄雏鸡评价的辅助工具,在养殖场实际应用。在对雏鸡进行个体标记后,可以进行生长和扑杀率的调查,得出更精确的结论,涉及更多的养殖场和产蛋季节。
{"title":"The analysis of ostrich chick vitality","authors":"Dóra Lili Brassó, Renáta Knop, Z. Várszegi, István Komlósi","doi":"10.34101/actaagrar/2/13315","DOIUrl":"https://doi.org/10.34101/actaagrar/2/13315","url":null,"abstract":"Examinations on ostrich chick vitality can help to improve the effectiveness of Hungarian ostrich husbandry and hatching technology. The investigations were carried out on an ostrich breeder farm in Eastern Hungary. For the analyses, the Tona et al. (2003) scoring system was applied presenting eight main criteria (activity, feather, condition, eyesight, the condition of navel and leg, the amount of the remaining shell membrane and egg content, and the size and tenderness of the abdomen). Most chicks (98.08%) were vigilant and had clean and dry feathers. There was no difference between the average hatching weights between May and August but a decreasing tendency was shown during the laying season. The vitality total score was above 90 in each evaluated month and was not affected by the hatching month. Our results revealed that the vitality of chicks was not affected by either the hatching month (P=0.51) or the weight category (P=0.11). Neither the hatching weight of chicks and leg condition were correlated (P=0.79). Results showed that the Tona scoring system with small modifications can be well applied to ostrich chicks. Practical on-farm usage of the system can be suggested as an aid in day-old chick evaluation. After individual marking of chicks, the investigation of growth and culling rate could be carried out for more precise conclusions, involving more farms and laying seasons.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":" 82","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138620281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of temperature and variety on seed germination of soybean (Glycine max L. Merr) at different germination times 不同发芽时间温度和品种对大豆(Glycine max L. Merr)种子发芽的影响
Pub Date : 2023-12-01 DOI: 10.34101/actaagrar/2/13171
R. Abd Ghani, M. Jolánkai, S. Omar, N. Khalid, Á. Tarnawa
Seed germination is an important stage in crop development that affects plant performance, crop yield, and quality. Many factors influence seed germination, and one of the most important factors is temperature. The closer the temperature is to the optimum, the faster germination will occur. Temperature affects seed germination in various plants and varies depending on the variety. Therefore, the effect of temperature on seed germination is necessary to investigate, also for soybean varieties. Soybean is one of the world's most valuable oil-seed crops. Generally, proper seedling establishment and germination of soybean seeds are crucial processes in the survival and growth cycle of the crop. Thus, a study was done to investigate the influence of temperature and variety on soybean seed germination at different times after sowing. The experiment was carried out at the Institute of Agronomy, Hungarian University of Agriculture and Life Sciences (MATE), Crop Production Laboratory. Seeds of two soybean varieties were subjected to three different temperatures: 15, 25, and 35 °C, and two soybean varieties, Martina and Johanna were tested. There were four germination times based on the days after sowing: Days 3, 5, 7, and 9. This experiment was set up with a completely randomized block design and four replications. According to the findings of this study, the Martina variety showed a better germination rate as well as higher vigor and viability than the Johanna variety in the first 12 days after sowing. At temperatures of 15 °C and 25 °C, both varieties achieved comparable percentages of viability, but they were more vigorous at 25 °C due to better total seedling length. Thus, the information gained from this study will indirectly determine and confirm the proper temperature for the initial growth of the Martina and Johanna varieties.
种子萌发是作物发育的重要阶段,影响作物的生产性能、产量和品质。影响种子发芽的因素很多,其中温度是最重要的因素之一。温度越接近最佳温度,发芽就越快。温度影响各种植物的种子发芽,并因品种而异。因此,温度对种子萌发的影响是有必要研究的,对大豆品种也是如此。大豆是世界上最有价值的油籽作物之一。一般来说,大豆种子的正确立苗和发芽是作物生存和生长周期的关键过程。为此,研究了播种后不同时间温度和品种对大豆种子萌发的影响。该试验是在匈牙利农业与生命科学大学农学研究所作物生产实验室进行的。将两个大豆品种的种子置于15、25和35℃三种不同的温度下,并对Martina和Johanna两个大豆品种进行了测试。根据播种后的天数,有四个发芽时间:第3天、第5天、第7天和第9天。试验采用完全随机区组设计,共4个重复。本研究结果表明,玛蒂娜品种在播种后12 d内的发芽率、活力和生存力均高于约翰娜品种。在15°C和25°C的温度下,两个品种的存活率相当,但在25°C的温度下,由于幼苗总长度较长,它们的活力更强。因此,从本研究中获得的信息将间接确定和确定玛蒂娜和约翰娜品种初始生长的适当温度。
{"title":"Influence of temperature and variety on seed germination of soybean (Glycine max L. Merr) at different germination times","authors":"R. Abd Ghani, M. Jolánkai, S. Omar, N. Khalid, Á. Tarnawa","doi":"10.34101/actaagrar/2/13171","DOIUrl":"https://doi.org/10.34101/actaagrar/2/13171","url":null,"abstract":"Seed germination is an important stage in crop development that affects plant performance, crop yield, and quality. Many factors influence seed germination, and one of the most important factors is temperature. The closer the temperature is to the optimum, the faster germination will occur. Temperature affects seed germination in various plants and varies depending on the variety. Therefore, the effect of temperature on seed germination is necessary to investigate, also for soybean varieties. Soybean is one of the world's most valuable oil-seed crops. Generally, proper seedling establishment and germination of soybean seeds are crucial processes in the survival and growth cycle of the crop. Thus, a study was done to investigate the influence of temperature and variety on soybean seed germination at different times after sowing. The experiment was carried out at the Institute of Agronomy, Hungarian University of Agriculture and Life Sciences (MATE), Crop Production Laboratory. Seeds of two soybean varieties were subjected to three different temperatures: 15, 25, and 35 °C, and two soybean varieties, Martina and Johanna were tested. There were four germination times based on the days after sowing: Days 3, 5, 7, and 9. This experiment was set up with a completely randomized block design and four replications. According to the findings of this study, the Martina variety showed a better germination rate as well as higher vigor and viability than the Johanna variety in the first 12 days after sowing. At temperatures of 15 °C and 25 °C, both varieties achieved comparable percentages of viability, but they were more vigorous at 25 °C due to better total seedling length. Thus, the information gained from this study will indirectly determine and confirm the proper temperature for the initial growth of the Martina and Johanna varieties.","PeriodicalId":7365,"journal":{"name":"Acta Agraria Debreceniensis","volume":"87 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138623406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Acta Agraria Debreceniensis
全部 Acc. Chem. Res. ACS Applied Bio Materials ACS Appl. Electron. Mater. ACS Appl. Energy Mater. ACS Appl. Mater. Interfaces ACS Appl. Nano Mater. ACS Appl. Polym. Mater. ACS BIOMATER-SCI ENG ACS Catal. ACS Cent. Sci. ACS Chem. Biol. ACS Chemical Health & Safety ACS Chem. Neurosci. ACS Comb. Sci. ACS Earth Space Chem. ACS Energy Lett. ACS Infect. Dis. ACS Macro Lett. ACS Mater. Lett. ACS Med. Chem. Lett. ACS Nano ACS Omega ACS Photonics ACS Sens. ACS Sustainable Chem. Eng. ACS Synth. Biol. Anal. Chem. BIOCHEMISTRY-US Bioconjugate Chem. BIOMACROMOLECULES Chem. Res. Toxicol. Chem. Rev. Chem. Mater. CRYST GROWTH DES ENERG FUEL Environ. Sci. Technol. Environ. Sci. Technol. Lett. Eur. J. Inorg. Chem. IND ENG CHEM RES Inorg. Chem. J. Agric. Food. Chem. J. Chem. Eng. Data J. Chem. Educ. J. Chem. Inf. Model. J. Chem. Theory Comput. J. Med. Chem. J. Nat. Prod. J PROTEOME RES J. Am. Chem. Soc. LANGMUIR MACROMOLECULES Mol. Pharmaceutics Nano Lett. Org. Lett. ORG PROCESS RES DEV ORGANOMETALLICS J. Org. Chem. J. Phys. Chem. J. Phys. Chem. A J. Phys. Chem. B J. Phys. Chem. C J. Phys. Chem. Lett. Analyst Anal. Methods Biomater. Sci. Catal. Sci. Technol. Chem. Commun. Chem. Soc. Rev. CHEM EDUC RES PRACT CRYSTENGCOMM Dalton Trans. Energy Environ. Sci. ENVIRON SCI-NANO ENVIRON SCI-PROC IMP ENVIRON SCI-WAT RES Faraday Discuss. Food Funct. Green Chem. Inorg. Chem. Front. Integr. Biol. J. Anal. At. Spectrom. J. Mater. Chem. A J. Mater. Chem. B J. Mater. Chem. C Lab Chip Mater. Chem. Front. Mater. Horiz. MEDCHEMCOMM Metallomics Mol. Biosyst. Mol. Syst. Des. Eng. Nanoscale Nanoscale Horiz. Nat. Prod. Rep. New J. Chem. Org. Biomol. Chem. Org. Chem. Front. PHOTOCH PHOTOBIO SCI PCCP Polym. Chem.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1