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Characterization of Lecanicillium psalliotae and Akanthomyces muscarium from Sunn pests (Eurygaster spp.) 太阳害虫中蜡蜡菌和赤色菌的鉴定
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.3.3556
E. Gül, F. Demirci, N. Babaroglu
Sunn pests, which can cause significant yield losses on wheat and barley, are one of the pests whose population levels should be followed. Overwintering areas, which have an important place in the biology of the insect, provide an advantage in the development of biological or integrated control with entomopathogenic fungi. Entomopathogenic fungi are one of the most important control agents in reducing the population in overwintering areas. In this study, one Lecanicillium psalliotae (KK8) isolate and one Akanthomyces muscarium (DIKA11/1) isolate were identified according to morphologic and molecular data. Pathogenicity test was carried out with DIKA11/1 A. muscarium isolate. Adult insects were inoculated with a 1×10 7 conidia/ml suspension. With this current study, A. muscarium was reported for the first time on sunn pests with 87.7% mortality rate. The L. psalliotae species, which is a pathogen on other insects and sunn pests, was isolated from the sunn pests and identified from Turkey. It is thought that DIKA11/1 A. muscarium isolate can be used in the biological control of this insect and commercial formulation development studies.
可对小麦和大麦造成重大产量损失的日光害虫是应遵循种群水平的害虫之一。越冬区在昆虫生物学中占有重要地位,为昆虫病原真菌生物或综合防治的发展提供了有利条件。昆虫病原真菌是减少越冬地区昆虫数量的重要防治手段之一。本研究根据形态和分子资料鉴定了一株蜡质Lecanicillium psalliotae (KK8)和一株Akanthomyces muscarium (DIKA11/1)。用DIKA11/1分离株进行致病性试验。以1×10 7个分生孢子/ml混悬液接种成虫。本研究首次报道了蝇类对日光害虫的危害,死亡率为87.7%。从土耳其的日光害虫中分离鉴定出一种对其他昆虫和日光害虫具有致病菌作用的L. psalliotae。认为DIKA11/1分离物可用于该昆虫的生物防治和商业制剂开发研究。
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引用次数: 0
Weeds in sunflower production in Croatia and their control 克罗地亚向日葵生产中的杂草及其控制
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.4.3637
Anto Mijić, T. Duvnjak, I. Liović, A. Sudarić, K. Barić, Daniel Jug, Antonela Markulj Kulundžić
Sunflower is the most important oil crop in the Republic of Croatia. In the last two decades, it has been grown on average on 33,506 ha with a average grain yield of 2.66 t/ha. Weeds represent one of the most important causes of biotic stress, and their action is reflected in the competition for nutrients, water, light and space. The weed flora in sunflower crops in Croatia is extremely diverse, and we will most often meet: Polygonum persicaria L., Polygonum lapathifolium L., Ambrosia artemisiifolia L., Chenopodium polyspermum L., Amaranthus retroflexus L., Solanum nigrum L. emend Miller, Abutilon theophrasti Medik, Datura stramonium L., Xanthium strumarium L., Convolvulus arvensis L., Cirsium arvense (L.) Scop., Echinochloa crus-galli (L.) Pb., Setaria glauca (L.) Pb., Setaria viridis (L.) Pb., Digitaria sanguinalis (L.) Scop., Panicum spp. and Sorghum halepense (L.) Pers. For many years, weed control was based on the intensive use of chemical preparations, which were most often used after sowing and before emergence, in double or triple combinations. In addition to a number of advantages of using chemicals in sunflower production, the problem of broadleaf weeds was not satisfactorily solved until the advent of Clearfield, Clearfield plus and Express sun technology, i.e
向日葵是克罗地亚共和国最重要的油料作物。近二十年来,平均种植面积33506公顷,平均粮食产量2.66吨/公顷。杂草是生物压力的最重要原因之一,它们的作用反映在对养分、水、光和空间的竞争中。克罗地亚向日葵作物中的杂草植物区系非常多样化,我们最常遇到的是:桃金娘、紫蓼、蒿花、多精藜、逆行苋、茄花、苘麻、曼陀罗、曼陀罗、苍耳草、卷叶草。吟游诗人。,刺青藻(L.)Pb。狗尾草(Setaria glauca)Pb。、狗尾草(Setaria viridis)Pb。马地黄(L.)吟游诗人。, Panicum sp .和高粱(L.)珀耳斯。多年来,杂草控制是建立在大量使用化学制剂的基础上的,这些制剂最常在播种后和出苗前双重或三重组合使用。除了在向日葵生产中使用化学品的许多优点外,直到Clearfield, Clearfield plus和Express sun技术的出现才令人满意地解决了阔叶杂草的问题
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引用次数: 0
Effect of ejaculation frequency on ram semen characteristics, seminal plasma composition and chilled sperm quality 射精频率对公羊精液特性、精浆成分及冷冻精子质量的影响
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.4.3592
A. Ben Moula, A. Badi, N. Hamidallah, L. Allai, Kaoutar El Khalil, Moussa El Fadili, Z. Moussafir, B. El Amiri
The aim of this study was to see how chilled sperm quality is affected by ejaculation frequency and its correlation to seminal plasma composition in INRA 180 rams. Five rams were collected at high (HFE) and low frequencies (LFE). For the high frequency, the rams were collected three times on the same day every three days for 18 days. In the low frequency collection, three consecutive ejaculates were collected once a week for four weeks. Ejaculates were collected at 20-minute intervals in either HFE or LFE. Semen characteristics, concentration of total protein, lipid, cholesterol and fructose in seminal plasma were assessed. Semen samples were extended in skim milk-based extender at 15 °C, then evaluated at different storage times (0, 8, and 24 h). Fresh sperm quality parameters, seminal plasma composition, and stored sperm quality were shown to be higher in LFE than in HFE and in the first and second ejaculates than in the third one. After 24 h of storage, sperm quality was correlated to seminal plasma components. In conclusion, the frequency of ejaculation has an effect on the fresh and stored semen quality as well as on seminal plasma composition in INRA 180 rams.
本研究的目的是观察INRA 180公羊射精频率对冷冻精子质量的影响,以及射精频率与精浆成分的关系。在高频(HFE)和低频(LFE)各取5只公羊。高频率组,每3天同一天采集3次,共18天。在低频率收集中,连续收集三次射精,每周一次,持续四周。在HFE或LFE中每隔20分钟收集射精。测定精液特征、精浆中总蛋白、脂质、胆固醇和果糖的浓度。在15°C下,将精液样本在脱脂乳基填充剂中延长,然后在不同的储存时间(0、8和24小时)下进行评估。结果显示,LFE中新鲜精子质量参数、精浆成分和储存精子质量高于HFE,第一次和第二次射精高于第三次射精。储存24 h后,精子质量与精浆成分相关。由此可见,射精频率对INRA 180公羊的新鲜、贮存精液质量及精浆成分均有影响。
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引用次数: 0
Mass swarm of a grass fly in Keszthely, Hungary 匈牙利Keszthely,一群草蝇
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.4.3644
Marczali Ferenc
This study aimed to identify the small flies which occurred in disturbingly high numbers covering the upper floors' windows of the Georgikon Campus of the Hungarian University of Agriculture and Life Sciences in the early fall of 2021. During the on-site visit, numerous specimens were collected for later identification. As a result of the species determinations, Thaumatomyia notata (Meigen, 1830) was identified. According to the employees, the mass autumn appearance of flies in that high building has been repeatedly seen over the past decades. Thaumatomyia notata is, in fact, a valuable species, of which larvae are primarily found in the soil as a predator of Pemphigus spp. root aphids
这项研究旨在识别2021年初秋出现在匈牙利农业和生命科学大学乔治康校区高层窗户上的小苍蝇,数量之多令人不安。在现场考察期间,收集了大量标本供后期鉴定。作为物种测定的结果,鉴定出了taumatomyia notata (Meigen, 1830)。据员工们说,在过去的几十年里,在那幢高楼里,大量的苍蝇在秋天出现。事实上,牛皮蚜是一种有价值的物种,其幼虫主要作为天疱疮根蚜虫的捕食者在土壤中发现
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引用次数: 0
Hematological profiles of new-born piglets and sows fed with diet containing grape pomace 用含葡萄渣日粮喂养新生仔猪和母猪的血液学特征
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.2.3436
Eva Mixtajová, B. Gálik, D. Biro, M. Juráček, M. Šimko, O. Hanušovský, Renata Kollathova, M. Rolinec
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引用次数: 1
Income risk and income stabilization tool in Croatian horticulture 克罗地亚园艺业的收入风险和收入稳定工具
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.2.3465
T. Čop, M. Njavro
Due to the lack of reliable longitudinal data, farm income and income trends haven’t been much analysed in Croatia, specifically among horticultural producers. Based on Croatian Farm Accountancy Data Network (FADN), the goal of this paper is to research the income of all farms in comparison to horticultural farms. In addition, paper tests farm’s eligibility for Income Stabilization Tool (IST) compensation. Objectives of the paper are: (1) analysis of farm income in the period 2014-2017 for all farms and specifically for horticultural farms, and (2) analyse how many horticultural farms have potential for IST compensation. For the second objective, we prepared scenarios of annual income drop of 10%, 20%, and 30% of the three-year average income. Scenarios are shown for groups wine, orchard, and olive farms (calculated group index) and for individual farms (calculated farm index). Results show that horticultural farms’ income is on the similar level to the data for all the farms in FADN. The group index calculation compared to farm index income calculation shows a higher number of farms eligible for IST. The paper might serve as a basis for the introduction of IST in Croatian agriculture.
由于缺乏可靠的纵向数据,克罗地亚没有对农业收入和收入趋势进行太多分析,特别是在园艺生产者中。基于克罗地亚农场会计数据网络(FADN),本文的目标是研究所有农场的收入与园艺农场的比较。此外,论文还测试了农场获得收入稳定工具(IST)补偿的资格。本文的目的是:(1)分析2014-2017年期间所有农场(特别是园艺农场)的农场收入,以及(2)分析有多少园艺农场有获得IST补偿的潜力。对于第二个目标,我们准备了年收入下降10%,20%和30%的三年平均收入情景。图中显示了葡萄酒、果园和橄榄农场组(计算组指数)和单个农场(计算农场指数)的场景。结果表明,园艺农场的收入与FADN所有农场的数据处于相似水平。与农场指数收入计算相比,群体指数计算显示,符合IST条件的农场数量更多。本文可作为克罗地亚农业引进技术创新的基础。
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引用次数: 0
Decomposition and nitrogen mineralisation of two wild lupins (Leguminosae) species with potential as green manures 两种具有绿色肥料潜力的野生羽扇豆(豆科)的分解和氮矿化
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.2.3439
Juan Zamora Natera, P. G. García López, Carlos Aguilar Jiménez, Franklin B Martínez Aguilar, Héctor Vázquez Solís, Isidro Zapata Hernández
The amount of biomass produced by various native species of genus Lupinus (L.) growing in Mexico ranges from 2.9-8.2 Mg/ha of dry matter, which can add up to 200 kg/ha of N to soil as green manure. However, information is scarce on the decomposition and mineralisation this biomass in the soil. The above-ground decomposition and N mineralisation of Lupinus mexicanus Cerv. ex Lag. and Lupinus rotundiflorus M.E. Jones species from Mexico using fine-mesh litter bags was evaluated. Litter bags containing 5 g of above-ground air-dried biomass at the vegetative and flowering stages were buried at a depth of 20 cm. Were dug up every 3 weeks over the course of 4 months, dried and re-weighed to determine the lost mass and total N by the Kjeldahl method. The largest decrease in residue mass occurred during the first 3 weeks of incubation. However, the lost mass was higher in younger green manure (75 days old) than in older plants (85 days old) after 18 weeks of exposure in the field. It was found that 60-75% of the total N in the plant material was released in the first 6 weeks. In L. rotundiflorus green manure, it was found that 79.14% of the initial N in the vegetative stage and 77.6% of N in the flowering stage was released 18 weeks after litter bag installation, whereas L. mexicanus were 74.6% and 74.7%, respectively. It was found that both decomposition and N mineralisation occurred quickly in the green
生长在墨西哥的Lupinus (L.)属的各种本地物种产生的生物量为2.9-8.2 Mg/ha,这可以作为绿肥向土壤添加高达200 kg/ha的N。然而,关于这种生物质在土壤中的分解和矿化的信息很少。墨西哥Lupinus mexicanus Cerv.的地上分解与氮矿化。交货延迟。采用细孔垃圾袋对墨西哥圆花狼蜱进行评价。在生长和开花阶段,将含有5 g地上风干生物量的凋落物袋埋在20 cm深的地方。在4个月的时间里,每3周挖一次,干燥并重新称重,用凯氏定氮法测定损失的质量和总氮。在孵育的前3周,残留质量下降幅度最大。然而,在田间暴露18周后,较年轻的绿肥(75天)的质量损失高于较老的绿肥(85天)。结果表明,植株材料中总氮的60-75%在前6周释放。在圆花L.绿肥中,放置凋落物袋18周后,营养期和开花期氮素的释放量分别为79.14%和77.6%,而墨西哥L.绿肥的释放量分别为74.6%和74.7%。研究发现,在绿色中分解和N矿化都发生得很快
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引用次数: 0
Populations of entomopathogenic nematodes in agricultural lands 农用地昆虫病原线虫种群
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.3.3442
A. Vafa, A. Saeedizadeh
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引用次数: 0
Plant growth promoting bacteria enhances photosynthesis, nodulation and root system architecture in lentil under lead toxicity 植物生长促进菌对铅中毒小扁豆光合作用、结瘤和根系结构的影响
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.3.3577
M. Erman, F. Çığ, F. Ceritoglu, M. Ceritoglu
The usage of plant growth-promoting bacteria (PGPB) in mitigation of harmful effects of lead (Pb) toxicity in plants and bioremediation of it from soils is a sustainable, effective and low-cost strategy. The experiment was laid out to investigate the role of PGPB on morphological and physiological growth, root system architecture and nodulation of lentil under Pb stress. The experiment was conducted according to completely randomized factorial design with four replications at the laboratory of the Field Crops Department, Siirt University, Siirt in 2022. The four Pb levels and three bacterial inoculations were used in the experiment. Plant height, seedling fresh weight, root fresh weight, seedling dry weight, root dry weight, total chlorophyll content, taproot length, number of lateral roots, total root length and number of nodule varied between 15.7-25.9 cm, 0.123-0.235 g, 0.019-0.092 g, 0.0104-0.0326 g, 0.0076-0.0146 g, 27.9-47.2%, 8.9-19.2 cm, 4.00-14.67, 17.6-44.8 cm and 1.37-10.63, respectively. Bio-priming with PGPB containing 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase activity increased dry matter accumulation up to 56.1% and 22.9% in shoots and roots, respectively. Chlorophyll content enhanced up to 17.9% compared with control application. Besides, root system architecture and nodule formation were improved by bio-priming both under stress and non-stress conditions. Bio-priming with PGPB may be a sustainable solution to mitigate
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引用次数: 2
Metabolisable energy of dried Sea buckthorn (Hippophaes rhamnoides) berries for broiler chickens 干沙棘浆果对肉鸡代谢能的影响
IF 0.7 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE Pub Date : 2022-01-01 DOI: 10.5513/jcea01/23.3.3589
V. Pirgozliev, S. Mansbridge, I. Whiting, J. Abdulla, S. Rose, Teodora Mihova
The aim of the experiment was to assess the content of N-corrected apparent metabolisable energy (AMEn) in dried Sea buckthorn berries (SB) when fed to Ross 308 broiler chickens. Two experimental diets (basal and basal + 12 g/kg dried and milled SB berries) were fed to an equal number of replicated pens (n=8; two birds in each) from 7 to 21d age, following randomisation. The basal diet was formulated to meet breeder’s recommendations. The inclusion of dried SB berries at 12 g/kg diet, did not significantly ( P >0.05) affect broiler chicken growth performance, dietary nutrient availability or AMEn. Using the substitution method, it was found that the AMEn of the dried SB berries was 14.29 MJ/ kg DM. Although relatively high in AMEn, the absence of starch in SB berries, suggests SB berries are not a suitable substitute for cereals in poultry diets, but further research on their health benefits as a minor supplement for poultry diets is warranted.
本试验旨在评价罗斯308肉鸡饲喂沙棘干莓(SB)时氮校正表观代谢能(AMEn)的含量。饲喂2种试验饲粮,分别为基础饲粮和基础饲粮+ 12 g/kg干枸杞和磨粉枸杞,饲喂相同数量的重复栏(n=8;每组2只,年龄从7岁到21岁。基础日粮的配制符合育种者的建议。12 g/kg饲粮中添加干SB浆果对肉鸡生长性能、饲粮营养物质利用率和AMEn均无显著影响(P < 0.05)。采用替代法,发现干枸杞的AMEn为14.29 MJ/ kg DM,虽然AMEn相对较高,但由于枸杞中淀粉含量的缺失,表明枸杞不适合作为家禽日粮中谷物的替代品,但其作为家禽日粮中少量补充物的健康益处有待进一步研究。
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引用次数: 2
期刊
Journal of Central European Agriculture
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