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Predicting Auger Energy Consumption for Olive Orchards Using the Artificial Neural Networks 利用人工神经网络预测橄榄园螺旋钻能耗
Q4 Agricultural and Biological Sciences Pub Date : 2023-06-27 DOI: 10.37077/25200860.2023.36.1.09
O. M. Tofeq, Y. Hilal, Husain A. Hamood
The present work aims to study the development and application of Radial Basis Function (RBF) networks for predicting auger energy consumption based on input energy. The study utilized RBF networks and explored the input energy with treatments 2 (Soil moisture content), 2 (Rotary speeds), 2 (Hole depths) and 4 (Replication) based on field operations. As indicated by the results, energy input differed between the treatments but was not significant. The highest input value in transaction soil moisture content was 14.75 %, rotary speeds of 235 rpm, and hole depths of 40 cm. In comparison, the lower input energy at transaction soil moisture content was 7.9%, rotary speeds of 235 rpm, and hole depths of 20 cm. Input energy in treatment (14.75 %, 235 rpm, and 40 cm) and treatment (7.9 %,235 rpm, and 20 cm) were 100.204 and 57.135 MJ. ha-1, respectively. The highest input energy shares were recorded for diesel fuel at all treatments. Furthermore, the RBF network with one hidden layer had good convergence. The output results showed 10 and five hidden neurons in a hidden layer with high accuracy for treatment (14.75 %, 235 rpm, and 40 cm) and treatment (7.9%, 235 rpm, and 20 cm). In the treatment (14.75 %, 235 rpm, and 40 cm), the MSE for the training and testing sets was 0.0001 % and 0.01 % for data points with Ordinary RBF (ORBF type). The performance of the 3-10-1 architecture was better than other architectures. Finally, this research concluded that the RBF network method can forecast the input energy and energy expenditures related to the types of treatments.
本工作旨在研究基于输入能量预测螺旋钻能耗的径向基函数(RBF)网络的发展和应用。该研究利用RBF网络,并根据现场操作,探索了处理2(土壤含水量)、2(旋转速度)、2(孔深)和4(复制)的输入能量。结果表明,能量输入在不同处理之间存在差异,但不显著。土壤含水量最高输入值为14.75%,转速为235转/分,孔深为40 cm。当土壤含水量为7.9%、转速为235 rpm、孔深为20 cm时,输入能量较低。处理组(14.75%,235 rpm, 40 cm)和处理组(7.9%,235 rpm, 20 cm)的输入能量分别为100.204和57.135 MJ。分别是。在所有处理中,柴油燃料的输入能量份额最高。此外,单隐层RBF网络具有较好的收敛性。输出结果显示,在处理(14.75%,235 rpm, 40 cm)和处理(7.9%,235 rpm, 20 cm)时,隐藏层中有10个和5个隐藏神经元,准确率较高。在处理(14.75%,235 rpm和40 cm)时,对于普通RBF (ORBF型)数据点,训练集和测试集的MSE分别为0.0001%和0.01%。3-10-1架构的性能优于其他架构。最后,本研究得出RBF网络方法可以预测与处理类型相关的投入能量和能量支出。
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引用次数: 0
Impact of Salicylic and Jasmonic Acid in Mitigating Salinity Stress on Date Palm Phoenix dactylifera L. Barhi Cv. 水杨酸和茉莉酸对枣椰树、凤凰树减轻盐胁迫的影响。
Q4 Agricultural and Biological Sciences Pub Date : 2023-06-27 DOI: 10.37077/25200860.2023.36.1.10
Aqeel A. Suhim, K. Awad, Osama N. Jaffer, M. Abass
Date palm is one of the most important trees for economic and social development in many countries and its fruits with high nutritional value. This aimed to determine the role of salicylic (SA) and jasmonic acids (JA) as antioxidants against salt stress. Salt stress was applied with water irrigation to two-year-old date palm offshoots by using 200 mM NaCl alone or in combination with foliar sprays of JA and SA at 1, 2 and 3 mgL-1. Results indicate that salinity at 200 mM NaCl remarkably increased the content of osmolytes (e.g., proline, glycine betaine and soluble sugars) in date palm leaves. Moreover, with the combination of 2 and 3 mg.L-1 SA and 1 mg.L-1 JA with salinity, the osmolyte content was remarkably higher than in salinity treatment alone. When date palm was exposed to salinity alone, the levels of oxidative markers, Malondialdehyde as a lipid peroxidation marker and H2O2 as a ROS accumulation marker, substantially increased compared with the control. Importantly, the levels of these oxidative markers remarkably decreased when plants were subjected to combined salinity and treatment with at 2 and 3 mg.L-1 SA and 3 mg.L-1 SA compared with the salinity treatment alone. In addition, spraying 2 and 3 mg.L-1 SA and 3 mg.L-1 JA on leaves combined with salinity treatment remarkably decreased the salinity effect on membrane stability index. Moreover, when 2 or 3 mg.L-1 were sprayed, no remarkable difference was detected for any investigated characteristics, and SA had a greater effect than JA in alleviating the salinity effect.
枣椰树是许多国家经济社会发展的重要树种之一,枣椰树果实具有很高的营养价值。本文旨在确定水杨酸(SA)和茉莉酸(JA)作为抗盐胁迫的抗氧化剂的作用。采用200 mM NaCl单独或联合喷施1、2和3 mg -1的JA和SA对2年生枣椰树枝条进行水灌盐胁迫。结果表明,200 mM NaCl盐度显著提高了枣椰树叶片中脯氨酸、甘氨酸、甜菜碱和可溶性糖等渗透物的含量。此外,2毫克和3毫克的组合。l - 1sa和1mg。L-1 JA加盐处理后,渗透物含量显著高于单独加盐处理。当枣椰树单独暴露于盐度时,与对照相比,氧化标志物丙二醛(作为脂质过氧化标志物)和H2O2(作为ROS积累标志物)的水平显著增加。重要的是,当植物受到2和3毫克盐和盐的联合处理时,这些氧化标记物的水平显著降低。l - 1sa和3mg。L-1 SA与单独盐度处理比较。另外,喷2、3毫克。l - 1sa和3mg。叶片L-1 JA配盐处理显著降低了盐分对膜稳定性指数的影响。此外,当2或3毫克。喷L-1后,各指标均无显著差异,且SA在缓解盐碱效应方面的效果大于JA。
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引用次数: 0
Response of Broccoli to Mulching and Foliar Application of Licorice Root Extract and their Effects on Yield and Macronutrient Contents 覆盖和叶面施甘草根提取物对西兰花产量和常量营养素含量的影响
Q4 Agricultural and Biological Sciences Pub Date : 2023-06-26 DOI: 10.37077/25200860.2023.36.1.06
Kurdistan H. Yousif, Abdul Jebbar I. Saeid
The research was done in the vegetables research farm at the College of Agricultural Engineering Sciences at University of Dohuk, Kurdistan region of Iraq, during the growing season in (2021-2022). The reason behind the study was to investigate the response of two cultivars of Broccoli (Brassica oleracea var. italica.) Ajjasi and Wisdom cv. to different types of mulching (without, black plastic and straw) and also the different concentrations levels of licorice root extract (0, 6, 12 and18g.L-1) on productivity and some nutrients content of Broccoli curd. The results showed that Wisdom cultivar performed better than Ajjassi in terms of early yield and nutrients content. Throughout the research season, both cultivars were considerably improved in all examined attributes. Additionally, it was shown that all features in both cultivars were noticeably enhanced in plastic mulch. There was an observed increase in the majority of features of the interactions between licorice root extract and straw. Early yield in Wisdom cultivar was meaningfully different from Ajjasi (27.814 and 24.138) ton. ha-1 respectively. Most of the measurements were greatly influenced by black plastic mulch, while the best overall outcome was achieved in black plastic mulch and 18g.L-1 concentration of licorice root extract in Ajjassi cultivar. In both cultivars, there were noticeable changes in the nutrient’s contents of (Nitrogen, phosphorus, potassium %). In general, the combination among treatments was significantly enhanced in the all studied traits.
该研究于2021-2022年的生长季节在伊拉克库尔德斯坦地区杜胡克大学农业工程科学学院的蔬菜研究农场进行。这项研究背后的原因是调查两种西兰花品种(芸苔甘蓝变种。意大利)的反应。Ajjasi和Wisdom简历。不同覆盖类型(无覆盖、黑塑料和秸秆)以及不同浓度的甘草根提取物(0、6、12和18g. l -1)对西兰花凝乳的生产力和某些营养成分含量的影响。结果表明,智慧品种在早期产量和养分含量方面均优于阿佳斯品种。在整个研究季节,两个品种在所有检测属性上都有显著改善。此外,在地膜覆盖下,两个品种的各项性状均有显著提高。甘草根提取物与秸秆相互作用的大部分特征均有显著增加。智慧品种的早期产量与阿佳斯品种(27.814吨和24.138吨)有显著差异。分别是。黑色地膜覆盖对大多数测量结果影响很大,而黑色地膜覆盖和18g地膜覆盖的总体结果最好。甘草根提取物L-1浓度测定。在两个品种中,氮、磷、钾的养分含量都有明显的变化。总体而言,组合处理显著提高了所有性状。
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引用次数: 0
Effect of Marjoram Origanum majorana L. Extract on Growth Performance and Some Haematological Parameters of Common Carp Cyprinus carpio L. 马郁兰提取物对鲤鱼生长性能及部分血液学参数的影响。
Q4 Agricultural and Biological Sciences Pub Date : 2023-06-26 DOI: 10.37077/25200860.2023.36.1.03
Asaa H. Kadhim, A. Yesser, K. Al-Niaeem
The current study examines the effects of different levels of marjoram Origanum majorana extract (0, 0.5, 1.0, and 1.5 %) on growth performance and haematological parameters in diets of common carp Cyprinus carpio. Four units of the Recirculating Aquaculture System (RAS) were used. Each unit had three plastic tanks (30×30×60 cm), representing four treatments with three replicates, each tank containing ten fish with an average weight of 16.31 + 0.02g - 16.48 + 0.10.  Fingerlings were fed at a rate of 3% of the total fish weight. All diets contained an average of 33.89 ± 0.067 % crude protein and about 20.32±0.16 (kJ/g) of gross energy. Fish are fed twice daily, six days a week. The study lasted eight weeks (56 days) during November and December 2021. According to our findings, a group of fish fed 1.5% marjoram extract had the highest rate of final body weight, daily weight increase, relative growth rate, specific growth rate, food conversion ratio, and feed conversion efficiency. The 1.5 % marjoram extract treatment had the highest rate of total protein +5.68 0.84 g/dl, albumin +4.48 0.48 g/dl, globulin +1.17 0.54 g/dl and 3.82 + 0.51% albumin/ globulin. Based on the results, it can be concluded that the use of 1.5 % O. majorana extract was best for growth, and blood profile. The results suggest that the inclusion of O. majorana can improve the nutrient efficiency, growth performance, and haematological parameter of C. carpio fingerlings without negative effects on the fish.
本研究考察了不同水平的马郁兰提取物(0、0.5、1.0和1.5%)对鲤鱼生长性能和血液学参数的影响。使用了循环水养殖系统(RAS)的四个单元。每个单元有3个塑料槽(30×30×60 cm),代表4个处理,3个重复,每个槽10条鱼,平均体重为16.31 + 0.02g - 16.48 + 0.10。鱼种按鱼总重的3%投喂。饲粮粗蛋白质平均含量为33.89±0.067%,总能平均含量约为20.32±0.16 kJ/g。鱼每天喂两次,一周喂六天。该研究于2021年11月至12月持续了8周(56天)。结果表明,饲喂1.5%马郁兰提取物组的最终体重率、日增重率、相对生长率、特定生长率、食物转化率和饲料转化效率最高。1.5%马角兰提取物处理的总蛋白+5.68 0.84 g/dl、白蛋白+4.48 0.48 g/dl、球蛋白+1.17 0.54 g/dl和白蛋白/球蛋白3.82 + 0.51%的比率最高。综上所述,以1.5%的大叶黄花提取物对大叶黄花的生长和血谱影响最大。结果表明,添加黄颡鱼可提高鲤鱼鱼种的营养效率、生长性能和血液学参数,对鱼体无不良影响。
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引用次数: 0
Phenotypic Correlation and Path Coefficient and Relative Importance Studies in Okra Abelmoschus esculentus (L.) Moench. 秋葵表型相关、通径系数及相对重要性研究Moench。
Q4 Agricultural and Biological Sciences Pub Date : 2023-06-26 DOI: 10.37077/25200860.2023.36.1.05
Reham A. Nbeaa, Bassam Abo-Trabi, Ehab Ahmad
The experiment was undertaken to study correlation and path coefficient and relatively importance to yield and its components traits in Okra. The experimental material consisted of six generations (P1, P2, F1, F2, BC1 and BC2) through two crosses, which were evaluated in Completely Randomized Block Design (RCBD) with three replications at the Agriculture Scientific Center in Latakia during the summer of 2020. The result of phenotypic correlation revealed that yield per plant had positively significant correlation with fruit diameter (0.53), positively highly significant correlation with fruit weight (0.65), and negatively highly significant correlation with days for first flowering and days to 50% flowering (-0.56, -0.63), respectively in the first hybrid (Lathkani 6× Lathkani 10). In the second hybrid (Lathkani 7× Lathkani 9), yield per plant has exhibited positively and highly significant correlation with numbers of fruit per plant, numbers of flowers per plant, fruit length, fruit diameter and fruit weight (0.95, 0.96, 0.76, 0.65, 0.64), respectively. The high positively direct effect on yield per plant was contributed by fruit weight followed by days to 50% flowering in the first hybrid. Numbers of fruits per plant had desirably direct effect on yield per plant in the second hybrid. Hence, direct selection based on these traits would result in simultaneous improvement of previously mentioned traits and yield in Okra.
通过试验研究了秋葵产量及其组成性状的相关通径系数及其相对重要性。试验材料为6代(P1、P2、F1、F2、BC1和BC2)杂交材料,于2020年夏季在拉塔基亚农业科学中心采用完全随机区组设计(RCBD)进行3个重复评价。表型相关结果显示,1个杂交品种(拉氏6×拉氏10)单株产量与果径呈显著正相关(0.53),与果重呈显著正相关(0.65),与开花期和50%开花期呈显著负相关(-0.56,-0.63)。2个杂交品种(7× 9)单株产量与单株果数、单株花数、果长、果径、果重分别呈极显著正相关(0.95、0.96、0.76、0.65、0.64)。第一个杂交品种对单株产量的直接正向影响主要表现在果重,其次是开花天数到50%。单株果数对第二杂交种单株产量有很好的直接影响。因此,基于这些性状的直接选择将导致上述性状和秋葵产量同时提高。
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引用次数: 0
Role of Environmental Biotechnology in Remediation of Heavy Metals by Using Fungal-Microalgal Strains 环境生物技术在真菌-微藻修复重金属中的作用
Q4 Agricultural and Biological Sciences Pub Date : 2023-06-24 DOI: 10.37077/25200860.2023.36.1.02
M. Qader, Yahya A. Shekha
Bioremediation is a branch of biotechnology that employs the use of living organisms, like microalgae and fungi, in the removal of contaminants, pollutants, and toxins from soil, water, and other environments. The experiment was designed to evaluate the efficiency of microorganisms to remove heavy metals by using, two fungi (Aspegillus niger and Candida albicans) with two microalgae (Scenedesmus quadricauda and Tetradesmus nygaardi), in removing heavy metals from liquid media during study period (20 days). For this study, cadmium and lead were selected by different concentrations (5, 15, 35, and 50ppm) of such heavy metals. The results indicate that fungi and microalgae effectively removed a significant amount of heavy metals. With respect to Pb and Cd, the maximum removal of lead for all concentrations (5-50ppm) were, (94, 90, 86.28 and 81.6%) respectively, and maximum cadmium removal were (88, 86.66, 84.57 and 79%) recorded by consortium culture of Scenedesmus quadricauda and Tetradesmus nygaardi on day 20th of the experiment. Statistically there were significant difference (p≤0.05) between control and all treatments for both tested heavy metals.
生物修复是生物技术的一个分支,它利用生物有机体,如微藻和真菌,从土壤、水和其他环境中去除污染物、污染物和毒素。本试验旨在评价微生物在研究期间(20 d)利用两种真菌(黑曲霉和白色念珠菌)和两种微藻(四角角藻和尼伽尔角藻)对液体培养基中重金属的去除效果。在本研究中,镉和铅是根据这类重金属的不同浓度(5、15、35和50ppm)选择的。结果表明,真菌和微藻对重金属的去除效果显著。对于Pb和Cd,在5 ~ 50ppm各浓度下,铅的最大去除率分别为(94、90、86.28%和81.6%);在试验第20天,联合培养的四角田鼠(Scenedesmus quadricauda)和龙尾龙鼠(Tetradesmus nygaardi)镉的最大去除率分别为(88、86.66、84.57和79%)。对照组与各处理重金属含量差异均有统计学意义(p≤0.05)。
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引用次数: 0
Molecular Identification of Postharvest Moldy Core Pathogens on Apple and Application of Biocontrol Products of Essential Oils (EOs) and Trichoderma harzianum 苹果采后霉变核心病原菌的分子鉴定及精油和哈茨木霉生物防治产品的应用
Q4 Agricultural and Biological Sciences Pub Date : 2023-06-24 DOI: 10.37077/25200860.2023.36.1.01
Asmar A. Yousif, W. Hassan
This study aimed to identify prevalent pathogens of a caused moldy core of postharvest apple fruits and the efficiency of essential oils (EO) of clove (Syzygium aromaticum), eucalyptus (Eucalyptus globulus), sage (Salvia officinalis), and thyme (Thymus vulgaris), and Trichoderma harzianum filtrate to inhibit pathogens growth of Alternaria alternata, Botrytis cinerea, and Penicillium griseofulvum. The examined pathogens are recognized dependent on morphological and also molecular identification. In vivo, clove EO and T. harzianum filtrate were strongly restricted decay area on fruits with 82.36% and 81.69%, respectively when applied as direct inhibition. Growth of all examined pathogens was entirely stopped on fruits treated with both clove and thyme oils at 10%. The results also illustrated that T. harzianum filtrate and EOs exhibited considerable growth inhibition of B. cinerea and ranged between 86.53% and 100%. The lowest inhibitory potential of EOs 47.95% and 75.9% were observed with P. griseofulvum. T. harzianum filtrate was the most effective biocontrol that inhibited fruit decay by 64.5% followed by 45.9%, 38.6%, 37.5%, and 35.9% when utilized EOs of thyme, sage, eucalyptus, and clove, respectively. The growth of both pathogens A. alternata and B. cinerea depressed with up to 90% using T. harzianum filtrate followed by EOs of eucalyptus and thyme. Whereas fruits inoculated with P. griseofulvum were not frustrated when applied to each EOs or T. harzianum. Their systemic induction was restricted between 3.16% and 23.82%.
本研究旨在鉴定苹果果实采后发霉核心的流行病原菌,以及丁香(Syzygium aromaticum)、桉树(eucalyptus globulus)、鼠尾草(Salvia officinalis)、百里香(thyymus vulgaris)精油和哈茨木霉滤液对alternnaria alternata、Botrytis cinerea和griisofulvum病原菌生长的抑制作用。检查的病原体是识别依赖于形态和分子鉴定。在体内,丁香精油和哈茨兰滤液作为直接抑制剂,对果实的腐烂面积有较强的限制,分别为82.36%和81.69%。用10%的丁香和百里香油处理过的水果,所有被检测的病原体的生长都完全停止。结果还表明,哈兹兰滤液和EOs对灰绿杆菌的生长抑制作用在86.53% ~ 100%之间。灰黄假单胞菌的抑菌电位最低,分别为47.95%和75.9%。百里香、鼠尾草、桉树和丁香精油对果实腐烂的抑制效果分别为45.9%、38.6%、37.5%和35.9%,其中百里香、鼠尾草、桉树和丁香精油对果实腐烂的抑制效果最好。施用哈兹兰滤液后,桉树滤液和百里香滤液对病原菌A. alternata和B. cinerea的生长均有90%的抑制作用。而用灰灰假单胞菌接种的果实在分别施用于EOs或哈氏假单胞菌时均不受挫折。系统诱导率限制在3.16% ~ 23.82%之间。
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引用次数: 0
Effect of Adding Fulzyme plus and Spraying with Green Tea Extract on Vegetative Growth and Yield of Pepper cv. California Wonder 添加富尔酶和喷洒绿茶提取物对辣椒营养生长和产量的影响。加州的奇迹
Q4 Agricultural and Biological Sciences Pub Date : 2022-12-23 DOI: 10.37077/25200860.2022.35.2.23
I. J. Abdulrasool, Z. R. J. AL-Malikshah
A filed experiment was carried out at one of the private farms at Al-Suwaira District, Wasit Governorate during the spring season 2021, in order to evaluate the effect of adding Fulyzme plus (biofertilizer) and the foliar application of green tea extract (organic nutrient) on growth and yield of pepper plant cv. California wonder. A factorial experiment (43) was carried out using RCBD Design with three replicates. The Fulyzme plus treatment was applied with four concentrations (0, 10, 20. and 30 g. L-1). The foliar application of green tea extract was applied with three concentrations which were 0, 2 and 4 ml. L-1. Results revealed  significant effects of Fulyzme plus at 30 g. L-1 and the foliar application of green tea extract at the 4 ml. L-1 in plant height (89.62 cm), number of branches (9.44 branch. Plant-1), number of leaves (38.28 leaf. Plant-1), leaves area (40.79 dcm2. Plant-1), number of flowers (35.77 flower. Plant-1) and fruits set (62.45%), number of fruits (17.96 fruit. Plant-1), plant yield (4.16 kg. plant-1), productivity (137.93 t. ha-1) and Vitamin. C in fruits (34.74 ml.100g-1). Therefore adding bio-fertilizer and spraying with organic nutrient improved vegetative growth and increase yield of pepper plants.
2021年春季,在Wasit省Al-Suwaira地区的一个私人农场进行了田间试验,以评估添加Fulyzme plus(生物肥料)和叶面施用绿茶提取物(有机养分)对辣椒植株生长和产量的影响。加州的奇迹。采用RCBD设计进行因子试验(43),共3个重复。Fulyzme +治疗采用4种浓度(0、10、20。30g。l - 1)。绿茶提取物叶面施用浓度分别为0、2和4 ml. L-1。结果显示,30 g的富乐滋加药效果显著。L-1和叶面施用4 ml绿茶提取物对株高(89.62 cm)、枝数(9.44枝)的影响显著。植物-1),叶数(38.28叶)。植株-1),叶面积40.79 dcm2。植物-1),花数(35.77朵)。植株1株)和果实集(62.45%),果实数(17.96个)。植株-1),植株产量(4.16公斤)。植物-1),生产力(137.93 t. ha-1)和维生素。水果中的C (34.74 ml.100g-1)。因此,添加生物肥料和喷施有机肥可以促进辣椒植株的营养生长,提高产量。
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引用次数: 1
Effect of Foliar Application of Nano-selenium on the Anatomical Characteristics of Date Palm Phoenix dactylifera L. Barhi Cultivar under Salt Stress 盐胁迫下叶面施用纳米硒对枣椰树解剖特征的影响
Q4 Agricultural and Biological Sciences Pub Date : 2022-12-23 DOI: 10.37077/25200860.2022.35.2.24
A. Mahdi, A. M. Abd, K. Awad
This study investigated the effect of salinity on the anatomical features of date palm (Phoenix dactylifera L.) and the potential roles of nano selenium (Se NPs) in alleviating the adverse effects of salinity. Two concentrations (80 and 160 mg.L-1) of SeNPs were applied as a foliar spray on date palms irrigated with different concentrations of saline water (2.5 [control], 5, 10 and 20 ds.m-1). Results showed that 5 ds.m-1 salinity had no significant effect on the anatomical structure of date palm, whether applied alone or in combination with foliar spray of Se NPs. However, the vascular bundle dimensions and thickness of the xylem, phloem and mesophyll were significantly higher in plants exposed to 10 ds.m-1 salinity compared with the control plants. In particular, foliar spray of SeNPs at 80 mg.L-1 concentration enhanced the effect on these plants. By contrast, 20 ds.m-1 salinity significantly reduced all studied parameters except for the thickness of the upper and lower cuticle, which increased. Se NPs at 80 mg.L-1 concentration had a significant effect in alleviating the adverse effects of salinity at high levels. The results of this study proved that SeNPs at 80 mg.L-1 concentration were more effective in alleviating the adverse effects of salinity on the anatomical structure of date palm leaves than 160 mg.L-1 concentration.
本研究探讨了盐度对枣椰树(Phoenix dactylifera L.)解剖特征的影响,以及纳米硒(Se NPs)在缓解盐度不利影响中的潜在作用。在不同浓度盐水(2.5[对照]、5、10和20 ds.m-1)灌溉的枣椰树上喷施两种浓度(80和160 mg.L-1)的SeNPs。结果表明:5ds。无论是单独施用还是与Se NPs叶面喷施,m-1盐度对枣椰树解剖结构均无显著影响。而木质部、韧皮部和叶肉的维管束尺寸和厚度在处理10 d后显著增加。M-1盐度与对照植株比较。其中,SeNPs叶面喷施剂量为80 mg。L-1浓度对这些植物的作用增强。相比之下,20岁。M-1盐度显著降低了除上下角质层厚度增加外的所有研究参数。硒NPs在80毫克。L-1浓度对缓解高盐度的不利影响有显著作用。本研究结果证明,SeNPs在80 mg。L-1浓度比160 mg更能有效缓解盐度对枣椰树叶片解剖结构的不利影响。l - 1的浓度。
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引用次数: 0
Effect of The Amino Acid Taurine on Some Growth Parameters of Grass Carp Ctenopharyngodon idella Fingerlings 氨基酸牛磺酸对草鱼鱼种某些生长参数的影响
Q4 Agricultural and Biological Sciences Pub Date : 2022-12-23 DOI: 10.37077/25200860.2022.35.2.22
A. S. Salman, Fatima A. H. Sultan
The objective of this study was to evaluate the effects of taurine, an amino acid additive, on grass carp Ctenopharyngodon idella fingerlings (3.16 ± 0.14 gm) growth and feed utilization in glass aquaria for 70 days. Before beginning the feeding experiment, 120 fish were acclimatized for 10days in the laboratories of fisheries department and marine resources, Agriculture College, University of Basrah. Fish fed dietary taurine at levels of 1% (T2), 2% (T3), and 3% (T4) were compared to fish fed a control diet with no taurine (0%, T1). The weight gain (WG) in the T1 was 16.95 g, which was significantly (P≤0.05) higher than the other treatments. T1 had a higher (P≤0.05) mean relative growth rate (RGR) (54.89± 5.66 %) than the other treatments. The specific growth rate (SGR) and daily growth rate (DGR) of T1 were 0.72 ± 0.06 % day -1, and 0.28 ±0.01 g, which was also higher (P≤0.05) than other treatments supported with different levels of taurine. Significant differences (P≤0.05) were found in the food conversion ratio (FCR) and food conversion efficiency (FCE) between T1 and the other treatments (T2, T3, and T4). It is clear from the current study that the T1 (0% taurine) better than the other treatments in growth and food utilization indicators. It is concluded from the current study that the addition of taurine (1, 2 and 3%) had inhibited the growth in grass carp fingerlings.
本试验旨在研究氨基酸添加剂牛磺酸对玻璃水族箱中草鱼鱼种(3.16±0.14 gm)生长和饲料利用的影响。饲养试验开始前,120尾鱼在巴士拉大学渔业系和农业学院海洋资源实验室进行了10天的驯化。将饲料中牛磺酸水平分别为1% (T2)、2% (T3)和3% (T4)的鱼与饲料中不添加牛磺酸(0%,T1)的鱼进行比较。T1处理的增重(WG)为16.95 g,显著(P≤0.05)高于其他处理。T1处理的平均相对生长率(RGR)(54.89±5.66%)高于其他处理(P≤0.05)。T1的特定生长率(SGR)和日生长率(DGR)分别为0.72±0.06%和0.28±0.01 g,均高于其他添加不同牛磺酸的处理(P≤0.05)。在食物转化率(FCR)和食物转化效率(FCE)方面,T1与其他处理(T2、T3和T4)差异显著(P≤0.05)。从目前的研究中可以清楚地看出,T1(0%牛磺酸)处理在生长和食物利用指标上优于其他处理。本研究结果表明,添加牛磺酸(1、2和3%)对草鱼鱼种的生长有抑制作用。
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Basrah Journal of Agricultural Sciences
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