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Impact of Seedling Dates and Different Foliar Applications on Growth and Productivity of Cucumber Hybrids (Barracuda.) under Protected Agricultural Systems 苗期和不同叶面施用对保护地黄瓜杂交种生长和产量的影响
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.206597.1247
Mohamed H. Z. EL-Dkeshy, A. Haridy, H. Abbas, K. Abdel‐Hakim
.
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引用次数: 0
Abundance and Spatial Distribution Pattern of Chrysoperla carnea (Stephens) and Aphids Inhabiting Pomegranate Orchards in Assiut, Egypt. 埃及Assiut地区石榴果园中金菊和蚜虫的丰度及空间分布格局
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.213390.1261
F. Abdel-Galil, Hanem Ghanem, Gaber Abo El-Hagag, S. Mousa, M. Mahmoud
Green lacewing Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae) has been recorded as an effective generalist predator, especially aphids. A study was carried out to determine the population fluctuations and dispersion of green lacewings and aphids inhabiting pomegranate orchards in Assiut, Northern Upper Egypt, during the 2021 and 2022 growing seasons. A yellow sticky trap was used, and five directions corresponding to the cardinal directions and center were selected. The population density of the green lacewings and aphids recorded three peaks in both growing seasons. Statistically, the correlation coefficient (r) value between the average number of adult green lacewings and aphids was negative and non-significant (r= -0.08834, P= 0.2135) and the coefficient of determination (R 2 ) was 30.97% during 2021 growing season. However, the correlation coefficient (r) was positive and highly significant (r= 0.30901, P= < 0.0001), and the coefficient of determination (R 2 ) was 12.92 % during the 2022 growing season. The correlation coefficient (r) values between the average number of adult green lacewings and ambient weather factors differed in both seasons. In both seasons, the maximum average number of adult green lacewings was in the center. The maximum average number of aphids was in the east during the 2021 season and in the north during the 2022 season. The most preferred direction for green lacewing adults was the east northern side in both seasons. Aphids preferred the east northern side and the northern east side during 2021 and 2022, respectively. In conclusion, determining natural enemy fluctuations and preferred directions are important for the successful Integrated Pest Management (IPM) approach.
绿草蛉Chrysoperla carnea (Stephens)(神经翅目:草蛉科)是一种有效的多面手捕食者,特别是蚜虫。进行了一项研究,以确定在2021年和2022年生长季节居住在上埃及北部Assiut石榴果园的绿草蛉和蚜虫的种群波动和分散。采用黄色粘捕器,选取与基本方向和中心相对应的5个方向。绿草蛉和蚜虫的种群密度在两个生长季节均出现3个高峰。2021年生长季绿草蛉平均成虫数与蚜虫平均成虫数的相关系数(r)为负且不显著(r= -0.08834, P= 0.2135),决定系数(r2)为30.97%。但相关系数(r)为正且极显著(r= 0.30901, P= < 0.0001), 2022年生长期的决定系数(r2)为12.92%。不同季节绿草蛉成虫数与环境气象因子的相关系数r值不同。在两个季节中,绿草蛉成虫平均数量的最大值均在中部。平均蚜虫数量最大的季节为2021年东部,2022年北部。绿草成虫在两个季节中最喜欢的方向都是东北侧。在2021年和2022年,蚜虫分别倾向于东北方和东北方。综上所述,确定天敌的波动和首选方向对于成功的害虫综合治理(IPM)方法至关重要。
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引用次数: 0
Effect of Planting Dates on Vegetative Growth, Yield and Quality of Some Genotypes of Spinach (Spinacia oleraceae L.) 不同种植日期对部分基因型菠菜营养生长、产量和品质的影响
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.179135.1208
M. Abdalla, A. Haridy, M. Abd-El-Rahman, Dina S. Mosilhy, Mohamed Islam Sayed
This experiment was carried out at the Vegetables Farm, Faculty of Agriculture, Assiut University for two successive seasons (2019/2020 and 2020/2021) to study the effect of three different planting dates (1 st November 1 st December and 1 st January) on vegetative growth, yield and quality in four spinach genotypes (Dash F 1 hybrid, SCO-017 F 1 hybrid, Green Shine F 1 hybrid and Balady local Cultivar) Statistical analysis of the data revealed a significant interaction between four genotypes and three planting date. The tallest plant, the highest number of leaves per plant and the highest plant fresh weight were obtained from Dash, F 1 hybrid and SCO-017 F 1 hybrid when sowing on the first planting date (1 Nov) in the first and second season, respectively. These results may be due to the favorable weather with the first planting date and the adaptation of these F 1 hybrids to these conditions. Thus, it can be concluded that Hybrid Dash grows better in early sowing (autumn sowing, Nov. 1 st ) and its growth is significantly affected in late sowing (winter sowing, Jan. 1 st )
本试验连续两季(2019/2020和2020/2021)在阿西尤特大学农学院蔬菜农场进行,研究3个不同种植日期(11月1日、12月1日和1月1日)对4种菠菜基因型(Dash f1杂交种、SCO-017 f1杂交种、统计分析表明,4个基因型与3个植树期之间存在显著的交互作用。Dash、f1杂交种和SCO-017 f1杂交种在第一、二季第一植树日(11月1日)播种时株高、单株叶数和株鲜重最高。这些结果可能是由于第一种植日期的有利天气以及这些f1杂交种对这些条件的适应。由此可见,杂种短跑在早播期(秋播期,11月1日)生长较好,晚播期(冬播期,1月1日)生长受影响较大。
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引用次数: 0
Effect of Different Gums and Water Content on The Physical, Textural and Sensory Properties of Gluten-free Pan Bread 不同树胶和含水量对无麸质平底面包物理、质构和感官特性的影响
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.209973.1252
Abdalla S. SAbdel-Gawad, M. Abd El-Rahman, Safaa A. Limam, Asmaa M. A.Abdel-Rahman, Abdelfatah K. Ali
.
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引用次数: 0
Impact of Different Potassium Fertilization Sources on Growth, Yield and Fruit Quality of Sultani Fig Tree 不同钾肥源对苏丹无花果生长、产量和果实品质的影响
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.213839.1263
Hassan Abd El-Galil, A. Masoud, E. Abou-Zaid, Mohamed Abd El- khalek, Nada S.A. Bahlol
The experiment was conducted on Sultani fig trees located on the farm of Shandawil Island Research Station, Sohag, Egypt, throughout the course of two subsequent growth seasons in 2020 and 2021. The goal of the study was to determine the applying various potassium sources to Sultani Fig trees' vegetative growth, yield components, and fruit quality. Data showed that when compared to untreated ones, the application of various potassium fertilization sources considerably enhanced leaf area, shoot length, and shoot thickness. Additionally, yield, ripeness, and fruit quality were all improved by all investigated potassium fertilization sources. The usage of potassium thiosulfate led to the maximum values of fruit weight, length, and diameter being noted. Between all examined treatments, there were no appreciable variations in fruit length or fruit diameter. The highest TSS and reducing sugar values, as well as the lowest titratable acidity values, were produced by vinasse and potassien. Additionally, no appreciable variations were discovered between them. One may deduce that in order to improve some vegetative development, high yield, and good fruit quality, different potassium fertilization sources were required twice a year. Therefore, from an economic perspective, vinasse and potassien are preferred. Due to reduced pollution and a lower overall cost of production.
该实验是在位于埃及Sohag的Shandawil岛研究站农场的Sultani无花果树上进行的,在随后的两个生长季节(2020年和2021年)进行。本研究的目的是确定不同钾源对苏坦尼无花果树营养生长、产量组成和果实品质的影响。结果表明,与未施用钾肥相比,施用不同钾肥源均显著提高了叶片面积、茎长和茎粗。此外,各施钾源均能提高产量、成熟度和果实品质。硫代硫酸钾的施用使果实的重量、长度和直径达到最大值。在所有检测处理之间,果实长度和果实直径没有明显的变化。最高的TSS和还原糖值,以及最低的可滴定酸度值是由酒液和钾产生的。此外,他们之间没有发现明显的差异。由此可以推断,为了促进某些营养发育,提高产量和果实品质,一年需要两次不同的钾肥源。因此,从经济的角度来看,酒糟和钾是首选。由于减少了污染和较低的总体生产成本。
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引用次数: 0
The Impact of Modern Technology on the Productivity and Economic Efficiency for Wheat crop in the New Valley Governorate "A Case Study in the Kharga Region" 现代技术对新谷省小麦生产力和经济效益的影响——以哈尔加地区为例
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.211757.1260
Hala Rshdan
Adopting modern techniques in caltivating strategic crops is important, especially in limited land and water resources for horizontal expansion. Technology raises the efficiency of available resources and wheat crop was chosen for its great importance in increasing Egyptian food security. The research aimed to study the impact of modern technologies on economic efficiency of wheat crop in the New Valley Governorate, To achieve this goal, a cluster sample was drawn from Al-Kharga district, divided into two groups according to the cultivated wheat varieties, each group was divided into sub-groups representing farmers who used mechanization. Using the analysis of variance method to compare the different technological groups in terms of economic efficiency. Results show that the third technological combination, which represents farmers high productive seeds with the use of agricultural mechanization, was superior to its counterpart from other combinations. Therefore, the study recommended encouraging farmers to adopt the idea of using the agricultural machine in addition to the high productive seeds in producting wheat crop to included in all cultivated areas in New Valley Governorate.
采用现代技术种植战略作物是重要的,特别是在土地和水资源有限的情况下进行横向扩展。技术提高了现有资源的效率,选择小麦作物是因为它对增加埃及的粮食安全非常重要。为了研究现代技术对新谷省小麦作物经济效益的影响,本研究从Al-Kharga地区抽取整群样本,根据种植的小麦品种分为两组,每组又分为代表使用机械化的农民的子组。采用方差分析方法对不同技术组的经济效率进行比较。结果表明,以农业机械化为代表的农民高产种子技术组合优于其他技术组合。因此,该研究建议鼓励农民在生产小麦作物时采用除使用高产种子外还使用农业机械的想法,并将其纳入新谷省的所有耕地。
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引用次数: 0
Efficacy of Certain Natural Compounds and Entomopathogenic Fungi Compared with Malathion Against Cowpea beetle, Callosobruchus maculatus (Fabricius) under Laboratory Conditions 实验室条件下几种天然化合物和昆虫病原真菌与马拉硫磷对豇豆甲虫的防治效果比较
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.199238.1240
Aya M.M. Abdelwareth, G. Abdu-Allah, T. Elghareeb, Nesreen M. F. Abou-Ghadir
Cowpea beetle, Callosobruchus maculatus (Fabricius) (Coleoptera: Chrysomelidae) is one of the most dangerous insect pests in field and storage. It causes a high damage to the legumes by decreased dietary values, germination and seed weights. Using synthetic insecticides for controlling stored grain pests have a lot of problems for humans and environment. Therefore, the mixing seeds laboratory experiments were conducted to study the efficacy of certain alternative safety compounds against C. maculatus such as Beauveria bassiana , Metarhizium anisopliae , ascorbic acid, boric acid, talc powder and kaolin compared with an organophosphorus nervous insecticide, malathion 1% dust, that recommended in Egypt for controlling stored grain pests. The present results showed that the malathion was the highest toxicity effect against cowpea beetle adults with LC 50 (3.89 ppm) after 3-day post treatment. However, the boric acid was the lowest toxicity effect with LC 50 (72855 ppm) after 6 days post treatment. The other tested materials showed moderate effects. These results indicate that malathion is still having high effect against cowpea beetle. The toxicity of bio-insecticides ( M. anisopliae and B. bassiana ) after 6days were more than toxicity malathion 1%dust after 1day.Wheraes, the toxicity of bio-insecticides ( M. anisopliae and B. bassiana ) increased with increase of period of exposure from 2 to 6 days high rates about 28 times, 31 times, respectively. The findings showed that the tested compounds have a promising insecticidal activity against C . maculatus and can be used as possible alternatives to synthetic chemical insecticides such as malathion for the control of stored product insects.
豇豆甲虫(Callosobruchus maculatus, Fabricius)(鞘翅目:金甲科)是田间和贮藏中最危险的害虫之一。它通过降低膳食价值、发芽和种子重量对豆类造成严重损害。使用合成杀虫剂防治储粮害虫,存在着许多人类和环境问题。因此,通过混合种子室内试验,研究了几种安全替代化合物对球孢白僵菌、绿僵菌、抗坏血酸、硼酸、滑石粉和高岭土等黄斑弧菌的防治效果,并与埃及推荐用于储粮害虫防治的有机磷神经杀虫剂马拉硫磷1%粉尘进行了比较。结果表明,在lc50 (3.89 ppm)浓度下,马拉硫磷处理3 d后对豇豆甲虫成虫的毒效最高。而lc50 (72855 ppm)处理6天后,硼酸的毒性作用最低。其他测试材料表现出中等效果。说明马拉硫磷对豇豆甲虫仍有较高的防治效果。生物杀虫剂(绿僵菌和球孢白僵菌)6d后的毒性大于1%马拉硫磷1d后的毒性。其中,绿僵菌和球孢白僵菌的毒性随暴露时间的增加而增加,分别为2 ~ 6 d的28倍和31倍。结果表明,所获化合物具有较好的杀虫活性。可作为合成化学杀虫剂(如马拉硫磷)的替代品,用于控制储藏品昆虫。
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引用次数: 0
Propolis Effect on Growing Rabbits as Natural Health Product 蜂胶作为天然保健品对生长兔的影响
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.215359.1265
Mohamed Abd-El-Ati, Nisreen Hussein, Mohamed El-Sagheer Mohamed
.
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引用次数: 0
Effect of Irrigation Levels on Growth and Fruiting of Manfalouty Pomegranate Trees Grown in New Reclaimed Region 灌溉水平对新垦区人工石榴树生长和结果的影响
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.211452.1255
A. El-Salhy, Fatma El-Zahraa Gouda, T. El-Bolok, Mostafa Mohamed
.
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引用次数: 0
Improvement of Color Removal by Sodium Metabisulfite and Ammonium Persulphate on Syrup Talodora Clarification Process 焦亚硫酸钠和过硫酸铵对糖浆Talodora澄清过程脱色效果的改进
Pub Date : 2023-07-01 DOI: 10.21608/ajas.2023.203862.1246
N. Ramadan, Samy El-Sayiad, S. Darwish, E. Ramadan, Mohamed Atito El-Taher
This study aimed to improve the color removal of talodora syrup by using sodium metabisulfite and ammonium persulphate, which have a very important effect in the bleaching process. The behavior of the materials used at different concentrations on Brix and the pH of the syrup was studied, as well as the color removal efficiency. Experiments were carried out at Hawamdia sugar refinery factory, Giza Governorate, in the General Administration for Quality and Control, during September and October 2022. The results showed that the rate of decolorization of the samples increased with the increase the concentration of the additives. The best color removal of the syrup is 60.4% when using Sodium metabisulfite at a concentration of 550 ppm on the processed syrup. While the best color removal of the syrup was 35.2% when ammonium persulphate at a concentration of 800 ppm was added to outlet syrup of talodora when compared to color of outlet syrup of talodora. On the other hand, it became clear that the removal color of the syrup when adding the material at the same concentration to the treated syrup was 70.2%, when compared to the color of the syrup inlet talodora. Through the results obtained, it was clear that ammonium persulfate was better than sodium meta sulfite of its effect on removing the color of syrup .
本研究旨在通过使用在漂白过程中起重要作用的焦亚硫酸钠和过硫酸铵来提高塔洛果糖浆的脱色效果。研究了不同浓度下原料对糖度和糖浆pH值的影响,以及脱色效果。实验于2022年9月和10月在质量和控制总局吉萨省的Hawamdia糖厂进行。结果表明,随着添加剂浓度的增加,样品的脱色率提高。当焦亚硫酸钠浓度为550ppm时,脱色效果最好,脱色率为60.4%。而当过硫酸铵浓度为800 ppm时,与塔罗得出口糖浆的脱色效果进行了比较,脱色效果为35.2%。另一方面,在处理过的糖浆中加入相同浓度的材料,与糖浆进口塔洛多拉的颜色相比,糖浆的去除色明显为70.2%。结果表明,过硫酸铵对糖浆的脱色效果优于亚硫酸钠。
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引用次数: 0
期刊
Assiut Journal of Agricultural Sciences
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