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首页> 外文期刊>Journal of entomology >Plant Pollen as an Alternative Food Source for Rearing Euseius scutalis (Acari: Phytoseiidae) in Hail, Saudi Arabia
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Plant Pollen as an Alternative Food Source for Rearing Euseius scutalis (Acari: Phytoseiidae) in Hail, Saudi Arabia

机译：植物花粉作为沙特阿拉伯冰雹饲养E（Eariius scutalis）（Acari：Phytoseiidae）的替代食物来源

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摘要

Four kinds of plant pollen were tested as an alternative food source for rearing the predatory mite Euseius scutalis (Athias-Henriot) under laboratory conditions of 26°C and 70%RH. Pollen grains were extracted from date palm Pheonyx dactylefira L., sour orange Citrus aurantium L., castor bean Ricinus communis L. and alfalfa Medicago sativa L. Individuals of the predatory mite were collected from leaves of eggplant in Hail district during spring 2010. Mite individuals were provided and reared on theaforementioned pollens for their whole life span. Total developmental period significantly affected by kind of pollen. Date palm pollen highly shortened the development followed by alfalfa, citrus and castor bean. Feeding on date palm pollen caused the highest rate of survival (94%) and gradually declined to 92, 90 and 89% when mites were provided with citrus, alfalfa and castor bean pollen, respectively. During adulthood, female deposited 42.62, 30.22, 21.16 and 13.46 eggs in approximately 12.42, 10.82, 9.44 and 7.22 days when fed date palm, alfalfa, castor bean and citrus pollen, respectively. Mean generation time (T) averaged 17.19, 17.86, 19.08 and 20.47 days; net reproductive rate (R_0) 34.93, 30.81, 15.59 and 18.51 female/female/day; intrinsic rate of natural increase (r_m) 0.20, 0.192, 0.134 and 0.153; finite rate of increase erm (lambda) 1.22, 1.21, 1.14 and 1.15 when mites fed the same kinds of pollen, respectively. The tested plant pollen is considered a suitable alternative food source andmeet the nutritional requirements of E. scutalis in Hail, Saudi Arabia.
机译：测试了四种植物花粉作为替代食物的来源，以在26°C和70％RH的实验室条件下饲养捕食性螨Euseius scutalis（Athias-Henriot）。花椰菜籽是从枣棕Pheonyx dactylefira L.，酸橙柑桔Citrus aurantium L.，蓖麻豆Ricinus communis L.和紫花苜蓿Medicago sativa L中提取的。掠食性螨虫的个体是在2010年春季从冰雹地区的茄子叶片中收集的。在整个花粉的整个生命周期中，将这些花粉提供给并饲养。花粉种类对总发育期有显着影响。枣棕花粉极大地缩短了苜蓿，柑桔和蓖麻子的发育。饲喂枣棕花粉的存活率最高（94％），当螨虫分别提供柑橘，苜蓿和蓖麻花粉时，其存活率逐渐下降至92％，90％和89％。在成年期，雌性分别饲喂枣椰子，苜蓿，蓖麻子和柑橘花粉时，分别在大约12.42、10.82、9.44和7.22天沉积了42.62、30.22、21.16和13.46个卵。平均产生时间（T）平均为17.19、17.86、19.08和20.47天;女性/女性/天的净生殖率（R_0）34.93、30.81、15.59和18.51;固有自然增长率（r_m）0.20、0.192、0.134和0.153;当螨虫喂食相同种类的花粉时，有限的erm增幅（λ）为1.22、1.21、1.14和1.15。经测试的植物花粉被认为是合适的替代食物来源，并且满足沙特阿拉伯冰雹中的盾的营养需求。

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