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Release of predatory mite, Neoseiulus barkeri (Acari: Phytoseiidae) for its suppression two species of eriophyid mites (Acari: Eriophyidae) on olive seedlings in Egypt
International Journal of Acarology ( IF 1.1 ) Pub Date : 2021-01-19 , DOI: 10.1080/01647954.2020.1870547
Ashraf Said Elhalawany 1 , Reham Ibrahim Ahmed Abo-Shnaf 2 , Ahmad Said Sanad 2
Affiliation  

ABSTRACT

This work evaluates the predator, Neoseiulus barkeri as a biocontrol agent for Aceria oleae and Tegolophus hassani on olive seedlings in Egypt. Three release rates (50, 100 and 150 predators/olive seedlings) were tested, and the numbers of N. barkeri and eriophyids were assessed over the 2017 and 2018 seasons. For both years, the densities of N. barkeri increased significantly over four months, and the densities of the two species of eriophyids were reduced. Significant differences were observed between the three release rates. Early releases of 100 N. barkeri per seedling at the first appearance of eriophyids substantially suppressed populations of the two pests considered.



中文翻译:

释放掠食性螨Neoseiulus barkeri(Acari:Phytoseiidae),以抑制埃及橄榄幼苗上的两种phy螨(Acari:Eriophyidae)。

抽象的

这项工作评估了捕食者,作为对埃及橄榄树上的油荚油草哈萨尼Tegolophus hassani)的生物防治剂的捕食者Neoseiulus barkeri。测试了三种释放率(50、100和150捕食者/橄榄幼苗),并评估了2017年和2018年季节的巴克猪笼草和沙生藻的数量。在过去的两年中,巴克猪笼草的密度在四个月内均显着增加,而这两种虹藻的密度却降低了。在三种释放速率之间观察到显着差异。初次出现类风藻时,每棵幼苗的100 N. barkeri早期释放 大大抑制了所考虑的两种害虫的种群。

更新日期:2021-02-23
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