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METHOD FOR INDUCING LOCAL EPIZOOTIES IN POPULATIONS OF PHYTOPHAGE INSECTS

机译:在植食性昆虫种群中引起局部表生的方法

摘要

A method for inducing local epizooties in populations of phytophage insects includes artificial settling of laboratory cultures of entomophages into agrocenoses. Larvae of the elder ages and imagoes of predaceous insects are preliminary selected in a ratio of 1:1. After that they are infected by spores of the entomopathogenous fungus Paecilomyces farinosus Brown et Smith by means of single treatment of the surface of bodies thereof with a 3.0% aqueous suspension of spores of the fungus. The treatment is carried out 25-30 minutes prior to settling thereof into agrocenoses. The infected individuals of the predaceous insects are settled onto berry fields in an equivalent of 6-7 individuals per one bush, in the period of developing larvae of buprestid beetles and caterpillars of currant borer elder than the second age.
机译:一种在噬藻性昆虫种群中诱导局部表生动物的方法,包括将食虫的实验室培养物人工沉降到农杆菌中。以1:1的比例预先选择年龄较大的幼虫和象牙虫的成虫。之后,通过用3.0%的真菌孢子水悬浮液对其表面进行单次处理,将它们感染了昆虫病原性真菌粉孢拟青霉(Paecilomyces farinosus Brown)和史密斯(Smith)。该处理在沉降成农杆菌糖之前进行25-30分钟。早于第二龄的b科甲虫幼虫和无核小bore虫幼虫的幼虫期,将早产昆虫的被感染个体定居在浆果田地上,相当于每一个灌木丛有6-7个个体。

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