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我们采用塑料袋生产白僵菌的方法,一个半月内生产含95亿/克的白僵菌750斤,在全大队885亩玉米和314亩高粱田防治钻心虫一遍,获得了良好效果。 一、防治玉米钻心虫 1.防治春玉米钻心虫 通过在东张村第二生产队设七个小区,每区0.5亩地,重复2次,田间设计为随机排列。施药前,定株查算卵株孵化率,施药后第10、20、30天各调查一次,
We use the plastic bag production Beauveria bassiana method, a half months to produce 9.5 billion / g of Beauveria bassiana 750 pounds, in the entire brigade 885 acres of corn and 314 acres of sorghum field control borer again, and achieved good results. First, the prevention and treatment of corn borer 1. Prevention and control of spring corn borer wormhole through the second production team in East Village set up seven plots, each area of 0.5 acres of land, repeated 2 times, field design for the random arrangement. Before the application of pesticides, the ovulation rate of the ovules was determined. After investigation,