【摘要】 通过对20%草酸青霉水剂助剂用量的影响、助剂对药效的影响、pH值对制剂贮存稳定性的影响试验,筛选出20%草酸青霉水剂的最佳配方。室内及田间药效试验表明:20%草酸青霉水剂对玉米小斑病有良好的防治效果,室内处理剂量为稀释100倍液,田间处理剂量为稀释50倍液,对玉米小斑病的防效在88%~90.6%,且对供试作物安全。更多还原

【Abstract】 The best prescription of 20% Penicillium oxalicum Currie et Thom aqua was screened in the experiments of the effects of the aid and dosage of 20% Penicillium oxalicum Currie et Thom aqua,the effect of aid on pesticide efficacy and the effect of pH on reserving stability of the preparation.The laboratory and field experiments of pesticide efficacy showed a good control efficacy of 20% Penicillium oxalicum Currie et Thom aqua on Helminokosporicum turcicum Pass.The pesticide diluted at 100 times in laboratory application and diluted at 50 times in field application could get control efficacy from 88%～90.6% without any injury on crops.更多还原