The occurrence and pesticide screening of Hly phantria cunea
In 2008 ,Hlyphantria cunea was firstly discovered in Baoding City and seriously harm forest plant .Therefore ,the prevention of Hlyphantria cunea is a urgent task .The study surveyed Hlyphantria cunea host range ,tested lethality of some kinds of chemical a-gent to the pest in lab .The results showed bacillus thuringiensis pesticide and the chrysan-themum ester insecticide were the best with 100% lethality rate .Abamectin was lower ,with 45% lethality of 5 000X of abamectin .Biological metabolite matrine had the best ppesticide effect ,with 100% lethality rate ,but larve died sowly .The efficacy of organophosphorus pesticide was good ,but it harmed environment .
NETL
NSTL
万方数据
维普
