Experiment on Controlling Dendrolimus with Bt Biological Agent
Jingbo Han
Abstract
Jingbo Han
Abstract
The result of controlling Dendrolimus by use of Bt wet powder (toxicity is 8000IU) is good, which can achieve optimal results after 15 days. The optimal capacity of drug is 750g/hm 2. The average controlling result is 92.54%.
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The result of controlling Dendrolimus by use of Bt wet powder (toxicity is 8000IU) is good, which can achieve optimal results after 15 days. The optimal capacity of drug is 750g/hm 2. The average controlling result is 92.54%.
Key concepts: Toxicology, Mathematics, Biology