indica oil 1% and 2% with addition of non ionic active tense, don't possess necessary efficiency as the only control method of the fall armyworm s. frugiperda in field conditions. the products begin to affect the development of fall armyworms some days after the ingestion of the powdered ...
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the fall armyworm is one of the most important pest on corn fields. it causes enormous losses almost every year. in order to know the effects of some chemicals against the caterpillars, a study was conducted under field conditions in piracicaba, state of s锛無 paulo, brazil, durin december...