The Experiment of Using Compound Insecticides forHemiberlesia pitysophila Control
Huang Zhen-yu
Abstract
Huang Zhen-yu
Abstract
The field tests of Hemiberlesia pitysophila control with 40% methidathion EC,40% chlorpyriphos EC,40% omethoate EC,95% petroleum oil and 45% malathion EC were conducted. The results showed that spraying with 40% methidathion EC((1∶1 000))+40% chlorpyriphos EC(1∶1 000)+40% omethoate EC(1∶500)to be the most effective by orthogonal design in the field. Moreover,compared with using 40% methidathion EC,40% chlorpyriphos EC and 40% omethoate EC alone,the compound was more effective and reached an control effect of over 90%.
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The field tests of Hemiberlesia pitysophila control with 40% methidathion EC,40% chlorpyriphos EC,40% omethoate EC,95% petroleum oil and 45% malathion EC were conducted. The results showed that spraying with 40% methidathion EC((1∶1 000))+40% chlorpyriphos EC(1∶1 000)+40% omethoate EC(1∶500)to be the most effective by orthogonal design in the field. Moreover,compared with using 40% methidathion EC,40% chlorpyriphos EC and 40% omethoate EC alone,the compound was more effective and reached an control effect of over 90%.
Key concepts: Methidathion, Omethoate, Malathion, Chemistry, Toxicology, Biology, Pesticide, Agronomy