一、范围本技术意见规定了棉花害虫综合治理技术及棉花害虫治理过程中农药的使用要求。适用于山东省辖区范围内棉花无农药污染生产。二、防治对象及其防治指标棉蚜:3片真叶前卷叶株10%;4片真叶后卷叶株20%。地老虎:定苗前被害株10%;定苗后被害株5%。棉铃虫:二代百株累计卵量150粒,抗虫棉百株低龄幼虫20 First, the scope of This technical advice provides a comprehensive management of cotton pests and cotton pests in the process of pesticide use requirements. It is suitable for cotton-free pesticide-contaminated production in the area of ​​Shandong Province. Second, the prevention and control targets and their indicators Cotton aphid: 3 true leaves before the leaf roll 10%; 4 true leaves after the roll leaf 20%. To the tiger: Dingmiao before the victim strain 10%; Dingmiao killed after the strain 5%. Cotton bollworm: the second generation of 100 strains accumulative total amount of 150 eggs, insect-resistant cotton one hundred young larvae 20