摘要
本文在测定麦蚜造成小麦产量损失的基础上，运用不同方法计算了不同情况下麦蚜的经济阈值。即固定经济阈值；混合种群经济阈值；多因子经济阈值；生物防治经济阈值。为不同生态条件下麦蚜综合治理的决策，提供了重要的数量化指标。
Based upon the above level of calcutation,the writers have calcutated economic threshold of wheat aphid with different methods in different conditions:static economic threshold,ET of mixed populations,ET of many-factored and ET of bio-control. These have provided numberable threshold for integrate management of wheat aphid in different ecological conditions.
出处
《河南职业技术师范学院学报》
1995年第3期37-43,共7页
Journal of Henan Vocation-Technical Teachers College
