冬麦穗夜蛾发生规律及综合防治

冬麦穗夜蛾是山西中南部丘陵旱源地区麦田发生为害的一种新害虫，８０年代以来，为害程度日趋严重，一般情况下造成小麦损失５％～１０％，较重的达３０％以上；采取机械收脱、深耕、火烧麦茬、低留茬，喷施４０％氧化乐果，２５％菊乐合酯、４０％水胺硫磷１５００倍液，可取得良好的防治效果。

Studies on the Occurrence and Control of Apamen sordida Bkh in Shanxi

Apamen Sordida Bkh is a new pest that occurs in the wheat field of hilly regions in middle and west Shanxi. From eighties,the damage is becoming serious day and day and spreading quickly.Generaly, the rate of injured reached at 5￣10% and at 30% in the case of seriousness. During 1991￣1994,the regularity of occurrence and the way of control of the pest has been studied. The result showed that integrated management of the pest could gain relatively good effect,by the ways of combining harvester,deep ploughing,firing wheat stubbie, retaining Low strbble and spraying pestcide such as 40% YANGHUALEGUO,25%JULEHEZHE,40% SHUIANLIOULIN.Meantime, the spraying still can control wheat aphids.