山西冬麦穗夜蛾发生规律及综合防治

冬麦穗夜蛾是山西中、南部丘陵旱塬地区麦田的一种新害虫，80年代以来为害日趋严重，一般损失5％～10％，较重的达30％以上。为控制其为害作者从1991年对该虫的发生规律、防治途径进行了研究。综合防治以机械收脱、深耕、火烧麦茬、低留茬；用40％氧乐果、25％菊乐合剂、40％水胺硫磷1500倍进行防治，均能取得良好的防治效果。

Studies on the Occurrence and Control of Apamea sordida Hufn in Shanxi.

Apamea sordida Hufn is a new pest that occurs in the wheat field of hilly regions in middleand west Shanxi.Since 1980s,the damage has been becoming seriuos and distributing quickly.In general,it makes 5%-10%loss of wheat and may be increase to 30%in serious year.In 1991-1994,the authorsinvestigated its occurrence and the control measures of the pest.the results showed that the integratedways of machinary harvesting,deep ploughing,firing wheat stubble and retaining low stubble,and ofspraying pesticides,such as 40% Omethoate、25%Pyrethro-Rogor mixture、40%Isocarbophos(all in1500X dilution)were proved to be effective.