大面积应用诱虫灯防治玉米螟效果调查报告

1990年在设置诱虫灯较多的德惠、农安和磐石等县共设灯4200多盏,防治玉米120余万亩。在这些地区玉米螟均发生严重,对诱虫灯的防效又一次受到了生产上的考验。我们协同当地农业站共同调查了设灯数量较大的上述三个县中的7个设灯乡和邻近的4个未设灯乡的玉米受螟害程度。调查结果可充分说明,在玉米螟发生严重年份,只要诱虫灯设置合理。集虫水池不漏水,管理的好,防效可以达到65-70％。

AINVESTIGATION ON THE APPLICATION OF LIGHT TRAPS TO CONTROLL ASIAN CORN BORER IN A LARGE-AREA

The present article reports the results of investigation on the application of light traps by the farmers to controll Asian corn borer (ACB). at Dehui, Nengan and Panshi counties of Jilin province in China, The light traps were installed in the areas where larval overwintering in the corn stalks (residues) were a source of moths for egg—laying in corn fields in July. Light sources consisted of 200 or 400-w mercury-vapor lamps, spaced about 150m. The attracted moths were collected by a round cistern (1.2m diameter) under the lamp where they were killed by water and washing powder. The investigation showed that the light traps gave a satisfactory control of ACB under the heavy infestation condition all over the areas.