论文部分内容阅读
几年来用赤眼蜂防治稻纵巷叶螟取得一定的成效,七七年试验要求:1、进一步观察赤眼蜂防治卷叶螟效果的稳定性;2、赤眼蜂和黑光灯结合的综合防治效果;3、当地蜂种和外引蜂种效果比较;4、几点技术的改进。现总结如下: 一、一九七七年防治效果情况: 今年放蜂防治稻纵卷叶螟582亩(其他90亩不计在内)在三个公社五个大队进行。试验证明,放蜂治虫效果基本稳定,如升山公社东方红大队共防治80亩,其中有26亩用药防治;塘甸公社大兴、和平大队灯蜂结合100亩,基本上未用农药;新溪公社农星、
Trichogramma repellent for several years with Trichogramma pachyrhizi have achieved some results, seven or seven years trial requirements: 1, to further observe the trichogramma repellent effect of prevention and control; 2 Trichogramma and black light combination Control effect; 3, the local bee species and the introduction of bee comparison; 4, a few technical improvements. The following is a summary of the results: I. Prevention and Control Measures in 1977: This year 582 acres of rice stem borers (other 90 acres excluded) were put into operation in five brigades of three communes. Experiments show that the effect of beekeeping pest basically stable, such as alpine Dongsheng red brigade control of 80 acres, of which 26 acres of drug control; Tong Daxian commune Daxing, peace brigade light bee combination of 100 acres, basically unused pesticides; Commune farm star,