扁豆豆荚螟发生危害规律及防治技术的初报  

On the Harmful Regulation of Maruca Testulalis Geyer and Prevention Approaches

作　　者：朱方枝[1] 朱骏[1] 王云[1] 

机构地区：[1]湖南文理学院特种蔬菜研究所,湖南常德415000

出　　处：《湖南文理学院学报（自然科学版）》2006年第1期47-48,76,共3页Journal of Hunan University of Arts and Science(Science and Technology)

基　　金：湖南省教育厅基金项目(04C409)

摘　　要：扁豆豆荚螟在湘北地区发生完整5代,其中2、3、4代主要为害早、中熟扁豆,以2、3代为害最严重.其发生量和受害率与寄主作物面积、播期、品种与区域关系密切.防治指标百荚(花)虫量10头,防治适期在5月下旬至7月下旬.防治方法采取农业防治为基础,人工防除压基数,药剂防治保关键,确保扁豆优质高产.In the North region of Hunan province, Maruca Testulalis Geyer harm the crops all 5 generations a year, of which the 2nd, 3rd and 4th generations harm early-ripe and middle-ripe, and the 2nd and 3rd are the most harmful. The occuring quantity and injury suffering are related to the area of parasitic plants, the time to seed, breed and the region to sow. When there are 10 worms on 100 pods, it is the suitable time to take drug prevention which is the index, The best period to take prevention is May, 20 to July, 31. And the fundalmental approach is by fanning, that is to decrease the basic number by artificial prevention, and the drug prevention should be carried out when it is very serious.

关 键 词：扁豆 豆荚螟 发生规律 防治技术 

分 类 号：S432[农业科学—植物病理学]