保护利用蜘蛛防治水稻害虫的研究

水稻是湖南省的主要粮食,每年要用大量化学农药防治害虫。因此,作者在1975～1981年间,于长沙、湘阴等地进行了稻田蜘蛛保护和利用的室内外研究。结果证明,湖南省稻田蜘蛛资源丰富,并有良好的治虫效果。稻褐飞虱是它们的主要食物。通过保护,蜘蛛数量逐年增加,也保护了其它天敌,发挥了多种天敌联合治虫的作用,为综合防治提供了新内容,降低了农药用量,人畜安全,增产增收。

A RESEARCH ON THE PROTECTION AND UTILIZATION OF PADDY FIELD SPIDERS TO CONTROL INSECT PESTS

Paddy rice is the staple food crop in Hunan Province.A lot of insecticides are used for controlling pests every year.As a result,natural enemies are killed,while insect pests become rampant as they produce resistance to chemical in secticide.As the quantity of insecticides applied became larger and larger;the expenses of pest control increased year by year.