【摘要】 布氏白僵菌是寄生蛴螬的一种虫生真菌，田间试验表明：吉林４号每公顷用量２２．５、３７．５、５２．５ｋｇ，依次可降低虫量６１．４％，７０．１％和８２．５％，减少花生果被害率７２．７％、７４．８％和８５．９％。中耕期防治效果略高于播种期，尤其是对夏播花生防治后增产效果更为明显。菌药混用有较好的增效作用。更多还原

【Abstract】 Experiments were carried out in Anhui province in 1990-1994 on the effectiveness of using a entomopathogenic fungus Beauveria brongniartii to control the white grubs (Holotrichia parallela and H.diomphalia) in peanut fields. When different rates of preparation from 4.5×10 13 to 11.1×10 13 spores/ha were used on to soil, the population of the white grubs and damage of peanut decreased 61.4%￣82.5% and 72.7%￣85.9% respectively. Increased effectiveness was found when the fungus preparation was used with low dose of sublethal insecticide. Experiments showed that better result was obtained when the fungus preparation was applied in intertill season than in sowing season.更多还原