粮食在睹藏期间,其重量和质量均要遭受损失。虽然,应用化学保护剂,能取得良好的防治效果,但却给粮食带来了残留,同时也污染了环境。近年来,对于应用生物制剂——苏云金杆茵Bacillus thuringiensis(Bt)和白僵菌Beaureria bassiana(Bb)——防治储粮害虫的兴趣日益增加。 During the period of Tibet’s food, the weight and quality of the grain suffered losses. Although the use of chemical protective agent, can achieve good control effect, but it has brought food residues, but also pollute the environment. In recent years, there has been an increasing interest in the application of biologics - Bacillus thuringiensis (Bt) and Beauveria bassiana (Bb) - for the control of stored grain pests.