粮食在储藏过程中,如果保管不当,就会发生虫害,致使粮粒破碎,粉屑增多.粮食中粉屑物增多后,吸湿能力便显著增强,导致发潮急而引起粮温增高,继而发生霉变,使粮食降低或失去实用价值,给人们生活和经济上带来损失.防治储粮害虫的药剂,多救为熏蒸剂,如溴甲烷、氯化苦、二溴乙烷、 If food is stored improperly, insect pests will occur, resulting in grain crushing and powder crumbs increasing. After the increase of flour crumbs in food, the hygroscopic abilities will be significantly enhanced, resulting in the occurrence of tidal wars and the increase of grain temperature, which in turn will occur Mildew, so that food to reduce or lose practical value, to people’s lives and economic losses.Prevention and storage of pesticides stored pests, and more save for the fumigant, such as methyl bromide, chloropicrin, dibromoethane,