【摘要】 蛴螬是豫北地区花生田的主要地下害虫之一。在明确豫北地区花生田蛴螬发生种类和为害特点的基础上,探讨了作物品种布局的改变、大面积秸秆还田和施用未腐熟的有机肥、土壤药剂处理面积的减少、气候条件的变化及农民防治时间的滞后等因素对蛴螬暴发的影响,提出了加强农业防治、人工物理防治以及应用吡虫啉、米乐尔、毒死蜱等新农药进行大田防治的对策。更多还原

【Abstract】 White grub is one of t he major underground pests in peanut fields in the north of Henan province.Base d on the analysis of species and infestation characteristics of white grubs,the effects of variations of crop v arieties distri-bution,large-scale extension of mu lch farming,the application of under-composed organic fertilizer,the d ecrease of soil area treated by pesticides,changes of climate and delay of cont rol t ime on outbreak of white grubs were stud-ied.The strategies such as stre ngth ening agricultural and artificial physical control,applying imidaclo prid ,isazofos and chlorpyrifos in fields were prop osed.更多还原