二化螟也是水稻上的主要害虫。随着耕作制度和品种布局的改变,如杂交稻、单季晚稻和单株繁殖的种子田及茎粗、叶阔型品种扩大种植,它的发生量也有了变化,大部分地区危害程度已经超过三化螟。要注意对二化螟的识别,根据其发生规律和特点采取合理的防治措施,包括农业防治和药剂防治。 Chilo suppressalis is also a major pest on rice. With the change of tillage system and variety layout, such as hybrid rice, single-cropped late rice and single-crop seedling and stem diameter, the expansion of broad-leaved varieties, its occurrence has also changed, most of the region has more than the hazard Borer Should pay attention to the identification of Chilo suppressalis, according to its occurrence and characteristics of reasonable measures to take preventive measures, including agricultural control and chemical control.