摘要
Abstract
Downy mildew,soft rot and virus diseases are the three main diseases and often occurred on Chinese cabbage in Heilongjiang.The four main insects were striped flea beetles,cabbage aphids,diamondback moth and cabbage butterfly.This paper summarized the symptom identification,occurrence regularity and controlling techniques of common disease and pest on Chinese cabbage in Heilongjiang.关键词
黑龙江省/白菜/病虫害/防治技术Key words
Heilongjiang province/Chinese cabbage/disease and pest/controlling technique分类
农业科技
