稻田化学除草引起杂草群落的演变与防除对策

SUCCESSION OF WEED COMMUNITIES AND THE CONTRAL PRACTICES AFTER APPLICATION OF HERBICIDES IN RICE PADDY

摘要:

对吉林省稻田杂草种类调查, 明确有39种分属16科与主要杂草群落组成和危害, 并对使用期较长、推广面积较大的除草剂杀草丹、禾大壮、丁草胺后对稻田杂草群落的演变进行分析和论述。提出了在稻田杂草群落演变后的防治对策。

Abstract:

Through the survey of the weed species in rice paddy in Jilin provice, 39 species belonging to 16 families were found. The composition and damage of the main weed communities was understood, the succesion of weed communities after using herbicides such as thiobuncarb, molinate and butachlor, which have been used in widespread areas for several years, Was analyzed. The control practices are also suggested.