本市郊区大蒜田间草害严重,目前普遍采取人工除草,耗工费时,且易伤害大蒜根系。国外对大蒜田化学防除做了大量研究工作,国内亦有零星报道。但本项研究从大蒜田间杂草种类、分布和危害;大蒜田杂草损失率测定;化学防除技术三个方面进行系统研究尚属首次。大蒜田间杂草主要由秋冬季杂草和春季杂草两部分组成。本项研究在摸清了大蒜田间主要杂草的种类、 The suburbs of the city of garlic grass serious damage, the current general artificial weeding, labor-intensive costs, and easy to damage garlic roots. Abroad on the garlic field chemical control done a lot of research work, there are also sporadic reports. However, this study is the first to systematically study the types, distribution and damage of weeds in garlic field, the weed loss rate determination in garlic fields and the chemical control technology. Garlic field weed mainly by autumn and winter weeds and spring weeds in two parts. This study found out the main types of weed in the garlic field,