联合国粮农组织统计,全球大蒜收获面积为1705.6万亩,产量为1405万吨。其中,我国大蒜收获面积为955.9万亩,产量为1058万吨,占全球75%。近几年来,传统大蒜的除草技术由于僵硬、更新速度慢,长期依赖单一的除草剂品种的情况没有改变,致使绝大部分大蒜田中的杂草越来越多,这其中尤以苋、藜、荠、蓼等双子 According to statistics from the UN Food and Agriculture Organization, the total area harvested in the world is 17,056,000 mu and the output is 14,050,000 tons. Among them, China’s garlic harvest area of ​​955.9 hectares, the output of 10.58 million tons, accounting for 75% of the world. In recent years, traditional weeding techniques of garlic due to stiff, slow update, the long-term dependence on a single species of herbicide has not changed, resulting in the vast majority of weeds in the garlic field more and more, of which especially amaranth, quinoa, Water chestnuts, Polygonum and other Gemini