不同类型除草剂对苜蓿田反枝苋的防除效果研究

Study on Control Effect of Different Herbicides on Amaranth in Alfalfa Field

紫花苜蓿拥有优质的高蛋白且经济价值巨大,但苜蓿田杂草反枝苋的发生会影响紫花苜蓿质量和产量。文章以类型不同的5种除草剂作为研究对象,研究其对苜蓿田反枝苋防除效果。结果显示,苜蓿田反枝苋防效中,苗期茎叶处理除草剂效果较好的为苗期喷施苜草净1950 mL/hm^(2)。

Alfalfa has high quality protein and great economic value,but the occurrence of weed amaranth in alfalfa field will affect the quality and yield of alfalfa.In this paper,five herbicides of different types aree used as research objects to study their control effects on the reverse branch amaranth in alfalfa fields.The results show that in the control effect of reverse branch amaranth in alfalfa field,the best herbicide effect of stem and leaf treatment at seedling stage is to spray alfalfa Caojing 1950 mL/hm^(2) at seedling stage.