越冬之星苜蓿除草剂品种和使用方法筛选试验研究

The Test Use of Herbicides Screening of Winter Star Alfalfa

目的:探讨研究除草剂对越冬之星苜蓿耐药性的影响,可筛选出对越冬之星苜蓿无药害的除草剂品种和使用方法.方法:通过小区试验,在越冬之星苜蓿分枝期对各除草剂处理苗情和草情进行观察记载.结果:越冬之星苜蓿除草剂品种无药害和使用方法是越冬之星苜蓿播种后出苗前喷雾药剂处理;除草剂品种有75%阔叶散、5%金普施特、4%金豆和10%利收.结论:越冬之星苜蓿无药害的除草剂品种和使用方法推荐5%金普施特播后苗前和苗后2-4叶期喷雾.

In order to select herbicide and its usage which has no phytotoxicity on Winter Star Alfalfa,the herbicide resistance of the influence on Winter Star Alfalfa was investigated.In this experiment,it is observed and recorded that the herbicide has effect on seeding conditions and grass conditions in the period of Winter Star Alfalfa mycobacterium.Star of alfalfa winter injury and the usage of herbicides is no Star of alfalfa winter after sowing pre-emergence spray chemical treatments,75% of broadleaf herbicides powder,5% Jinpushite,4% gold and 10% interest income beans.The herbicide which has no phytotoxicity on Winter Star Alfalfa was 5%JINDOU.The recommend method was spraying after seeding and after 2～4 leaves.