4种除草剂防治大樱桃园杂草试验

Efficacy Test of Four Herbicides Against Weeds in Cherry Orchard

摘要: 选用了安全剂量的4种常用除草剂质量分数为50%草甘膦SP、41%草甘膦异丙胺盐AS、36%草甘膦草铵磷AS、18%草铵膦AS对大樱桃果园主要杂草进行了防除效果试验,结果表明,4种药剂在使用剂量下均可有效防除大樱桃果园主要杂草,且对果树安全。质量分数36%草甘膦草铵磷AS在1 620 g/hm²用量下,15 d和30 d的株防效分别达97.3%和92.6%,30 d的鲜质量防效达99.4%,效果最好,可高效防除大樱桃果园一年生主要杂草。

Abstract: An experiment of weed prevention and control weed for cherry orchard by applying four safe dose herbicides,50% of liquid glyphosate SP,41% of isopropyl amine saline AS,36% of glyphosate ammonium phosphate AS and 18% of glufosinate ammonium AS were conducted.The results showed that it could prevent and control the annual important weed effectively and was safe to the cherry orchard.The recommended dosages was 1 620 g/hm~2 at the vigorous growth stage with spraying stem and leaves.The ratio of individual weeding of 15 d and 30 d was 97.3% and 92.6%.The ratio of fresh weight of 30 d was the best effect at 99.4%,it could prevent and control the annual main weed effectively.