不同药剂对甘蔗田杂草的田间防效评价  

Control Effects of Different Herbicides on Weeds in Sugarcane Fields

作　　者：李金梁 李孝敬 角兴繁 黄家卫 尹红星[1] 胡永亮[1] LI Jin-liang;LI Xiao-jing;JIAO Xing-fan;HUANG Jia-wei;YIN Hong-xing;HU Yong-liang(Yunnan Dehong Institute of Tropical Agricultural Science,Ruili 678600,PRC;Yunnan Hengyuan Testing Technology Co.,Ltd.,Kunming 650100,PRC)

机构地区：[1]云南省德宏热带农业科学研究所,云南瑞丽678600 [2]云南衡原检测技术有限公司,云南昆明650100

出　　处：《湖南农业科学》2025年第2期64-67,共4页Hunan Agricultural Sciences

基　　金：云南省科技人才与平台计划(202205AD160041);德宏州技术创新人才培养项目(2023RC005)。

摘　　要：为明确云南省德宏州蔗农常用除草剂对甘蔗田杂草的防治效果,研究选择56%甲·灭·敌草隆可湿性粉剂、15%硝磺草酮悬浮剂和38%硝·灭·氰草津可湿性粉剂进行田间药效试验。结果表明:3种药剂在推荐使用剂量下对甘蔗田杂草均有较好的防效;药后15 d,3种除草剂对甘蔗田总草的株防效为94.31%~95.74%;药后40 d,3种除草剂对甘蔗田总草的防效均达97%以上;3个药剂处理均未发现药害现象,甘蔗生长相对安全。因此,这3种除草剂可推广应用于甘蔗田的杂草防治,建议在甘蔗3~5叶期,杂草长至10 cm左右时使用推荐制剂量施药。This study aims to determine the control effects of different herbicides on weeds in sugarcane fields in Dehong,Yunnan.Field control experiments were carried out with 2-methyl-4-chlorophenoxyacetic acid(MCPA)-ametryn-diuron 56%WP,mesotrione 15%SC,and mesotrione-ametryn-cyanazine 38%WP.The results showed that the three herbicides had good control effects on weeds in sugarcane fields at the recommended doses.The control effects of the three herbicides on the total weeds in sugarcane fields varied between 94.31%and 95.74%on day 15 after application and exceeded 97%on day 40 after application.None of the three herbicides showcased phytotoxicity,and the recommended doses were safe for sugarcane growth.Therefore,the three herbicides can be promoted and used in the control of weeds in sugarcane fields.The herbicides should be applied at the recommended doses during the 3-to 5-leaf stage of sugarcane when the weeds grow to about 10 cm.

关 键 词：甘蔗 杂草 田间药效 防效评价 

分 类 号：S451.2[农业科学—植物保护]