硝磺草酮等复配剂对蔗田杂草的防治效果

摘要

In order to solve the herbicide resistance caused by the long-term use of single herbicide and screen formula with high efficiency, safety and environmental protection, field trials were conducted in Guangdong in 2016 to evaluate the 3 herbicides combination in sugarcane field. The experimental results showed the inhibition ratio and control effect of combination (mesotrione+clopidosulfuron+ametryn) were 88.51% and 93.59%; the values of other two combinations were 62.13%~67.87%, 73.89%~78.71%, respectively. The experiment provides scientific basis and theoretical guidance for screening of sugarcane field herbicide.%为了解决蔗田长期使用单一除草剂带来的抗性问题,筛选高效、安全、环保的除草剂新配方,2016年特在广东湛江进行了几种除草剂配方筛选及对照试验.结果表明:硝磺草酮+氯吡+莠灭净三者混配对蔗田杂草的总抑制率达88.51%,防治效果达93.59%.敌草隆+氯吡+莠灭净组合配方和硝磺草酮+氯吡+异丙甲草胺配方对蔗田杂草的总抑制率67.87%和62.13%,总防除效果为78.71和73.89%;与敌二莠、硝磺草酮、莠灭净和莠去津单剂相比,硝磺草酮+氯吡+莠灭净组合配方提高了防效,扩大了杀草谱,适合在蔗田使用.