Species Analysis and Control of Weeds in Tobacco Field in Shaoyang City
In order to control weeds and protect the healthy growth of tobacco effectively in tobacco fields in Shaoyang City,we investigated the weed species.Then,on the basis of the previous optimization of herbicide mixture(fluoroglycofen+sulfosulfuron),the synergistic effect of self-made adjuvant was verified through an investigation of weeding effect 30 days after application.The results showed that there were 42 species of weeds in tobacco fields in Shaoyang City,belonging to 22 families and widely distributed in tobacco fields.The self-made adjuvant mixed herbicides had good weeding effect.After 30 days of application,the total plant control effect of sulfometuron methyl+fluoroglycofen+adjuvant 3000 times solution was 95.44％,the total fresh weight control effect reached 97.19％,and was safe to tobacco.The self-made adjuvant and herbicide mixture can reduce application and promote efficiency,providing reference for effective control of tobacco weeds.
tobacco fieldweedadjuvantchemical weedingreducing application and promoting efficiency
万方数据
维普
