Efficacy of Glufosinate for Controlling the Weed in Sweet Potato Field
[Aims] The study aims to research herbicides for substitution ofparaquat 200 g/L AS,the control effect of glufosinate 200 g/L AS,glyphosate isopropylarnine salt 41% AS and glyphosate potassium salt 43% AS was conducted for controlling inter-row weeds in sweet potato fields.[Methods] The control efficacy of different herbicides against weeds in sweet potato field and their safety to sweet potato were evaluated by filed foliage spray test.[Results] The control efficacy of the tested herbicides was above 85% on 15,30 and 80 d after treatment.Their yields increased by 13.89 to 46.17% compared to blank controls and increased by 1.10 to 29.76% compared to paraquat 200 g/L AS.[Conclusions] The tested herbicides can substitute paraquat for controlling inter-row weeds in sweet potato fields and are safe to sweet potato production.They can sigmficantly mcrease the sweet potato yields.
glufosinateglyphosate isopropylamine saltglyphosate potassium saltsweet potatoweed control