新型生物杀菌剂新奥霉素防治烟草花叶病毒病的田间药效

摘要

Xinaomycin is a new biological fungicide. A field trial of Xinaomycin 4% AS against tobacco mosaic virus (TMV) was carried out in a tobacco field. The results showed that the control efficacies of Xinaomycin 4% AS at the application dosage of 900 mL/hm2, 1350 mL/hm2 and 1800 mL/hm2 against TMV were 64.09%, 72.19% and 75.69% in 7 days after the third spraying. It was significantly higher than moroxydine hydrochloride + copper acetate 20% WP.%新奥霉素是一种新型生物杀菌剂.对4％新奥霉素水剂防治烟草花叶病毒病进行了田间试验,结果表明,4％新奥霉素水剂对烟草花叶病毒病有很好的防治效果,第3次施药后7d,900mL/hm2、1350 mL/hm2和1800 mL/hm2处理对烟草花叶病毒病的防效分别为64.09％、72.19％和75.69％,其效果明显高于对照药剂20％吗胍·乙酸铜可湿性粉剂.