新型杀菌剂氯氟醚菌唑对花生叶斑病的田间防效评价

Field Control Effect of a New Fungicide Mefentrifluconazole on Peanut Leaf Spot

[目的]明确新型杀菌剂400 g/L氯氟醚菌唑悬浮剂对花生叶斑病的田间防效。[方法]2018—2019年于山东烟台进行了田间药效试验。[结果]400 g/L氯氟醚菌唑悬浮剂100~140 g a.i./hm^2对花生叶斑病防效显著,末次药后10 d防效达86.67%~93.60%,优于对照药剂70%甲基硫菌灵可湿性粉剂。[结论]400 g/L氯氟醚菌唑悬浮剂能有效防治花生叶斑病,具有较好的应用前景。

[Aims]This study aims to clarify the field efficacy of the new fungicide 400 g/L mefentrifluconazole SC against peanut leaf spot.[Methods]Field trials were conducted in Yantai,Shandong Province in 2018 and 2019 by spray method.[Results]Mefentrifluconazole 400 g/L SC was effective on peanut leaf spot at 100-140 g a.i./ha,and the control effect was 86.67-93.60%at 10th day after treatment,it was superior to thiophanate-methyl 70%WP.[Conclusions]Mefentrifluconazole 400 g/L SC is an ideal agent for control of peanut leaf spot and has a good application prospect.