温郁金弯孢霉叶枯病病原菌的药剂筛选

Screening Fungicides for Pathogen of Curvularia Leaf Blight on Curcuma wenyujin

[目的]筛选合适的药剂控制温郁金弯孢霉叶枯病。[方法]选用5种农药,采用生长速率法和抑菌圈法对温郁金叶枯病病原菌进行室内筛选。[结果]80%代森锰锌WP对温郁金弯孢霉叶枯病防治效果最好;50%咪鲜胺锰盐WP次之;50%多菌灵WP、75%百菌清WP和70%甲基硫菌灵WP无抑菌效果。[结论]80%代森锰锌WP和50%咪鲜胺锰盐WP对弯孢霉叶枯病有明显的抑制作用。

[ Objective ] In order to control Curvularia Leaf Blight on Curcuma wenyujin. [ Method ] Five fungicides were used to screen by mycelia growth rate method and inhibition zone method. [ Result ] The results showed that the effect of 80% Mancozeh WP was the best to Curvularia clavata, 50% prochloraz-manganese chloride complex WP was lower. However, WG 50% carbendazim, 75% chlorothahmi[ WP and 70% thiophanate-methyl WP have no effect on the pathogen of Curvularia Leaf Blight. [ Conclusion] 80% Mancozeb WP and 50% prochlorazmanganese chloride complex WP had obvious inhibitory effect on the pathogen of Curvularia Leaf Blight.