Abstract:
In order to improve the control effect of potato bacterial diseases,through 20% zinc thiazole one-time seed dressing,potato black leg,potato bacterial wilt,patoto ring rot and potato common scab were compared under field cultivation.The experimental results showed that the seed dressing of 20% zinc thiazole can effectively control the potato bacterial diseases,it had the best control effect on potato black disease,bacterial wilt and ring rot,the control effects were more than 75%,100% and more than 74.93%,respectively.20%zinc thiazole dosage of 1.20 kg·hm
-2 had the best control of potato scab,the control effect was 74.31%,and had the obvious effect to increase production,compared with blank control,the increase was 20.94%.