88%水合霉素可溶性粉剂防治大白菜软腐病的田间药效试验

Field Trial of 88% Wetable Powder of Oxytetracycline hydrochloride against Soft Rot in Autumn Chinese Cabbage

田间药效试验表明 ,88 %水合霉素可溶性粉剂对秋季大白菜软腐病有较好的防治效果 ,3000倍稀释液防效达91.63%。其防效明显优于77

The result of field trials indicated that 88% wetable powder of oxytetracycline hydrochloride had good effect for controlling soft rot of autumn Chinese cabbage. The effect of control using 3000 times dilution of 88% oxytetracycline hydrochloride was 91.63%,it was better than that of 77% copper hydroxide apparently.