适乐时、敌萎丹悬浮种衣剂对小麦全蚀病的防治效果

Effect of Celest and Dividend Control to Take-all of Wheat

试验表明,2.5%适乐时悬浮种衣剂和3%敌萎丹悬浮种衣剂对小麦全蚀病均有一定的防治效果。其中,3%敌萎丹800mL/100kg种子处理对全蚀病防效最好,对根部全蚀病和白穗率的防效分别为76.12%和71.40%,较对照增产31.47%;2.5%适乐时200mL+3%敌萎丹400mL/100kg种子处理防效次之;其余处理防效相对较差。适乐时、敌萎丹拌种后小麦出苗整齐,生长健壮,未发现药害现象。

The results of test indicated that 2.5% celest and 3% dividend could control Gaeumannomyces graminis var. tritici at a certain degree. Effect of 3% dividend with the dosage of 800 ml.100kg-1 seeds was best. The inhibit percentage of root disease was 76.12% and the controlling effect of white head was 71.40%. At the same time, there was an yield increase of 31.47% than that of untreated check. Mixing seeds with 2.5% celest 200ml and 3% dividend 400ml·100kg-1 seeds achieved the second effect. Field application showed that it was safe to coat wheat seeds with 2.5% celest or 3% dividend, and threre was no harmful effect on the growth and development of wheat.