22%杀菌威SL防治水稻穗期综合征田间试验初报

Controlling Spikestage Syndrome of Rice with 22% Shajunwei SL

用４种杀菌剂对水稻穗期综合征进行药效比较试验，以杀菌威不同质量浓度处理防效最高，较标准药剂禾枯灵高１０％～１５％。此外，杀菌威可明显刺激水稻生长，延缓功能叶衰老，较对照增产２２４％～１１４．６％。

The controlling effects of four fungicides on spikestage syndrome of rice were compared . The controlling effect of Shajunwei was the highest and the concentration used was lower than or equivalent to other ones. Its efficiency was higer 10%15% than the standard fungicide Heculing. In addition, Shajunwen could stimulate rice to grow and delay the senescence of functional leaves.The yield of rice could be raised to 22.4%114.6% higher than the blank test.