不同药剂防治水稻苗期立枯病效果的研究

Research on the Effects of Some Pesticides for Curing Rice Seedling Disease-Stem Rot

立枯病是水稻苗期主要病害 ,近年来 ,市场上销售防治立枯病的药剂较多 ,在选择药剂、使用方法、用药时期及防治效果等方面存在一些问题。为筛选出使用方法简单、价格低、效果好的药剂 ,进行了本试验研究。确认了苗病清、恶枯灵以每袋拌湿籽不超过 2 0kg效果较好。育苗灵 12 g/m2 2 5 0倍液 ,于育苗前进行土壤处理较为适宜。在三种药剂对比试验中 ,苗病清拌种效果好于恶枯灵和育苗灵。

Stem Rot is a fatal disease during rice seedling stage.Although there are different types of pesticides for sale,there are still some problems in choosing pesticide,applying method,applying time and the result of the pesticide.To find an easy\|handling,low price pesticide with good effect,we put up this experiment.Results are as follows.Each bag of Miaobingqing or Ekuling mixed with no more than 20kg wet seeds show good effect.For Yumiaoling,12 g/m\+2 with diluted to 250 times for soil treatment before sowing seeds is a wise choice.Among three pesticides mentioned above,Miaobingqing is beteer than the other two in seed treatment.It can increase rice yield.