5种药剂防治水稻纹枯病效果试验

Test of Control Efficacy of Five Medicaments on Controlling Rice Sheath Blight

摘要: 水稻纹枯病在建瓯市徐墩镇发生日趋严重，为提高水稻纹枯病的防治效果，选用30%爱苗乳油、24%满穗悬浮剂、43%好立克悬浮剂、25%丙环唑乳油、20%井冈霉素可湿性粉剂等对水稻纹枯病进行药效试验。结果表明：每667 m²用30%爱苗乳油15 mL、24%满穗悬浮剂20 mL防治纹枯病效果最佳，药剂对水稻生长安全且持效期长，如只喷施1次药剂的情况下，建议每667 m²选用30%爱苗乳油15 mL或24%满穗悬浮剂20 mL。

Abstract: Rice sheath blight at Xudun Town, Jian'ou City was increasingly serious in recent years. In order to improve control efficacy of rice sheath blight, efficacy test of 30% Armure EC, 24% Pulsor SC 43% Ricket SC, 25% Propiconazole EC and 20% validamycin was carried out. The results showed that the control efficacy of 15 mL 30% Armure EC and 20 mL 24% Pulsor SC per 667 m² reached highest level. Moreover, 30% Armure EC and 24% Pulsor SC had safe effects and long persistence period on rice growth. If sprayed one time, it was suggested to spray 15 mL 30% Armure EC or 20 mL 24% Pulsor SC per 667 m².