水稻纹枯病重发原因及药剂防治技术

Cause Serious Incidence of Rice Sheath Blight Disease and Its Chemical Control Techniques

纹枯病在高邮市水稻上重发的原因在于大面积种植高感品种、氮肥用量偏高、夏季多雨的高湿气候等。其防治应在种植抗病品种、注意湿润灌溉、合理施肥的基础上,重点选用优良药剂,及时开展综合防治措施。

The reason of the burst of rice sheath blight disease in local area is the susceptible breed in large area,a little expensive use of nitrogen fertilizer and the rainy climate in summer etc.Based on planting not susceptible breed and reasonable fertilizing,the key of counter measure is choosing excellent chemicals and comprehensive methods in time.