寒地水稻叶部病害发生的主要原因及防治措施

Main Reason and Prevention Measures of Rice Leaf Disease in Cold Region

对红叶子产生的主要原因进行分析,根据菌源量、感病品种的连续大面积种植、栽培管理不当、气象因素等提出具体的防治措施,如清除菌源、选用早熟抗病品种、培育壮秧、合理施肥、做好预测预报,及时防治。

The main causes of red leaves were analyzed according to the ample source of bacteria, irresistancal varieties cropping in the continuous area, unsuited cultivation management, meteorological factors, etc. The specific mitigation measures were put forward such as remove bacteria source, choose precocious disease--resistant cultivars, cultivate process, fertilization rationally, complete the forecast and prevent timely.