近些年来,早稻稻瘟病的发生有逐年加重的趋势,常会在短期内成灾,成为一些地区早稻高产的障碍因子。我们在调查研究的基础上,找出了该病的主要流行因素,制定了综合防治对策,取得了明显的防治效果。 In recent years, the occurrence of rice blast in early rice tends to increase year by year, often causing disaster in the short term and becoming the obstacle factor for the high yield of early rice in some areas. Based on the investigation and study, we found out the main epidemic factors of the disease, formulated comprehensive prevention and control measures and achieved obvious prevention and control effects.