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发病与防治情况稻瘟病是临海县水稻的主要病害。自1956年开始进行大力防治以后,病害受到压制,为害逐年减轻。但由于多种原因,特别是推广了感病品种茶山京以后,1964年又严重复发,早稻发病面积34000亩,晚稻后期节瘟达20万亩。1965年病害流行更广,虽进行了防治,但是有的因为未能击中要害,有的因为防治不彻底,因此,早稻发病仍达10万亩。晚稻受害更重,
Occurrence and Control of Rice Blast is the main disease of rice in Linhai County. Since 1956, vigorous prevention and control have been carried out, diseases have been suppressed and their harm lessened year by year. However, due to a variety of reasons, especially after the spread of the susceptible variety Dashanjing, a serious recurrence occurred in 1964, with an area of 34000 mu for early rice and 20 million for late rice. Although the epidemic was even more widespread in 1965, prevention and treatment were carried out. However, some failed to hit the key, and some did not thoroughly control the disease. Therefore, the incidence of early rice still reached 10 million mu. Late rice victims more seriously,