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今年早季在南靖县良种场进行水稻品种(材料)抗稻瘟筛选鉴定。由于该场为非典型稻瘟病病区,虽于分蘖盛期到该县典型重病区船场公社西坑大队挖了2000余株严重病株(汕优3号、红410及桂朝3号等品种)插入诱发行,但发病仍不充分。晚季抗病鉴定点移到南靖县船场公社农科所。该所地处山垅,四面环山,气流不畅、早晚雾露重,土质沙壤、偏酸,是多年来典型的稻瘟病重病区。今年晚季通过增施氮肥,发病仍比较严重。现将筛选鉴定结果报导如下。
Earlier this year in Nanjing County, good varieties of rice varieties (materials) screening of rice blast screening. Due to the atypical rice blast disease area, although more than 2000 serious disease isolates (Shanyou 3, Red 410 and Gui Chaoyu 3) were dug up to the Xikeng Brigade of the Shipyard Commune in the typical serious ward of the county during the tillering stage Variety) Insert induced line, but the incidence is still not sufficient. Late identification point of resistance moved to Nanjing County Shipyard Commune Agricultural Institute. The mountain is located in the mountains, surrounded by mountains, poor airflow, fog sooner or later, soil sandy soil, acidic, is a typical years of rice blast disease. Later this year by increasing nitrogen fertilizer, the incidence is still more serious. The screening results are reported below.