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福建省植保站日前称,全省中稻进入破口抽穗期,也是防治穗颈瘟的关键时期。据近期不完全统计,全省中稻叶瘟已发生6万亩,较去年增加15%。当前各地叶瘟发病点较多,分布较广,菌源广泛存在。据周宁县植保站在本地糯稻田调查,病叶率22.5%~64.5%,病丛率77%~100%,病指6.5~32,急性型病斑13.5%~47.5%,加权平均病叶率43%,病丛率88%,病指10.3,急性型病斑26.3%,当地糯稻占全县水稻面积
Plant Protection Station in Fujian Province recently said that the province’s medium-sized rice into the breach heading stage, but also the key period to control panicle blast. According to recent incomplete statistics, the province’s rice blast has occurred 60,000 mu, an increase of 15% over last year. The current incidence of leaf blast more around the wider distribution, widespread bacterial sources. According to Zhouning County Plant Protection Station glutinous rice in the local survey, the diseased leaf rate of 22.5% to 64.5%, disease Cong rate of 77% to 100%, the disease index of 6.5 to 32, acute lesions of 13.5% to 47.5%, the weighted average disease leaf rate 43%, sick plexus rate of 88%, disease index of 10.3, 26.3% of acute lesions, the local glutinous rice county area of rice