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我县从1964年6月21日在芙蓉(原江西省彭泽棉试站)发现棉枯萎病以来。1975年普查已扩展到9个场、社,25个大队,108个生产队,561块棉地,发病面积发展到6008亩。给植棉生产带来很大威胁。为了摸清棉枯萎病发生规律,自一九六四年以来,我站先后对棉枯萎病的发病、症状、蔓延规律,及对棉花生产的影响和防治措施等作了一些调查和试验,现整理报导如下。一、发病症状棉花整个生育期均可发病,其病状、病态、表现多种多样。一般子叶期以黄化型为主,真叶出现后以绉肿型为多。5月下旬至7
My county from June 21, 1964 in Furong (formerly Pengze cotton test station in Jiangxi Province) found cotton blight since. The 1975 census has been extended to nine farms, clubs, 25 brigades, 108 production teams and 561 cotton fields, with an area of 6008 mu. Cotton plantation to bring a great threat. In order to find out the law of the occurrence of cotton blight, our station has made some investigations and tests on the incidence, symptoms and spread of cotton blight and its influence on cotton production and prevention measures since 1964. Arranged as follows. First, the symptoms of cotton throughout the growing period can be disease, its symptoms, morbidity, performance varied. Cotyledons usually yellow type, true leaves appeared after the type of crepe. Late May to 7