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一、棉虫研究工作的进展我省棉虫研究工作,是在解放后的1951年开始的,现将建国三十五年来的主要结果,择要介绍如下: 1、棉叶蝉发生规律和防治方法的研究解放初期,棉叶蝉被认为是江西棉区的头号大害虫。据估计,当时由于此虫为害,籽棉损失约在45％左右。1951年初,省农科所即把棉叶蝉的发生规律和防治方法,列为重点研究课题之一。1951～1952年,查清了棉叶蝉的寄主植物有67种,在南昌一年可以繁殖十三、四代,初步提出了有效的防治意见;1952～1953年,通过调查,认为不同温度、湿度、光照和土壤条件,对棉叶蝉的发
First, the progress of research on cotton insects In our province, the research on cotton insects began in 1951 after the liberation. The main results of the 35 years since the founding of the People’s Republic of China are summarized as follows: 1. The occurrence and control of cotton leafhopper Study on the method In the early period of liberation, cotton leafhopper was considered as the number one pest in Jiangxi cotton area. It is estimated that due to the pest damage, the loss of seed cotton was about 45%. At the beginning of 1951, the provincial agricultural science institute put the occurrence and control methods of cotton leafhopper as one of the key research topics. From 1951 to 1952, 67 species of host plants of cotton leafhoppers were identified, and thirteen and four generations of them could be propagated in Nanchang a year. Preliminary opinions were put forward for effective prevention and treatment. From 1952 to 1953, through investigation, it was concluded that different temperature, Humidity, light and soil conditions, the hair of the cotton leafhopper