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我县自1983年以来,以种植抗病品种中棉12号为主,结合轮作换茬、无病土育苗移栽等综合防治措施后,控制枯萎病蔓延取得较好的经济效益,现将无病土育苗移栽试验和推广情况介绍如下: 1、对发病的影响。试验设无病土制钵与有病土制钵(对照)二个处理,都用40%的多菌灵胶悬剂浸种。通过调查,8月20日播种到三叶期(4月17日),对照的棉苗开始发病,4月28日,病土育苗的棉苗有20%
Since 1983, the county has mainly planted the resistant cotton variety Zhongmian No.22, and achieved good economic benefits by controlling the spread of wilt disease after comprehensive control measures such as crop rotation and seedless transplanting, Soil test transplanting and promotion of seedlings are described below: 1, the impact of the disease. The experiment set the soilless mortar and the diseased mortar (control) two treatments, both with 40% of the carbendazim suspension. Through the investigation, August 20 sowing to the three-leaf stage (April 17), the control of the cotton seedlings began to attack, April 28, the nurturing of seedling cotton seedlings have 20%