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针对玉米发生的主要病虫害进行综合防治。其技术要点如下:一、清洁田园。早春要清洁田园,处理病虫越冬寄主及场所,有效地压低菌源、虫源、减少初侵染源。二、选用抗耐病品种、适期播种。选用抗耐病品种做好种子处理、土壤处理、地膜覆盖、生物覆盖、适期播种和杂草防除工作。用于生物覆盖的玉米秸秆要压后使用,在病毒病常发区,全面实施地膜覆盖;玉米矮花叶病发生区要适期早播;粗缩病发生区要适期晚播。
For the main pests and diseases occurred in corn comprehensive prevention and treatment. The technical points are as follows: First, clean the pastoral. Early spring to clean the pastoral areas, handling pests and parasites winters and places, effectively reduce bacterial sources, insect sources and reduce the initial source of infection. Second, the selection of resistant varieties, sowing on schedule. Selection of resistant varieties of seed treatment, soil treatment, mulching, biological coverage, sowing and weed control work. For biological coverage of corn stalks to be used after the pressure in the virus-prone areas, the full implementation of plastic film coverage; maize dwarf mosaic disease early to moderate seeding;