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去年,铁岭地区部分县玉米大、小斑病流行较广,危害较重,给农业生产造成了损失。为了搞清玉米斑病的发生情况,总结防治经验,我们组织两个调查组去西丰、昌图两县进行了调查。昌图县玉米斑病发生面积100万亩,占玉米面积的58.8%,约减产9.000万斤;西丰县玉米被害面积20万亩,占玉米面积的69.4%,约减产2.000万斤。斑病的发生及危害玉米斑病去年于7月中下旬起陆
Last year, some counties in Tieling County, large and small spotted epidemics were widespread and harmed seriously, causing losses to agricultural production. In order to find out the occurrence of corn streak and summed up the experience in prevention and treatment, we organized two investigation teams to investigate in Xifeng and Changtu counties. Occurred in Changtu County corn spot area of 100 mu, accounting for 58.8% of corn area, about cut 90000 kilograms; Xifeng corn acreage of 200000 acres, accounting for 69.4% of corn area, about cut 20000 kilograms. The occurrence of spot disease and endangered corn streak disease in late last year in late July