On July 5-6, the Provincial Plant Protection Station held a meeting of the 2018 autumn crop major pests and diseases occurrence meeting in the province. The forecasting technicians and related experts from various provincial cities, straight counties and some key regional stations visited the main pests and diseases of corn in our province. The trend occurred and the analysis was conducted. According to the comprehensive analysis of factors such as the number of pests, crop layout and weather conditions, it is expected that the main pests and diseases in the middle and late stages of maize in our province will be more serious in 2018, with a total area of ​​180 million mu, including three generations of corn borer, four generations of cotton bollworm and corn. Southern rust and other serious occurrences, three generations of armyworm, corn borer, brown spot disease, Curvularia leaf spot, corn leaf spot, etc. will be biased in local areas. Main pest and disease trends Corn borer: The second generation occurs lightly, with an area of ​​about 14 million mu. The damage period is from late July to mid-August; the three generations occur heavily, with an area of ​​28 million mu. The damage period is from late August to mid-September. . Corn borer: moderate occurrence, localized in Nanyang, Shangqiu, Luoyang and other places, the area of ​​about 15 million mu, the damage period from early August to early September. Three generations of armyworms: moderate occurrence, Luoyang, Sanmenxia, ​​Jiaozuo, Zhumadian and other places have a partial bias, the area of ​​about 3.5 million mu, the damage period from late July to early August. Helicoverpa armigera: The third-generation cotton bollworm occurs lightly. The damage period is from mid-July to early August, and the area is about 10 million mu. The fourth-generation cotton bollworm is heavier, and the damage occurs from late August to early September. The area is about 16 million mu. Beet armyworm: It occurs lightly, and it is affected by the mid-July period to the beginning of September. The area is about 6 million mu. Southern rust of corn: the occurrence of heavy weight, the area of ​​about 14 million mu, the damage period from late August to mid-September. Corn small spot disease: moderate occurrence, local heavy weight occurred in Shangqiu, Kaifeng and other places, with an area of ​​11 million mu, and the damage period is from early August to mid-September. Brown spot disease: moderate occurrence, Xinxiang, Nanyang, Zhoukou, Jiaozuo and other places occur locally, with an area of ​​9.5 million mu, which is the mid-July to early August. Curvularia leaf spot: moderately occurring, localized in Nanyang, Zhoukou, Shangqiu, Zhumadian, Pingdingshan, Yongcheng, etc., with an area of ​​about 9 million mu, which is the end of July from late July to late August. Corn big spot disease: occurs lightly, and Sanmenxia, ​​Luoyang, Jiyuan and other places occur moderately, with an area of ​​about 6 million mu. The damage period is from early August to mid-September. Corn top rot: occurs lightly, local partial weight occurs, the area of ​​about 1.5 million mu occurs, and the damage period is from late July to early August. Other pests and diseases: snails occur locally in Zhoukou, Kaifeng and other places, with an area of ​​about 3 million mu; the sputum is light, and the occurrence of lodging is heavier, with an area of ​​about 4 million mu; corn stem rot: light Occurred, the area of ​​about 3 million mu occurred, and the damage period was from mid-August to mid-September; corn black powder occurred in some susceptible varieties. The website URL: Forecast of the occurrence trend of main diseases and insect pests in the middle and late stages of maize in Henan Province in 2018 Alcohol Spray,Spray Hand Sanitizer,Hand Sanitizer Alcohol,Hand Sanitizer Liquid Wuxi Keni Daily Cosmetics Co.,Ltd , https://www.kenidailycosmetics.com