In the second half of the year, major crop diseases and pests in Hebei Province will generally occur moderately

Hebei News Network News (reporter Zhao Hongmei) learned from the Chamber of Commerce of agricultural pest occurrence trends in Hebei Province in the second half of 2019 held at the end of June that according to the occurrence of diseases and insects in the early stage, the investigation of the base number of diseases and insects, combined with the comprehensive analysis of factors such as agricultural planting structure, farming methods, variety resistance, ecological conditions and meteorological forecasts, coupled with the actual occurrence of diseases and insect pests in various places in late June, experts expect that the overall occurrence of major crop diseases and insect pests in the province in the second half of 2019 will be moderate.

Expert analysis, in the first half of July, the opportunity for adult grassland moths to enter the main corn-producing areas in the north such as Huanghuaihai and North China increased, especially the need to pay attention to the occurrence of the main summer corn-producing areas in the province, timely monitoring and prevention and control of insect conditions, and strictly prevent the harm caused by missing seedlings and ridges.

At present, the spring maize in the north of Hebei Province is in the jointing stage to the trumpet mouth stage, the early sown spring maize in the central and southern parts has been eared, and the summer maize is in the seedling emergence to 6 leaf stage. At present, the overall occurrence of corn diseases and insect pests in our province is medium and local, and the migratory pests armyworm and the whirling night moth have a high density of concentrated harm in the local area. In the second half of the year, the overall occurrence of diseases and insect pests in the middle and late stages of corn in our province was moderate, and the local bias occurred heavily, mainly drilling moths, leaf-eating, stinging pests and leaf diseases, and armyworms had the possibility of concentrated harm in local areas.

This year, the overall occurrence of the East Asian flying locust autumn locust in Hebei Province will be light, with an area of about 1.4 million mu. Autumn locust flies occur around August 10 in the central and southern parts of our province and in the north in mid-August, and the occurrence areas are mainly distributed along the coast, Baiyangdian, reservoirs, and around the river pan. The agricultural and pastoral staggered areas on the dam and the dam area in our province are light, and the autumn soil locust is expected to occur about 2 million mu.

Potato late blight is generally mild in the Bashang area of Hebei Province, and local fields will be more severe. The overall incidence of diseases and insect pests in cotton in the middle and late period is moderate. Among them, cotton boll disease and cotton blind bugs are generally medium, and local bias occurs. It occurs moderately in whitefly, whitefly, aphids, and red spiders. Three generations of cotton bollworm and cotton verticillium wilt occur mildly.

It is expected that the overall incidence of flower disease and insect pests in Hebei Province will be moderate in the second half of the year. Among them, peanut leaf spot disease occurs lightly, locally heavy, scab, stem rot, anthrax, green blight and rust occur lightly. Three generations of cotton bollworms occur moderately, and beet nocturnal moths occur more heavily in some areas.

The main diseases and insects of vegetables are moderately occurring in general, and the local bias is heavy. Among them, cucumber downy mildew, cucumber powdery mildew, cucumber bacterial horn spot disease, cabbage downy mildew, eggplant verticillium wilt disease are more severe. Tomato early blight, tomato late blight, cucumber target spot disease, brown stripe disease, cabbage soft rot, green pepper blight, celery leaf spot disease are moderately occurring, and locally biased. Virus diseases of carob rust, melons, solanum, and cruciferous vegetables are mild to moderate, and localized root-knot nematode disease is more severe. The occurrence of tomato yellowing curvature virus disease is greatly affected by disease-resistant varieties, and non-disease-resistant tomato varieties will be more serious, and tomato bacterial medullary necrosis will show an upward trend.