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Prediction of occurrence trend of major wheat diseases and insect pests in 2021

release date:2021/4/14 9:09:45 Views:525

On April 8, the National Agricultural Technology Center organized a network consultation on the occurrence trend of major wheat diseases and insect pests in China in the middle and late period of 2021. Wang Fuxiang, deputy director of the National Agricultural Technology Center, Wang Jianqiang, first-level researcher of the Plant Industry Management Department of the Ministry of Agriculture and Rural Affairs, and Kang Zhensheng, academician of the Chinese Academy of Engineering attended the meeting and made speeches.

Based on the current base, wheat varieties layout and development of diseases and pests, and the future trend of weather factors such as comprehensive analysis, plant diseases and insect pests in the middle of the country's wheat lay particular stress on the year, the overall significantly over all the year round and situational last year, including the heavy in the middle and lower reaches of the Yangtze river, jianghuai wheat pandemic, is expected to popular area of 100 million mu; Stripe rust occurred in Shaanxi, Hubei Jianghan Plain and the wheat area in the northwest of Hubei Province, with an area of 60 million mu. Aphids occurred in shandong and hebei provinces, covering an area of 200 million mu. The potential outbreak situation of stripe rust in wheat areas such as Huang-Huai-Hai area was large, especially in April, when the precipitation was more and the temperature was suitable. The strain of scab was sufficient, the resistance of wheat varieties was poor, and the susceptible period of wheat heading and flowering coincided with the precipitation process, so the epidemic risk was high.

In the face of the serious situation of wheat plant diseases and insect pests happen this year, around the meeting request earnestly implement the national major crops diseases and insect pests prevention and control work video will spirit, attaches great importance to the monitoring and early warning work, strengthen the field survey and information scheduling, carefully prepared in consultation with and forecast, to ensure accurate monitoring and early warning in time, for the effective prevention and control plant diseases and insect pests, seize summer grain harvest to provide a solid technical support.