People's Daily Online, Beijing, March 13 (Reporter Li Dong) At present, wheat in major producing areas such as Huanghuaihai has entered the stage of turning green and jointing growth, which is the critical period for the prevention and control of wheat diseases, insects and weeds.

Recently, the Ministry of Agriculture and Rural Affairs held a video conference on prevention and control work, calling for the emphasis on the prevention and control of wheat stripe rust, so as to move the border forward, suppress the front and protect the back, reduce the risk of disease and pest outbreaks and disasters, and ensure that "insects take food" to win a bumper summer harvest. .

  It is understood that since March, the spread of wheat diseases and insect pests has accelerated significantly.

Statistics show that 84.63 million mu of major pests and diseases have occurred in wheat, an increase of 45% from the beginning of March.

  Among them, stripe rust has occurred in 600,000 mu of 153 counties and districts in 8 provinces, an increase of 50% compared with the beginning of March; sheath blight and stem base rot in Huanghuaihai wheat areas are gradually becoming symptomatic, and the occurrence of weeds in wheat fields in late-sowing wheat areas is serious In the previous year, the incidence base of wheat spiders, aphids and powdery mildew in some wheat areas was also significantly higher.

  Expert analysis shows that the proportion of weak seedlings in wheat this year is high, the growth period is delayed, fertilization to promote the weak and strong, and the increase of water consumption may lead to aggravation of pests and diseases.

As the temperature further rises, wheat diseases and insect pests will enter the peak period, and the monitoring and prevention work cannot be relaxed at all.

  "Affected by the rare autumn flood last year, 110 million mu of wheat in the five provinces of Hebei, Shanxi, Shandong, Henan and Shaanxi were planted late for about half a month, accounting for one-third of the wheat sown area." Liu Lihua, deputy director of the Planting Industry Management Department of the Ministry of Agriculture and Rural Affairs, said that although after With hard work, the area of ​​winter wheat is basically the same as last year.

  The relevant person in charge of the Ministry of Agriculture and Rural Affairs stated that the greening and jointing period of wheat is a critical period for the epidemic control of stripe rust and the prevention and control of aphid outbreaks. important window period for grass.

  "All localities should pay close attention to this year's prevention and control goals and tasks, and achieve 'two full coverages' during the rejuvenation and jointing period, namely: full coverage of wheat stripe rust 'managing and surface protection'; sheath blight, stem rot, wheat field weeds We will achieve full coverage of unified defense and rule in other re-emergence areas, resolutely curb large-scale epidemics, and ensure the safety of wheat production." The relevant person in charge said.

  According to the dispatch of the Ministry of Agriculture and Rural Affairs, in addition to the 400 million yuan special fund for the prevention and control of wheat pests and diseases recently allocated by the central government, Hebei, Jiangsu, Anhui, Shandong, Henan and other local governments have also raised 940 million yuan in prevention and control funds.

The Ministry of Agriculture and Rural Affairs requires that all localities should fully understand the complexity of the occurrence of wheat diseases and insect pests this year and the arduousness of prevention and control. Strengthen supervision and guidance, and strengthen publicity and guidance.

By adopting comprehensive prevention and control measures, we will strive to control the overall loss rate of pests and diseases within 5%, and strive to achieve the goal of "infesting the population" and promoting a bumper harvest.