It is only one month since the wheat harvest was completed. Using this period of time, every effort is made to strive for a bumper wheat harvest this year, which is of great significance for stabilizing food production throughout the year. Not long ago, the National Agricultural Technology Extension and Service Center pointed out when the trend of major crop diseases and insect pests in the country in 2001 pointed out that the degree of occurrence of wheat pests and diseases will be heavier than that of the previous year, and insect pests will be more important than diseases, mainly wheat wheatworm, wheat spiders and wheat bran. . According to this, relevant experts believe that the following prevention and control work should be done: 1. Strengthen inspection and monitoring of insect pests. At present, wheat midge still expands to the north in Hebei Province. For example, in Ganzhou City in 1999, the area was 300,000 mu, accounting for 82.2% of the wheat sown area; in 2000, 405,000 mu, accounting for 73.5% of the wheat planting area, was produced each year. There are absolutely no plots. Adult midge insects can be transmitted by wind and are now endangering the wheat fields in the neighboring Beijing Fangshan County. The species of wheat spiders enjoys drought, and in areas where there is continuous drought, it is necessary to prevent its “insects from taking advantage of drought†and “drought-inducing insectsâ€. Wheat bran has been seriously affected for many years. It is necessary to pay attention to its ecological potential in Huanghuaihai and northern wheat regions. 2. In terms of prevention and control, a comprehensive prevention and control method based on chemical control shall be adopted according to the actual conditions. Now that the wheat harvest is near, we should use low-toxicity varieties and use pesticides scientifically and rationally. 3. Now that some people have numbness, luck and fear of trouble with pest control, scientific and technical personnel must go deep into practice and guide the majority of farmers to do a good job in prevention and control.
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