Corn borer is one of the important pests that harm corn and other crops, and its damage seriously affects the yield and quality of corn. In order to effectively control corn borer, the following are some specific and detailed control measures:
1.Ecological prevention and control.
Promote biological control: planting more resistant varieties such as BT genetically modified maize on a large scale to reduce dependence on chemical pesticides; Cultivate and release natural enemies such as parasitic wasps, establish a natural enemy composite system, and reduce the incidence of corn borer.
2.Agronomic measures.
Crop rotation and fallow: Reasonably arrange the farmland rotation and fallow system to reduce the area and years of continuous cropping corn, destroy the growth environment of corn borer, and reduce the occurrence of pests and diseases.
Reasonable dense planting: Reasonable corn dense planting technology is used to increase the competition between corn plants and reduce the reproduction and number of corn borer.
3.Chemical control.
Choose low-toxicity and high-efficiency pesticides: When corn borer is seriously harmed, low-toxicity and high-efficiency pesticides can be selected for spraying and control, but the instructions for the use of pesticides should be followed, and the dosage and frequency of use should be strictly controlled to avoid pollution to the environment.
Timing and precision spraying: Combined with the biological characteristics of corn borer, spraying pesticides is selected from the jointing to the tasseling period of corn to improve the control effect.
4.Technological innovation.
Application of information technology: Combined with modern information technology, the implementation of precision pesticide application, the use of remote sensing, GPS and other technologies, accurate grasp of the situation of pests and diseases, targeted control.
Green control technology: Explore the introduction and application of new green control technologies, such as plant extract spraying, biological pesticides, etc., to reduce the impact of chemical pesticides on the environment.
To sum up, by taking comprehensive control measures, combined with ecological, agronomic, chemical and technological innovation, we can effectively control corn borer, ensure the yield and quality of corn, and realize the sustainable development of agricultural production.
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