Corn borer (corn borer) is a major pest of corn. In severely hazardous years, maize production can be reduced by more than 20%. Its larvae intruded into the main stem and ears, can break the main stem of corn, resulting in reduced yield and quality of corn. In the past, prevention and control of corn borers used medicinal liquids for irrigation, spraying, or poisonous soil sagging, which was both labor- and cost-effective, and easily caused damage to crops and human and animal poisoning. The use of granules to control corn borer is not only cost-effective, labor-saving and labor-saving, but also difficult to cause human and animal poisoning and crop damage. Should master the following points: First, ingeniously grasp the appropriate period of prevention and cure: The application of the big bell-mouth period at the end of corn leaf is the best period for prevention and treatment. Second, to master the appropriate dosage: 3% phoxim granules per acre corn field 0.25-0.4kg. Third, the spraying method (a) point spreader method. The granules are loaded into the dispenser and the handkerchief is placed on the corn horn. (b) hand pinching method. With a thumb and forefinger, take a small amount of granules and sprinkle it into the heart. After the work is completed, wash hands with soap and water in time.
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