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Aphids use 50% anti-Pulcan WP 8-10 g per mu, or 10% imidacloprid WP 10-15 g, and 45 kg spray to prevent and control.
Corn glutinous rice in the small trumpet period of corn, with 3% phoxim granules 0.5 kg per acre mixed with fine sand 7.5 kg, mixed and then sprinkled into the heart leaves, 1.5 to 2 grams per plant; or in the ears of silk 6 to 8 days after the start, spray control with 4.5% beta-cypermethrin EC or Kungfu 2.5% lambda-cyhalothrin 1500-2000 times.
The armyworm is sprayed with 25% diflubenzuron suspension or 4.5% beta-cypermethrin EC 1500-2000 times.
Helicoverpa armigera is sprayed with 4.5% beta-cypermethrin EC or Kungfu 2.5% lambda-cyhalothrin 1500-2000 times.