Production of green fruits, prevention of pests and diseases
The agricultural control law cultivates and cultivates varieties that are resistant to pests and diseases and virus-free seedlings, strengthens management, enhances tree vigor, and improves the ability of trees to resist pests and diseases. Clear dead branches, fallen leaves, rotten fruit, scrape the old rough surface, destroy the trunk and whiten the trunk, eliminate the source of diseases and insects.
Biological control method 1, the use of natural enemies of pests. Protect natural natural enemies and reduce the use of broad-spectrum insecticidal fungicides; followed by artificial feeding to release natural enemies, such as Trichogramma beetle, Coccinella septempunctata, etc.; 2. Use insect-like external stimuli. Hanging lures in orchards reduce male and female mating or interfere with mating. 3, make full use of modern physical science and technology. Such as the use of insecticidal lamps, insect traps, pests report lamp.
Critical period medication 1, vigorously promote pollution-free pesticides. 2. Use plant-derived pesticides. 3. The use of insect growth regulators such as diflubenzuron and carbenoxime can regulate the metamorphosis of insects and achieve the purpose of controlling pests. 4, the use of mineral source pesticides. Such as lime sulfur, Solibal and so on.
Pay attention to the scientific use of drugs, based on symptomatic pesticides, rational mix, alternate use, the basic principle of the protection of natural enemies, use of high efficiency, low toxicity, low residual chemical pesticides.
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