(2) The combination of sex pheromones and chemical pesticides uses sex pheromones to induce pests to contact with chemical sterilants, viruses, bacteria, etc., and then fly away from other insects to spread, which may lead to epidemics in the entire population. The offspring are infertile and achieve the purpose of eliminating pests.
Second, the use of natural enemy control Artificial collection of natural enemy eggs, larvae or cockroaches, placed in the sand network, to create natural enemies breeding and wintering places, after the natural enemy feathering released in the field to feed. If the park releases Trichogramma, it can control apple leaf curler, pear small heartworm, etc.; use grasshopper to control apple red spider, aphid, hibiscus and some scale insects.
Third, the use of other beneficial organisms to control beneficial organisms can prey on a large number of pests, which should be protected and utilized in production. Such as frogs, toads, geckos, bats, birds and poultry.
Fourth, the use of biological pesticides prevention (a) 1.5% multi-antimycin WP powder sprayed 300 times to 500 times in the flowering period to prevent mildew. Spraying the leaf spotted leaf deciduous disease and fruit red spot disease before bagging apple bagging from 7 days to 10 days after flowering. It also has good control effect on ring disease, rotten fruit disease and anthracnose disease.
(B) 2% agricultural anti-120 water agent with 10 times liquid, smeared after scraping the apple rot disease. It can also be sprayed twice during the growing season.
3 times, prevention and control of powdery mildew, anthrax and so on.
(3) BT wettable powder To prevent and control peach small heartworm, spray 500 times to 1000 times liquid when the egg fruit rate reaches 1%. Lepidopteran pests such as the moth, the scorpion, and the caterpillar are sprayed with 1000 times in the young larvae.
(4) 25% of the chlorfenapyr suspension No. 3 has special effects on lepidopteran pests.
(5) 20% of the chlorpyrifos suspension agent is a fluorine-containing insecticide, which has good egg-killing and insecticidal effects and has a long-lasting effect. The control of the golden moth is used at a concentration of 8000 times.
(6) 5% of the chlorfluazuron suspending agent (the chlorpyrifos No. 4) The use of 2000 times liquid for the control of the golden moths; the control of the peach larvae, spraying 1000 times to 1500 times before the larval spawning of the adult larvae.
(7) 1.8% Qishensu EC. Control of Hawthorn Red Spider and Apple Red Spider, spraying 5000 times liquid 7 to 10 days after falling flowers. It also has good control effect on the two-spotted spider mites, scutellaria, and gold-streaked moths.
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