Phoxim is also known as acrylonitrile and phoxim. Orchard advocates the use of low toxicity, low residue and biological pesticides to produce safe and safe fruits, which has become an important measure and the first choice for improving the comprehensive benefits of fruit in China. The application and prevention of phoxim in fruit trees are as follows:
1. Types of phoxim preparations <br> 50% phoxim emulsifiable concentrate, phoxim 25% microcapsule suspension, phoxim 3% and phoxim 5% granules.
Second, the toxicity of phoxim preparations
The agent is low in toxicity to humans and animals, and highly toxic to fish, bees and natural enemies.
Third, the role of phoxim 1 phoxim is an organophosphate insecticide , mainly to inhibit the activity of the choline ester of the pest, causing the poisoning to die.
2 It has the characteristics of broad spectrum, low toxicity and low residue; it has a wide spectrum of insecticides, quick effect, short residual period, and easy to decompose.
3 The larvae of the lepidopteran pests and the soil pests have better control effects and can kill the eggs and leafhoppers.
4 The pests were mainly caused by contact and stomach toxicity, no systemic, but fumigation and osmosis.
Fourth, phoxim control object 1 peach tree control peach small heartworm and other heartworms.
2 Fruit trees control moths such as leaf roller moth, leaf miner moth, moth, and peach moth.
3 Fruit trees control leaf-eating pests such as aphids, leaf curlers, pear star caterpillars, and rulers.
4 fruit trees control underground pests such as cockroaches and ground tigers.
5. Application of phoxim 1 to control the heartworms such as the peach heartworm. During the unearthing period of the wintering larvae of P. sinensis, use 50% phoxim emulsifiable concentrate per 500 g of 667 m2, or 500-600 g of 25% phoxim microcapsule water suspension, 150 kg of water, spray orchard ground, focus on spraying trees. Around the plate; before the application of the herb, the grass is weeded, and the whole garden is shallowly ploughed after spraying.
2 Control moth pests such as leaf roller moth, leaf miner, and moth. In the early stage of pest occurrence, spray with 50% phoxim emulsifiable concentrate 1000-1500 times.
3 control peach fruit moth. In the beginning and the prosperous period of the wintering larvae of the hazelnut moth, the spray was sprayed with 25% phoxim microcapsules 200-300 times.
4 control aphids, leaf curlers, pear star caterpillars, rulers and so on. It can be sprayed with 50% phoxim emulsifiable concentrate 1000-1500 times in the pest damage period.
5 Prevention and control of underground pests such as earthworms and ground tigers, especially in the fruit seedling stage, with 50% phoxim emulsifiable concentrate 1000 times liquid. After pouring the soil, it can effectively control a variety of underground pests.
Sixth, phoxim note 1 phoxim easily decomposed and failed, should avoid application under strong light at noon on sunny days, spraying better in the evening or cloudy days.
2 phoxim can not be mixed with alkaline pesticides , the liquid is used with the solution, and the good solution should not be applied more than 4 hours, so as not to affect the efficacy.
3 It is worth noting that soy corn sorghum melons and cruciferous vegetables Deng are sensitive to phoxim, and caution should be exercised if these crops are planted in and around the garden.
4 disabled 15 days before harvest.
5 Store in a cool, dark place.
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