In winter, the pests of crops will lurk in the right environment to hibernate. Grasping this favorable pest to eradicate crops can yield a multiplier effect. The following seven methods can be applied to winter crop pests.
First, plough the earthworms and other underground pests to the surface and freeze them to death. Deep plowing should be carried out in the late autumn and early winter. It is usually plowed to 9-13 cm. This can destroy the diverticulidae of the armyworms, wheat leaf beetles and other pests and change their orientation. Stop feathering or hatching.
Second, the Qingyuan Garden removes the weeds in the orchard, destroys locusts, and the overwintering environment of the plant. Defoliation of fruit trees such as defoliation, corn stalks, and glutinous rice can kill more than 90% of corn borer, chestnut ash, leaf roller moth and cabbage caterpillar that survive.
Third, pruning fruit trees winter cut can be insects, wormholes or eggs with branches cut off, concentrated burned.
4. There are many kinds of pests in the rough skin, cracked skin and cracks. Scrape these barks with a knife, especially scrape off the tree branches. When scraping the bark, use a piece of plastic cloth to spread Scraped bark is concentrated or deeply burned.
Fifth, whitening This method can eliminate overwintering pests in trunk and bark joints. Preparation method of whitening agent: 10-12 parts of quicklime, 2 parts of clay, 36-40 parts of water, 2 parts of lime sulfur mixture solution, 2 parts of salt, dissolve and mix the above substances, pour lime sulfur mixture and clay, mix After the uniform can be painted white, the amount of coating is not subject to flow.
6. Apply 40% omethoate, 50% monocrotophos, or 50% methamidophos 200 times to spot the top heart, branches and buds of fruit trees to prevent overwintering aphids.
7. Spray 2.0% Bromide Chrysanthemum in the surrounding weeds of orchards and other places, 20% killing Ding 4000-5000 times, or 50% Methamidophos, 50% Monocrotophos 2000 - 3000 times liquid, 4% of DM mixture powder, etc. can be sprayed to kill a large number of locusts, locusts and fleas. Spraying 1-2 times of stone-phosphorus mixture for 2-3 times on fruit trees after scraping can effectively control pear orchard and red spider.
First, plough the earthworms and other underground pests to the surface and freeze them to death. Deep plowing should be carried out in the late autumn and early winter. It is usually plowed to 9-13 cm. This can destroy the diverticulidae of the armyworms, wheat leaf beetles and other pests and change their orientation. Stop feathering or hatching.
Second, the Qingyuan Garden removes the weeds in the orchard, destroys locusts, and the overwintering environment of the plant. Defoliation of fruit trees such as defoliation, corn stalks, and glutinous rice can kill more than 90% of corn borer, chestnut ash, leaf roller moth and cabbage caterpillar that survive.
Third, pruning fruit trees winter cut can be insects, wormholes or eggs with branches cut off, concentrated burned.
4. There are many kinds of pests in the rough skin, cracked skin and cracks. Scrape these barks with a knife, especially scrape off the tree branches. When scraping the bark, use a piece of plastic cloth to spread Scraped bark is concentrated or deeply burned.
Fifth, whitening This method can eliminate overwintering pests in trunk and bark joints. Preparation method of whitening agent: 10-12 parts of quicklime, 2 parts of clay, 36-40 parts of water, 2 parts of lime sulfur mixture solution, 2 parts of salt, dissolve and mix the above substances, pour lime sulfur mixture and clay, mix After the uniform can be painted white, the amount of coating is not subject to flow.
6. Apply 40% omethoate, 50% monocrotophos, or 50% methamidophos 200 times to spot the top heart, branches and buds of fruit trees to prevent overwintering aphids.
7. Spray 2.0% Bromide Chrysanthemum in the surrounding weeds of orchards and other places, 20% killing Ding 4000-5000 times, or 50% Methamidophos, 50% Monocrotophos 2000 - 3000 times liquid, 4% of DM mixture powder, etc. can be sprayed to kill a large number of locusts, locusts and fleas. Spraying 1-2 times of stone-phosphorus mixture for 2-3 times on fruit trees after scraping can effectively control pear orchard and red spider.
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