Winter breaks a summer worm
After the fruit is harvested, the prevention and control of pests and diseases in the orchard can have a multiplier effect. The following seven methods are introduced:
1, clear garden except leaves. Many of the pathogens and pests that harm fruit trees are overwintering in litter and weeds and become the source of diseases and pests in the second year. Therefore, the orchards and nearby litters, nuts, and weeds should be cleaned up, concentrated and fattened and burned.
2, autumn and winter ploughing. Through the deep fall of the orchard in autumn and winter, the pests hiding in the soil under the canopy of the tree can be turned out of the ground to allow the birds to feed or freeze. At the same time, the deep turning can also bury the dead leaves on the ground and the pests hiding in the subtilis.
3, winter scraping bark. Apple rot and ringworm disease, pear borer and star caterpillars, red spider mites, mostly wintering in the rough skin, skin cracks in fruit trees. In winter or early spring, scrape the old skin of the fruit tree with a spatula or trowel, and then apply lime sulfur to the trunk. Burned old skin must be burned.
4, cut pests and branches. Peach brown rot, apple anthracnose mostly overwintered on the residual fruit, pear big heartworm, etc. in the bud within the winter, apple tip leaf roller moths in the shoots overwintering. In combination with winter cutting, all pests and branches, dried branches and branches are removed, residual fruits are removed, and the hardy larvae on the trunk, shoots, and caterpillars of the caterpillars on the twigs are broken.
5, tying the grass to kill. When the density of overwintering worms was high in that year, the effect of tying and trapping grass was particularly obvious. Such as the control of apple spiny leaf miner moth, in a large number of larvae drooping drooping pods over the winter, the grass on the branches tied. After the winter, the grass was destroyed and concentrated.
6. The trunk is painted white. The formulation ratio of whitening agent is: 10 parts of quicklime, 2 parts of lime sulfur, 1-2 parts of salt, 2 parts of clay and 36-40 parts of water. Add insecticide. Liquify the lime, filter out the gravel, pour the salt that has been removed, mix with lime sulfur and clay. When coating, it should not be lost and dried, and it should not fall off.
7, spray medicine. After clearing the garden, pruning and scraping the skin, spray diesel oil emulsion with oil content of 4%-5% and lime sulfur of Baume with degree of 5 degrees to prevent and treat pears, pears, persimmons, red spiders, red spiders, pear black stars. Diseases, apple rot, etc. have obvious control effects.
1, clear garden except leaves. Many of the pathogens and pests that harm fruit trees are overwintering in litter and weeds and become the source of diseases and pests in the second year. Therefore, the orchards and nearby litters, nuts, and weeds should be cleaned up, concentrated and fattened and burned.
2, autumn and winter ploughing. Through the deep fall of the orchard in autumn and winter, the pests hiding in the soil under the canopy of the tree can be turned out of the ground to allow the birds to feed or freeze. At the same time, the deep turning can also bury the dead leaves on the ground and the pests hiding in the subtilis.
3, winter scraping bark. Apple rot and ringworm disease, pear borer and star caterpillars, red spider mites, mostly wintering in the rough skin, skin cracks in fruit trees. In winter or early spring, scrape the old skin of the fruit tree with a spatula or trowel, and then apply lime sulfur to the trunk. Burned old skin must be burned.
4, cut pests and branches. Peach brown rot, apple anthracnose mostly overwintered on the residual fruit, pear big heartworm, etc. in the bud within the winter, apple tip leaf roller moths in the shoots overwintering. In combination with winter cutting, all pests and branches, dried branches and branches are removed, residual fruits are removed, and the hardy larvae on the trunk, shoots, and caterpillars of the caterpillars on the twigs are broken.
5, tying the grass to kill. When the density of overwintering worms was high in that year, the effect of tying and trapping grass was particularly obvious. Such as the control of apple spiny leaf miner moth, in a large number of larvae drooping drooping pods over the winter, the grass on the branches tied. After the winter, the grass was destroyed and concentrated.
6. The trunk is painted white. The formulation ratio of whitening agent is: 10 parts of quicklime, 2 parts of lime sulfur, 1-2 parts of salt, 2 parts of clay and 36-40 parts of water. Add insecticide. Liquify the lime, filter out the gravel, pour the salt that has been removed, mix with lime sulfur and clay. When coating, it should not be lost and dried, and it should not fall off.
7, spray medicine. After clearing the garden, pruning and scraping the skin, spray diesel oil emulsion with oil content of 4%-5% and lime sulfur of Baume with degree of 5 degrees to prevent and treat pears, pears, persimmons, red spiders, red spiders, pear black stars. Diseases, apple rot, etc. have obvious control effects.
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