What pests can be controlled in the orchard during the winter
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First, after thoroughly clearing the garden into the winter, it is necessary to completely remove the fallen leaves, dead branches, stale nuts, weeds, and stone tiles in the orchard, because these are the overwintering sites for the source of diseases and insects, and must be burned or buried deeply.
Second, timely spray after winter cut because of winter cut is the largest amount of pruning in the whole year, resulting in a lot of cut, the new wound is the gateway to diseases and insect pests, so after the winter cut to spray a drug to control. It can be sprayed with 5 degrees of lime sulfur or 40% of albino arsenic 100 times, carefully and thoroughly when spraying.
Third, when scraping the rot disease spots, the scraped lesions must be more than 0.5cm around the rotten skin, and be made into a spindle shape to facilitate the flow of rainwater and be easy to heal, and then be coated with arsenic solution (a piece of Fome Arsenic, arsenic plus 50-fold water), and then wrapped in a thin film to prevent dry shoots, after budding to tie. A rot disease spot close to the ground can be used to cultivate a large mound at the site of the disease and bury the site of the disease in it, causing the disease spores to die.
Fourth, curettage apple ringworm disease ringworm ringworm disease mainly from the branches of the disease, after scraping with carbendazim powder into a paste to smear the affected area, with the film can be wrapped, buds removed.
Fifth, cut off anthracnose orchard because of anthrax disease has the characteristics of the center of the disease, clear the source of disease is the key to the prevention and treatment of the disease, and diseased fruit Taiwan is the main anthrax winter place, cutting the fruit is to eliminate the initial stage of the dip.
Sixth, prevention and control of aphid pests Aphid pests overwinter on fruit tree trunks, in the winter of January to February, in the evening of the low temperature spray evenly with the spray on the branches of fruit trees, one night after the water formed on the branches of ice hanging, On the following morning, beat the trunk with a wooden stick and shake it off. If you freeze after snowfall in winter, you must seize the opportunity to knock the trunk ice in time. The ice is covered with a large number of locusts. After the locust falls, it will freeze and die, greatly reducing the number of larvae in the coming year.
Seven, smearing and filming method to prevent apple tumour louse selection tip is thin and thin, and the distance between the buds is very far, there is a leaf on the top of the branches (indicating that these branches are harmed by tumour). First, add 40% omethoate EC to 1 part of the original solution plus 2 parts of water, scrape off the old skin and then spread the solution onto it. Use a thin film to wrap it, and then bind it after budding.
VIII. Prevention of Peach Prunus Lesser Peach Overwinter Peach is less than 1 meter in the area around the trunk, but the soil in the depth of 30cm deep is scarred for winter. Sprinkle the phoxim granules around the tree trunk, then plunge about 30 cm deep, and apply 30 cm thick soil layer on top of the trunk. This will cause 100% of the peaches to die and will not produce leeks in the coming year.
Nine, to eliminate the mulberry cattle to find the hole on the tree trunk boring hole, inject 100 times the dichlorvos into the hole, and then use the mud to seal the scorpion, so that the suffocation of suffocation and death.
Ten, scraping the old skin on the trunk skin of the old skin, warp skin, pest package is the wintering site of pathogens eggs, will be scraped, removed and completely burned.