Clear Garden is an effective measure to reduce pathogens and prevent invasive diseases. In recent years, it has been neglected by some fruit farmers. Many diseases such as defoliation, rot, red spot disease, black spot disease, whitefly, aphids, leaf leaf moth, etc. have been on the rise, and some have become widespread. Having reached the level of destroying trees and shaved trees, the author believes that Qingyuan must grasp the following six points:
Saw to the rot that has not been saved, should be timely saw off, pay attention to saw the mouth to be smooth, if there is space to bridge.
Cut the dead branches of pests and cut them off in time, take them outside the park, and burn them together.
Scratching is the removal of diseased skin and dead tissue and the removal of overwintering pests in cracks in the bark. The scraping time is best carried out when the sap flows, not too early or too late. The long-term wounds caused by the loss of long-lasting tree water, and most of the pests have no activity; late rot disease has spread hazards and pests have spread out. For the rot disease, it is necessary to scrape it to the skin 0.5 cm, preferably into a spindle, to facilitate healing. Thoroughly and thoroughly scraping old warts and berylliomas, leaving behind one tumor. The tumors of perennial and one-and-two-year-old shoots must be scraped. The depth is dominated by white trees and green trees. Don't get too deep and too thick, and concentrate the disease skin deeply. According to the survey, the scraping of skin scrapings has been reduced by more than 5%, and Hawthorn spiders rarely break out.
Coat all the smuts, cuts, and lice in all sizes to prevent the loss of water from the wound, prevent the invasion of bacteria, and promote healing. According to the survey, about 0.5 centimeters can be healed in that year, the incidence of cutting saws is no more than 1%, and the recurrence rate of old warts is less than 5%. It can also be tested with Fuxing 500 times. According to experts, the results are also good.
The clear branch, diseased fruit, and broken bark under the tree on the tree were cleared to the outside. The defoliation does not have to be cleared outside the garden. It can be used as a fertilizer. Digging organic fertilizers and chemical fertilizers can be used to dig holes and be buried under 25 cm below the trees.
Spray co-spray two times, the first time when the flower bud just germinated when sprayed once 5Be lime sulfur, because when the flower bud just germinated, it is the main component of the lime sulfur compound released by the polysulfide hydrogen sulfide to kill pest pests The second is that the lime sulfur mixture is strongly alkaline, which can penetrate and erode the cell wall of the diseased bacteria and the waxy layer of the insect body wall. At the same time, the strong alkalinity is also not conducive to the survival of the bacteria. Thirdly, the lime sulfur forming agent is formed on the tree after spraying. The layer of protective film makes it difficult for foreign pests to invade. At the same time, the diseases and insects under the membrane can not get oxygen and die. It has better control effect against overwintering pests and pests. Practice has proved that the pests and diseases are basically not resistant to them. The medicine on the base cannot be replaced. The second time was the Flora Red Period, which sprayed 2000 times of Losbend plus 5,000 times of Fuxing and further killed the last remaining pathogen and overwintering pests.
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