As the saying goes: "Pears and bark." Fruit tree scraping is an important measure for winter orchard management. It not only helps to strengthen the tree, prevents premature weakness of the tree, and eliminates wintering in the cracks of the bark. Pathogens and pests reduce the number of wintering bases, control or reduce the occurrence and damage of some pests and diseases in the coming year, and thus receive the control effect of “no pesticides, pesticidesâ€. The winter tree scraping of pear trees should pay attention to the following four points: First, the object is scraped. For pear trees of more than 10 years old, the main branches and dry cortex will have different degrees of cracks, so they should be scraped. The second is the shaving strength. Trees that are short in age should be lightly scraped, and old trees can be scraped. Scrape is deep and thorough. But the movement should be light and prevent scratching the tender skin. The third is the time to scrape the skin. When the pear tree enters the wintering period, it can last until the early spring pear tree sprouts. The fourth is the care after scraping. After scraping the skin, the dandruff should be collected and burned in time. The main branches should be whitened with 10kg of quicklime, 2kg of salt, 1kg of sulphur powder, 0.1kg of animal or vegetable oil and 20kg of water. For pear trees with rot and dry blight, apply Fumei arsenic or stone sulphur mixture to prevent and cure the skin after shaving.
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