Scraped bark In the rough bark, warped bark and cracks of fruit trees, there are often many kinds of pests lurking, such as pear heartworm, apple leaf roller moth, jujube armyworm, and pear star caterpillar. Before the fruit trees sprout in early spring, thoroughly scrape off the rough bark on the branches (especially the branches) and cut the cuts and warp bark. It is advisable to scrape off the light brown skin to see green but not white; when scraping, spread a piece of plastic sheet under the tree to collect the scraped bark and debris, and bury it in a concentrated way or burn it. For fruit trees with rot disease and dry blight, after scraping their skins, they should be protected by the general tree guard.
Tree planing plate in early spring is not only an important measure to improve the soil and increase the production of fruit trees, but also an effective method to eliminate overwintering pests. After deep planing, you can choose to use Genshitong and fungicide for watering, which can promote the effective ingredients of pesticides to kill the root pests of fruit trees.
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Polysaccharide is a glycosidic bond bonded sugar chain, at least more than 10 monosaccharides composed of polymerized sugar polymer carbohydrates, can be used in the general formula (C6H10O5) n said. Polysaccharides composed of the same monosaccharides known as homopolysaccharides, such as starch, cellulose and glycogen; polysaccharides composed of different monosaccharides known as heteropolysaccharides, such as gum arabic is composed of pentose and galactose. Polysaccharide is not a pure chemical substance, but a mixture of substances with different degrees of polymerization. Polysaccharides are generally insoluble in water, have no sweet taste, cannot form crystals, and have no reducibility or change of spin. Polysaccharides are also glycosides, so they can be hydrolyzed, and in the process of hydrolysis, they tend to produce a series of intermediate products, and eventually completely hydrolyzed to obtain monosaccharides.
Edible mushroom polysaccharide;Wolfberry polysaccharide;Jujube polysaccharide
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