Occurrence and Control of Copper deficiency in Waxberry
Symptom trees are short, green-deficient and morbid, susceptible to diseases; upper leaves are deformed and discolored, new shoots are atrophied; roots and branches grow poorly, and there is often gum on branches; there are few fruits and seeds. The fundamental measures for the prevention and control of copper deficiency are to increase the application of organic fertilizer and copper-containing fertilizer. Power plant coal ash contains a small amount of ketones, which can be applied in acidic soil as appropriate. In the application of copper-containing pesticides, the effect of its residues should be considered to prevent the accumulation of copper in the soil and cause toxicity to red bayberry.
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There is a knack for grafting red bayberry seedlings.
Red bayberry seedlings generally use branch grafting, mainly cutting grafting. The scion selected the high-yielding tree with strong growth and entered the full fruit stage, and cut the 1-2-year-old branches from the periphery of the middle and upper part of the crown. Wild seeding seedlings or self-sowing trees were selected as rootstocks to sow seeds, and the seedlings were cultured after 2-3 years. The grafting of red bayberry is carried out before sprouting in spring.
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Control methods of Myrica rubra fruit fly
In recent years, the occurrence of fruit flies reduced the yield and quality of red bayberry, which seriously affected the economic development of red bayberry. In order to explore the occurrence regularity and control techniques of bayberry fruit fly, the author has observed the pest since 2008, and now basically found out its occurrence in our county and summed up the corresponding control techniques. Fruit fly.
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