Prevention of physiological defoliation
Orchard grass: Choose green fertilizers such as clover and cassia seed to plant in the rows, reduce ground temperature, increase air humidity, improve microclimate conditions in orchards, mitigate summer heat hazards, and reduce leaf burns. Tree tray cover: Uncultivated orchard, can be covered with wheat straw, wheat bran, corn stalks, etc., the thickness of 10 to 15 cm, a small amount of soil on the weeds, can reduce the ground temperature, increase soil organic matter content, enhance the tree Growing up. Reasonable load: Strictly sparsely fruiting and fruiting, reasonable fruit retention, 3-4 meters away from the orchard garden, 480 or so fruits, and the yield per acre is controlled at 2200 to 2500 kg, avoiding excessive fruit loss leading to tree nutrient deficit. Reasonable summer cut: In the growing season, the heart is picked in a timely manner except for sprouting, the useless branches and leaves are cut off, so that the orchard has good ventilation and light transmission, and the branch buds grow robustly. Scientific irrigation: depending on the situation of reasonable irrigation, in the early morning, the leaves need not be wetted in a timely manner to ensure that the orchards do not lack water; in the rainy season, attention is paid to drainage and to prevent rooting.
Prevention of pathological leaf spot
Brown spot and black spot disease are the main diseases that cause defoliation of kiwifruit. The pathogenic bacteria usually overwinter on the sick body. Therefore, the leaves are cleared in winter and cleared with 3-5 Baume degree lime sulfur agent to reduce the pathogenicity base.
Chemical control was started at the initial infestation period of the bacteria, and fungicides were used to control fungal diseases such as 80% spray WP 800 times, 40% carbendazim suspension 1000 times, or 80% dexamethasone. Manganese zinc wettable powder 800 times liquid, combined with pesticides and spray fertilizer, spray once every 15 to 20 days, spraying should be careful and uniform, pay attention to alternate use of pesticides to prevent bacteria resistance.
Royal Jelly is also called Bee Milk. The fresh royal jelly is slightly ropy milk paste substance; it is the excretive mixture of nutrition gland and maxilla gland of the head of little worker bee. The worker bees use this to feed the 1-3 days` worker bee larva and drone larva, 1-5.5 days` queen bee larva and queen bee in the oviposition period. The royal jelly is the biologic product containing very complicated active elements which contains almost all the nutrition elements required by the growth of the human body.
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