Management of Crispy Pear trees after transplanting
1. In the winter of the same year, the old warped skin on the trunk and main branch must be thoroughly scraped off, and the scraped residue should be burned off. For the scraped trunk or branch, apply white coating or spray 5-degree stone-sulfur mixture. For disease spots such as rot on branches, cut off the disease spots with a knife, and then smear 40% Fumei arsenic 50 times solution. During the growing period, we should strengthen the prevention and control of diseases and insect pests, protect leaves and promote branches.
two。 After sawing off the branches of the transplanted tree, the wound should be flattened and protected by 800 times carbendazim solution to prevent infection. Larger wounds should also be sealed with cement and then wrapped with plastic film.
3. In the year of transplanting, keep the soil moist, strengthen fertilizer and water management, often ploughing, and promote more branches as far as possible, so as to restore the normal growth of trees.
4. Due to rot and dry rot, the new twigs of some transplanted trees gradually withered, but the roots did not die. The diseased stem can be sawed off 60 to 80 centimeters from the ground before germination in the second year, high grafting of crispy pears or pollinated varieties, then smear the wound with slime, and then wrap it tightly with plastic film.
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Reproductive Management of Peach Leaf Coral
Propagation method: cuttage method is often used to propagate. Generally, in the rainy season, mature branches with a growth of 15-20 cm a year are selected as cuttings, and it is best to put annual branches on the base. The matrix should be loose and well drained. Cover with film after insertion, and then build a shed to shade the sun, keep the seedbed moist, aerate in the morning and evening, root in about 20 days, leave the bed to cultivate for 1 year, and then transplant. Can also seed reproduction, seeds should be sown immediately after harvest, because it is dioecious, to seed reproduction, must be artificial pollination, or adjacent female and male plants. Growing
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third grade improved variety of kernel apricot
1. A swarm of bees, also known as the second flat, small dragon king hat, Hebei, one of the main varieties planted. Fruit ovate, slightly bulged than Longwang cap, single fruit weighs 8.5-11.0 g, maximum 15 g, pericarp yellow, dehiscent along suture line when ripe, denucleate. The weight of single nucleus is 1.6-1.9 g, and the rate of nucleus extraction is 18.5%-20.5%. Kernel weight 0.52 - 0.62 g, kernel yield 38.2%, kernel meat milky white, sweet taste. Very productive, but not resistant to late frost. 2. The three-pole flag (temporary name) is the river
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