How to cultivate kiwifruit seedlings?
How to cultivate kiwifruit seedlings? What should I pay attention to? Also ask netizens to help guide the seed network to sort out the kiwifruit seed seedling method, cuttage seedling method and root seedling method, listed below for netizens' reference. Seed breeding method and management method of kiwifruit seedlings 1. Kiwifruit seed collection method: select the fully mature fruit of the strong mother tree, separate the seed and pulp after softening, wash and dry and set aside. 2. The treatment method of kiwifruit seeds: 40 days before planting, the dried seeds were soaked in 45 ℃ warm water for one day and night. Pad the bottom of the flowerpot with wet sand (it is better to hold the water in your hand just enough to ooze), then spread the seeds flat, alternately layer sand and cover with linoleum. 3. The methods of sowing and management of kiwifruit seeds: sowing in the early spring of the following year, applying sufficient basic fertilizer before sowing, fertilizing 4000 kg ~ 5000 kg per mu, filling enough water, and sowing after the water seeps. As kiwifruit seeds are small, it is best to use fine-sifted nutritious soil for strip sowing. The row spacing is 15 cm, the sowing area is 20 cm, and the sowing rate is 1 g / m2. After sowing, cover 2mm ~ 3mm with sifted fine soil and cover with straw to keep the soil moist. 4. The management method of kiwifruit after emergence: the covering grass should be removed in time after emergence. When the seedlings grow 3 true leaves, the seedlings are planted, the distance between the seedlings is 10 cm ~ 15 cm, and the rest of the seedlings can be transplanted with soil. Thin fertilizer should be applied frequently at the seedling stage. When the diameter of the seedling reaches 0.5 cm, grafting can be carried out. The best period of softwood cuttage is mid-June and mid-September. In addition, the growth peak of kiwifruit has passed, and it also avoids the high temperature in summer. 2. Kiwifruit cutting seedling method: 1. Selection and treatment of kiwifruit cuttings: select annual semi-lignified branches without diseases and insect pests as cuttings, leaving 2 ~ 3 buds per branch, 1 ~ 2 leaves in the upper part, and cut off half of the leaves left. The cut under the cutter should be close to the flat or oblique shear under the Internode, and the cut must be smooth, and then dipped in the cut with 2 × 10-4 ABT rooting powder No. 1 solution. 2. Preparation and management of seedling bed: cuttings should be selected in places with better water sources, sifted sand as bed soil, and soil disinfection with Dysen zinc or potassium permanganate. After the land is leveled, a 2-meter-high shade shed should be built. Check at any time after insertion to keep the humidity in the shed at 90%, usually spraying water once in the morning and afternoon on a sunny day. It took root about 20 days after insertion, and 0.2% urea or potassium dihydrogen phosphate could be sprayed after 25 days for extra-root fertilization. The cuttings can be transplanted after 60 days. Third, the method of kiwifruit root planting: the root tillering ability of kiwifruit is strong, and the root segments dug up during soil preparation or seedling are used to promote the germination of rootstock seedlings, thus saving a lot of seeds and branches. The method is to cut the thick root of the pencil into 10 cm ~ 15 cm root segments, cut the big head up and the small head down, and the small head should be cut flat by pruning, which can sprout and take root after cutting, and the survival rate of cutting in the first and middle of April is the highest. The preparation and post-cutting management of the cutter are the same as those of tender wood cuttings. Click to get more kiwifruit planting techniques click to get more fruit planting techniques
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How to control black-skinned sugarcane mosaic virus?
What harm does black-skinned sugarcane mosaic disease have? How to control black-skinned sugarcane mosaic virus? Please also know the netizens to help introduce the farming network to sort out the harm and control methods of black-skinned sugarcane mosaic virus, which are listed in detail below for netizens' reference. The harm of black skin sugarcane mosaic virus: black skin fruit.
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How to prevent and cure blight of kiwifruit seedlings?
What harm does blight do to kiwifruit seedlings? How to prevent and cure blight of kiwifruit seedlings? Also ask experienced netizens to help introduce the harm and control methods of kiwifruit seedling blight in the farming network, which are listed below for netizens' reference. The harm of blight to kiwifruit seedlings: blight.
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