Red Maple Grafting and Seedling Technology

Red maple is a family of eucalyptus, eucalyptus, and deciduous tree, also known as purple-red chicken's claw, which is a cultivar of Xenopus laevis. Red Maple likes warm and moist, is a neutral shade tree species. The red maple is about 4.5 meters high. The bark is smooth and gray-brown. The crown is nearly round or umbrella-shaped. The leaves are opposite to each other, purple-red all year round, and the young leaves are bright red or purple. The summer turns slightly green. The whole plant is graceful and graceful. . Flowering from April to May, the winged nuts mature from September to October. Red Maple is suitable for a wide range of areas and can be widely planted in North China, Northwest China and the Yangtze River Basin. The cultivation site requires deep acidic mountains or red and yellow loam soils. In the high temperature season, there will be "13 burning" of leaves and barks. Due to its graceful shape, graceful posture, leaf-shaped fibrils, and bright leaves, the red maple tree is one of the varieties of red leaves in gardens. In recent years, it is also one of the first choices for garden greenery, lawns, forest margins, pavilions, entrance halls, house bypass tunnels, and poolside planting species. Flower growers in the Yangtze River Valley cultivate a large amount of red maple. The first year and the second year of green maple as the rootstock for red maple grafting seedlings, the survival rate of the developed red maple is high, the tree is elegant and has a wide range of application value. The red maple grafting technology is introduced as follows. 1. Rootstocks Rootstocks grafted with red maple are required to have good affinity and a well-developed root system. In general, one or two years of young green maple (Emperor or purple fruit) is used as rootstock. The seedlings of the seedlings are planted after the seedlings are planted for the second year. The growth seedlings of the year can also be used as rootstocks if the thickness is consistent with the scions. 2. Grafting 2.1 Scions Choose the red maple mother trees that grow well and are graceful and graceful. Cut the full-grown, robust, and full-grown annual branches of the mother tree canopy as the scion. 2.2 There are two kinds of grafting time: spring connection and autumn connection. 2.3 Grafting operations can be carried out by means of abdominal grafting, cutting, splicing, bud grafting and other methods. In autumn, first clean the nursery and prepare the tools. To use a specialized cutting knife with a sharp knife edge, cutting the rootstock and cutting the scion knife must be strictly separated. Then set the interface. The rootstock interface is generally set between about 15-25 above the ground. The grafting is slightly higher for the first time to prepare for replacement, and about 25-35 leaves are removed from the upper and lower rootstocks. Then feed at the interface at an angle of about 15 degrees, 2 to 3 cm deep, about 20% to 30% oblique to the xylem, and the smaller the rootstock, the smaller the proportion. When scioning, the scion's cutting edge should match with the cutting edge of the rootstock, only slightly shorter than the rootstock incision, can not be extra long dew, and should be slightly thicker on the front side, forming a slightly angled wedge. After the scion and rootstock have been cut, the scion should be inserted into the rootstock immediately, and at least one side of the scion and the rootstock forming layer must be matched. After the scion is inserted into the rootstock, it must be immediately wrapped to make it tightly integrated. Bundle with a 1.5 cm wide plastic band from the interface from bottom to top bundling and solid, all the incisions wrapped, and put a small thin plastic bag to prevent loss of water and dry. 2.4 Management after Grafting Grafting should be checked promptly and it is found that the scion is dry and can be patched on the other side or slightly below the original grafting site. Which spring will be checked after 15-20 days, autumn joints can be checked after 25-30 days, followed by inspection. After grafting to survive, the shoots of the scion shall be promptly cut off and the shoots above the abdomen shall be cut off in time, and the sprouts and buds extracted from the rootstock shall be promptly removed. As the red maple sprouts after germination, the growth is relatively weak, and it is necessary to insert bamboo rods or bamboo shoots to help prevent wind deflection. As the bonsai material of red maple grafted seedlings after survival, generally do not sparse red maple buds, allowing it to grow in more than two. 3. Transplantation time, method and density Grafting survival seedlings can be transplanted all the year round every month. Spring is the best, and all leaves need to be removed in summer and autumn. When transplanting, transplanting with soil is preferable, and annual grafting seedlings do not need to carry soil when transplanted. When the nursery stock grows in the nursery, the planting density needs to be adjusted so that the seedlings receive the maximum illumination. For a typical stem diameter of less than 1 cm, the row spacing is 0.81 meters, and the row spacing of 2 cm stem spacing is 1.51.5 meters. When transplanting, the saplings need to be trimmed first, and the roots, some long fine roots and leggy branches must be removed, and the red maple transplant with more than 2 cm must carry mud balls. 4, fertilization to promote the rapid growth of grafted seedlings, timely fertilization. In March-April, nitrogen-based fertilizers are mainly used, and the ratio of nitrogen, phosphorus and potassium is 6:1:3. After transplanting grafted seedlings, apply or water once every 7-10 days. In May-August, the main ingredients of pigs, cattle, and ducks were cooked to increase the organic content of the soil. Beginning in October, it is advisable to apply decomposed vegetable cakes, oil cakes, bean cakes or compound fertilizers. 5. Management of nursery land and pest control Red maple seedlings have certain requirements on the soil. For soils with large sand and poor drought-resistance ability, fine clay with heavy viscosity and mature soil miscellaneous fertilizer should be cultivated. For sticky soils, apply more organic fertilizer and add sand soil to adjust viscosity. For a nursery with easy water, drains with a depth of about 50 cm should be opened. In the dry season, timely irrigation should be done to keep the soil moist. The red maple seedlings are easily covered by weeds, so it is often required to artificially sward the grass around the seedlings. Seedlings planted after 2 years can be chemically weeded with glyphosate. Pests that harm red maple are crickets, cockroaches, beetles, hedgehogs, aphids, long-horned beetles, and cockroaches. The roots and stems of biting seedlings, such as earthworms and cockroaches that control earthworms and cockroaches, cause dead seedlings. May use 50% of phoxim EC or 48% of Loester EC 1000x, mix with fine soil or root. Chafers, hedgehogs, aphids, and other pests that invade the foliage of chafers, hedgehogs, aphids, red spiders, etc., often eat red maple leaves, resulting in poor growth of seedlings, can be abamectin, fast-catching, omethoate 800-1000 Double spray. The prevention and treatment of stem beetles, such as calves and beetles, endanger the branches of red maple, cause the death of red maple seedlings, dead branches or even pruning. 2000-3000 can be used to kill cypermethrin, green kung fu, etc. Doubling with liquid spray, or injecting pesticides such as dichlorvos on branches at the insect crossing and sealing with sticky mud.

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