Method for artificially breeding wild machilus kwangtungensis Yang into garden greening tree species
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A technology of landscaping and artificial breeding, which is applied to the field of artificially breeding wild Guangdong Runnan into landscaping tree species, and can solve the problems of artificial breeding of wild Guangdong Runnan.
Pending Publication Date: 2020-11-10
GUANGDONG MEIJING LANDSCAPE CONSTR
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At present, there is no report on the method of artificial breeding of wild Guangdong Runnan
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Embodiment 1
[0048] The present embodiment provides a kind of method artificially breeding wild Guangdong Runnan into landscaping tree species, the specific steps are as follows:
[0049] Step 1. Seed seedling cultivation:
[0050] (1) Seed collection: Select wild Guangdong Runnan mother trees that are mature, well-grown, well-developed, with straight trunks, beautiful crowns, and free from diseases and insect pests. Harvest the mature and naturally falling fruits from June to July.
[0051] (2) Seed treatment: After the fruit is harvested, spread it out and store it, remove the deflated seeds, wash it with water, and dry it in a cool place before sowing. Avoid sun exposure and dehydration.
[0052] (3) Sowing seedlings, including:
[0053] Nursery site selection: The nursery site is selected in an open area with flat terrain, leeward shade, and convenient drainage and irrigation. The soil layer is required to be deep, loose, fertile and moist.
[0054] Nursery land arrangement: first cl...
Embodiment 2
[0082] The present embodiment provides a kind of method artificially breeding wild Guangdong Runnan into landscaping tree species, the specific steps are as follows:
[0083] Step 1, cutting seedlings:
[0084] (1) Scion selection: select a robust mother tree, cut off the branches with leaves and heart buds that it does not infect in the autumn of that year, put it in clear water to wash away the dust immediately after cutting, the length of the scion It is advisable to use 5-7cm. When cutting, the cut should be above the leaf axillary buds, and the stems near the cuttings should be kept as long as possible for insertion into the substrate; be careful not to cut off the heart buds, and keep 2 to 5 leaves; cut the cut The bevel cut should be controlled at about 45°, and the cut should be smooth without splitting.
[0085] (2) Spike treatment: the concentration used is 800mg L -1 ABT rooting powder, the rooting rate of cuttings can reach 85% within 30 minutes.
[0086] (3) S...
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Abstract
The invention provides a method for artificially breeding wild machilus kwangtungensis Yang into garden greening tree species. The method comprises the following steps of: (1) selecting a robust mother tree, harvesting seeds to perform seed seedling raising, or cutting branches with heart buds, which are not infected by plant diseases and insect pests and grow in autumn in the same year, to perform cottage seedling raising; (2) performing shading management after sowing or cuttage, wherein the shading rate in the seedling stage is 75%-85%, the shading rate of annual seedlings is 45%-55%, and the shading rate of biennial seedlings is 30%-40%; (3) when the ground diameter of the seedlings is greater than or equal to 0.8 cm and the height of the seedlings is greater than or equal to 50cm, performing outplanting for afforestation; (4) selecting a seedling raising field of acid red soil, cultivating big seedlings in a different-age mixed three-dimensional composite mode, and performing outplanting for afforestation after the seedlings grow into full-crown greening big seedlings; and (5) selecting a garden planting land with canopy density being 0.4-0.6 and acidic red soil for planting.The method has the advantages of high seedling raising success rate, high outplanting rate, easiness in successful afforestation and the like, and the purpose of artificially breeding the wild machilus kwangtungensis Yang into the garden greening tree species is achieved for the first time.
Description
technical field [0001] The invention belongs to the technical field of ecological environment construction and protection, and in particular relates to a method for artificially breeding wild Guangdong Runnan into landscaping tree species. Background technique [0002] Guangdong Runnan (Machilus kwangtungensis Yang) belongs to Lauraceae (Lauraceae) Runnan is an evergreen tree, also known as pig's foot Nan, Guangdong Nan, etc., naturally distributed in southern my country. Guangdong Runnan is not only a precious timber tree species in southern my country, but also a beautiful ecological garden landscape tree species. It has fast growth speed, strong adaptability, excellent material, straight and straight trunk, dark green branches and leaves, beautiful tree posture, and a broad umbrella shape. It has high economic value, ecological value and ornamental value. When Guangdong Runnan sprouts new shoots in spring and autumn each year, the newly drawn light green shoots and mature...
Claims
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