Propagation method of lithocarpus polysachyus rehd young stock grafting container-grown seedling

A technology of Aceria fruticosa and container seedlings, applied in botany equipment and methods, horticulture, cultivation, etc., can solve the problems of low survival rate, large differentiation of progeny, long breeding cycle, etc., and achieve high survival rate of afforestation, seedlings Developed root system, promoting high-quality results

Active Publication Date: 2014-08-13
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the multi-spike Kedo is mainly propagated by seeds, but the seed propagation needs to go through the storage and germination process of more than 4 to 5 months, and the seed germination is not uniform, and the offspring propagated by seeds are highly differentiated, and it is difficult to maintain the excellent traits of the female parent.
However, the conventional cutting propagation method of Polyacaceae is cultivated, the breeding cycle is long, th...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1. Cultivation of young stock

[0023] (1) Seedbed and container preparation: choose a leeward sunny place with good drainage to build a seedbed, fill the seedling container with nutrient soil and place it neatly on the seedbed. The formula of the nutrient soil is 4 parts of Huang Ni and 6 parts by volume ratio Coconut bran was mixed well, and the seedling container was made of degradable non-woven seedling bags of 10 cm×12 cm, and the nutrient soil was sterilized with 0.1% potassium permanganate one day before sowing.

[0024] (2) Seed treatment: In October 2012, the common polyacia seeds harvested in the same year were selected, soaked in water for 1 day before sowing, then mixed with 0.2% trichlorfon solution and covered with plastic film to kill the seeds. insects, and then store the seeds with wet sand, the volume ratio of sand to seeds is 1:1.

[0025] (3) Sowing: After the seeds are stored for a period of time to germinate, they will start to germinate in Februa...

Embodiment 2

[0032] In mid-March 2014, semi-lignified branches were collected from the excellent Kemu tree as cuttings, and half of the leaves on the cuttings were cut off, and every 50 pieces were bundled, and moistened with wet towels.

[0033] From March 11th to 13th, 2014, the seedlings of Polyacaceae seedlings with a ground diameter of more than 0.3 cm were used as rootstocks and grafted by cutting. The cross-section of the rootstock is cut vertically to a depth of 1.5 cm, and then the scion is cut into 3 to 4 cm long scion with 1 to 2 buds left. The lower end is cut at a 45° bevel, and a 1.5 cm long wound surface is trimmed on the long surface of the lower end of the scion. The depth reaches the xylem, and is quickly inserted into the incision of the rootstock. The phloem of the scion and the rootstock are aligned with each other. And wrap it tight.

[0034] After grafting, cover the shed with transparent plastic film and sunshade net to keep moisture and shade, and keep the humidit...

Embodiment 3

[0036]In December 2012, the common Tacau seeds were selected, soaked in water for 1 day before sowing, then dressed with trichlorfon solution with a weight concentration of 0.2%, and covered with a plastic film for insecticide, and then stored the seeds with wet sand , the volume ratio of sand to seeds is 1:1. After the seeds are stored for a period of time to germinate until March 2013, the germinated seeds are taken out from the wet sand and sown in seedling containers filled with nutrient soil to cultivate rootstocks, sow 1 seed in each container bag, and cover the soil with a thickness of 1 cm . Before planting, choose a leeward sunny place with good drainage to build a seedbed, fill the seedling container with nutritious soil, and place it neatly on the seedbed. The formula of the nutritious soil is prepared by mixing 4 parts of huangni and 5 parts of coconut bran according to the volume ratio of the raw materials. 10 cm × 12 cm degradable non-woven fabric seedling bags ...

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Abstract

The invention discloses a propagation method of a lithocarpus polysachyus rehd young stock grafting container-grown seedling. The propagation method comprises the operation steps of young stock cultivation and grafting propagation, and is characterized in that a common lithocarpus polysachyus rehd seed is selected, is immersed for one day before being sowed, is dressed by a dipterex solution and then is stored in wet sand, the germinant seed is taken out from the wet sand and is used for culturing a stock in a container for seedling growth, after the nursery stock comes out of the ground, water and fertilizer management and plant diseases and insect pests prevention and control are reinforced, when the ground diameter of the young seedling reaches up to more than 0.3cm, the young seedling can be used for grafting, a half lignified branch is collected from an excellent lithocarpus polysachyus rehd seed tree and serves as a cutting for grafting, a cut-grafting method is adopted for grafting, when young sprouts come out from the cutting, a plastic film is uncovered, sprouts growing on the stock are timely removed, and fertilization application is stopped when winter comes, so that the grafted seedling is enabled to be fully lignified, and the grafted seedling can be taken out of a garden for forest planting in the spring next year. The method is capable of keeping the excellent characteristics of the seed tree, is high in survival rate, is simple and convenient, is easy to popularize, and is suitable for large-scale production and operation for a leaf forest of dwarfing and intensively cultivated lithocarpus polysachyus rehd.

Description

technical field [0001] The invention belongs to the technical field of plant vegetative propagation, and relates to a propagation method of Polyacaceae, in particular to a propagation method of grafted container seedlings of Polyacaceae young stock. Background technique [0002] Tachiko ( Lithocarpus polystachyus ), also known as multi-sui, sweet tea, evergreen tree or small tree, 7~15m high, is a tropical and subtropical tree species, distributed in the provinces south of the Yangtze River, and also in India and Thailand. Polygonaceae is a precious medicinal tree species. The medicinal components of Polygonaceae are mainly flavonoids, whose content is greater than 30%, among which dihydrochalcone glycosides phlorizin and trilobatin are the focus of attention . The flavonoids of Polyacae flavonoids have strong anti-oxidation and various health care functions. In recent years, studies have found that Polyacaceae and its extracts have obvious effects of lowering blood sugar...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G1/06A01G9/10
Inventor 陈金艳李建林王坤李开祥曾祥艳梁晓静黄剑
Owner GUANGXI FORESTRY RES INST
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