Branch cuttage method for breeding seedling of aleurites moluccana by using biodiesel raw material tree species

A technology for raising seedlings by cuttings and propagation by cuttings, which is applied in the fields of botanical equipment and methods, horticulture, and applications, can solve the problems of cuttings withering and difficult to take root, and achieves good root development, fast rooting, and many rooting strips. Effect

Active Publication Date: 2012-10-03
GUANGXI UNIV
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  • Summary
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  • Application Information

AI Technical Summary

Problems solved by technology

It aims at the problem of "false life (that is, it can germinate but cannot form a root system so that the cuttings gradually die due to nutrient depletion)" that is easy to germinate and prod

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0028] In late February, select vigorously growing, semi-lignified branches, and cut 350 cuttings about 20 cm long under the leaf axils, with the base facing down and tie them into 3 bundles with hemp rope, and place them until the cuttings do not spill out After being slightly dry, soak the base of the cuttings overnight with a mixture containing 100mg / L NAA and 30mg / L IAA. Then the cuttings are placed in a seedling cup pre-filled with a substrate containing fresh yellow soil and clean river sand (the two are mixed in a ratio of 2:1), and the water is poured enough to allow the substrate to sink and come into close contact with the cuttings. Cover with a black sunshade net with a shading rate of 70%-80%, and water 2-3 times a day to keep the soil moist to prevent the branches from drying out. Every 10 days after cutting, drench the base of the cuttings once every 10 days with the one-time dilution of the mixed solution for soaking the cuttings, for a total of 2 times. After ...

Embodiment 2

[0030] In mid-April, select vigorously growing, semi-lignified branches, and cut 300 branches of about 20 cm into flat openings under the leaf axils, with the ends of the branches facing down and tie them into 3 bundles with hemp rope, and place them until the cuts do not overflow After being slightly in shape, soak the proximal end of the branch overnight with a mixed solution containing 100mg / L NAA and 30mg / L IAA. Then the cuttings are placed in a seedling cup pre-filled with a substrate containing clean river sand and fresh yellow soil (the two are mixed at a ratio of 1:1), and water is poured enough to allow the substrate to settle and be in close contact with the cuttings. Cover with a black sunshade net with a shading rate of 70-80%, and pour water 2-3 times a day to keep the soil moist and prevent the cuttings from drying out. After the cuttings were cut, the base of the branches was drenched once every 7 days with a double dilution of the mixed solution for soaking the...

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PUM

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Abstract

The invention relates to a branch cuttage breeding seedling method which can maintain the hereditary characters of excellent germplasm of aleurites moluccana. The operation method is as follows: selecting the branches of the aleurites moluccana from early February to mid April; trimming the branches to cuttings with the length of 20cm; dipping the cuttings in a growth regulator mixed liquid with the proper concentration, then inserting into a nutritional cup with the mixed matrix of yellow clay and rive sand; during the period of breeding seedlings, covering a seedling bed by a sunshade screen and spaying water to keep humidity, and simultaneously spraying the growth regulators with the proper concentrations and different nutritional liquids with the proper concentrations according to thedifferent stages of the breeding period; after cutting for 20-30 days, spraying the mixed liquid of the growth regulators to the base parts of the cuttings every some time; after cutting for 30-50 days, periodically spraying the specific nutritional liquid to the leaves for one time; after cutting for 50-60 days, spraying the nitrogenous fertilizer solution with the proper concentration to the cuttings once a week; after cutting for 90 days, spraying the diluted compound fertilizer liquid once a week; in the late period of breeding seedlings, gradually reducing the covering time of the sunshade screen by days and finally not using the sunshade screen; and, after 100-120 days, transplanting the obtained seedlings. With the adoption of the method for breeding seedlings, the germination ratecan reach 95% and the emergence rate can exceed 81%.

Description

technical field [0001] The invention relates to a method for cutting and propagating seedlings of a plant called chestnut which can be used to produce biodiesel. technical background [0002] Aleurites moluccana, commonly known as candle fruit tree and nectarine, is an evergreen tree belonging to Euphorbiaceae (Euphorbiaceae). There are two species of Chestnut, of which there is only one in my country. Chestnut has strong drought and ridge tolerance and is suitable for growing in mountains and barren slopes. Chestnut trees grow fast, produce many fruits per plant, and the full fruit period is as long as 20-30 years. The oil content of its nuts is as high as 65%, and the chestnut oil mainly contains ingredients such as linoleic acid, oleic acid, stearic acid and palmitic acid. It has a great potential to develop biodiesel from chestnut by utilizing the high-yield oil-yielding characteristics of chestnut. [0003] In 2005, after many years of research and development, Huan...

Claims

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Application Information

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IPC IPC(8): A01G1/00
Inventor 冯斗禤维言
Owner GUANGXI UNIV
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