Large-leave fast-growing locust tree mother root cutting and seedling method

A technology for raising seedlings by cuttings and sophora japonica seeds, which is applied in the field of cutting and raising seedlings of large-leaf fast-growing Sophora japonica seeds, which can solve the problems of intolerance to flooding and the death of rotten roots, and achieve the effects of promoting germination, promoting nutrient absorption and improving the survival rate of seedlings.

Inactive Publication Date: 2013-04-03
LIUZHOU TEACHERS COLLEGE
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AI Technical Summary

Problems solved by technology

However, it is not resistant to flooding, and if the roots accumulate water for a long time, the roots will rot and die.

Method used

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Experimental program
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specific Embodiment approach

[0041] Since the end of 2009, we have started to study the introduction and propagation experiments of fast-growing Sophora japonica species in Guizhong, Guangxi. After more than two years of research, we have found a set of relatively mature fast-growing Sophora japonica root propagation techniques. The specific implementation methods are as follows:

[0042] A method for raising seedlings by root cuttings of fast-growing large-leaved Sophora japonica species:

[0043] 1 The period of cutting seedlings

[0044] The period of cutting seedlings will be different due to climate factors in the north and the south, but it is basically arranged after the Spring Festival. After the Spring Festival in the south, the lowest temperature can reach 10°C. In the north, the preparations start after the soil thaws in spring.

[0045] 2 Preparations before cutting seedlings

[0046] 2.1 Weeding work. Before raising seedlings, weed control should be carried out on the site to reduce weed dama...

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Abstract

The invention relates to a large-leave fast-growing locust tree mother root cutting and seedling method. The method comprises the following steps of: (1) selecting a proper cutting and seedling period; (2) preparation work before cutting and seedling: weeding, ploughing and leveling soil, establishing a drainage system and applying enough base fertilizer; (3) mother root preparation: selecting annual large-leave fast-growing locust trees, digging the mother roots, avoiding the damage to root bark, and covering wet sand on the mother roots after digging to keep the humidity; (4) cutting: cutting the mother roots into root sections of different lengths according to the diameters of the mother roots, cutting the root sections into leveled soil, inserting the mother roots into the soil to make the top ends expose out of the soil surface, cutting according to certain plant space and row space, and treading the soil after finishing cutting; and (5) final-period management: keeping suitable humidity of the soil, weeding, and performing deinsectization. By the propagation method provided by the invention, the seedling survival rate, the root system utilization rate and the propagation coefficient of the mother roots can be improved, and the seedling time can be shortened.

Description

[0001] technical field [0002] The invention relates to the technical field of artificial seedling breeding and propagation, in particular to a method for growing seedlings by root cuttings of fast-growing large-leaved Sophora japonica. [0003] Background technique [0004] Big-leaf fast-growing locust tree belongs to the leguminous black locust, which belongs to deciduous tree and is a new type of feed tree species. The leaves of the big-leaf fast-growing locust tree are broad and large, the length and width of the leaves are 2-3 times that of common Robinia pseudoacacia, the leaf quality is thick, and the dry weight of a single leaf is 4-6 times that of common Robinia pseudoacacia. The leaves are odd-pinnate compound leaves, alternate and entire. The leaflets are 7-19 pieces, elliptic or oval, smooth and glabrous on both sides. The big-leaf fast-growing Sophora japonica is a unisexual flower, purple-red, in racemes, without stamens, and does not set seeds. It mainly u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
Inventor 钱善勤
Owner LIUZHOU TEACHERS COLLEGE
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