Method for cutting twig of catalpa bungei

A technology of twig cuttings and catalpa, which is applied in the field of twig cuttings of catalpa, can solve the problems of prolonged seedling cultivation period, premature aging, and sparse fruiting, so as to prevent and control sick and deformed growth, improve rooting rate and survival rate, and improve economic benefits Effect

Inactive Publication Date: 2017-02-01
界首市金玖江农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of propagation methods, due to the incompatibility of catalpa to its own flowers, the fruit is scarce, and it is difficult to reproduce by seedlings. Grafting and propagation are prone to disadvantages such as incompatibility and premature aging.
The current fine varieties mainly rely on grafting and propagation. However, rootstocks need to be cultivated for grafting seedlings, and the seedling cycle is prolonged. At the same time, grafted seedlings are prone to graft incompatibility, which affects the later growth of seedlings. The backward propagation technology has become a technical bottleneck that limits the promotion of Catalpa.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A method for catalpa twig cuttings, comprising the following steps:

[0018] (1) Selection of twigs: Select the first-level side branches of the old catalpa tree as the twig material for the cuttings of the catalpa tree. The length of the twigs is 8-10cm, and the thickness is 0.3-0.5cm. Cut a 2mm horizontal cut with a small saw blade at the top of the branch 3cm down;

[0019] (2) Preparation of soaking solution: The cut twigs of catalpa were soaked in the soaking solution for 10 minutes, wherein the soaking solution consisted of the following components by weight: 5 parts of salicylic acid, 7 parts of indole-3-acetic acid, 10 parts 1 part tryptophan, 4 parts 6-BA, 10 parts zeatin, 200 parts water;

[0020] (3) Substrate preparation: Mix decomposed sawdust, perlite, and river sand in a ratio of 1:1:1 as the cutting substrate, and add jasmine flower extract to the mixed substrate, wherein the mass ratio of jasmine flower extract to the mixed substrate is 1: 800;

[00...

Embodiment 2

[0029] (1) Selection of twigs: Select the first-level side branches of the old catalpa tree as the twig material for the cuttings of the catalpa tree. The length of the twigs is 8-10cm, and the thickness is 0.3-0.5cm. Cut a 3mm horizontal cut with a small saw blade at 2cm down from the top of the branch;

[0030] (2) Preparation of soaking solution: The cut twigs of catalpa were soaked in the soaking solution for 15 minutes, wherein the soaking solution consisted of the following components by weight: 9 parts of salicylic acid, 11 parts of indole-3-acetic acid, 15 parts 1 part tryptophan, 6 parts 6-BA, 14 parts zeatin, 300 parts water;

[0031] (3) Substrate preparation: Mix decomposed sawdust, perlite, and river sand in a ratio of 1:1:1 as the cutting substrate, and add jasmine flower extract to the mixed substrate, wherein the mass ratio of jasmine flower extract to the mixed substrate is 1: 1000;

[0032] (4) Cutting time selection: choose the period from late February to...

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PUM

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Abstract

The invention discloses a method for cutting a twig of catalpa bungei. The method comprises the following steps: selecting the twig, preparing a soak solution, preparing a matrix, selecting a cutting period, treating a cutting pool, and carrying out management after cutting. The rooting rate and survival rate of a tender sprout, cut by adopting the method disclosed by the invention, of the catalpa bungei are high, the seedling emergence time is short, the growth vigor in a later period is good, and economic benefits of growers are greatly improved.

Description

technical field [0001] The invention relates to the field of forest tree breeding, in particular to a method for cutting twigs of catalpa. Background technique [0002] There have always been many difficulties in raising seedlings of catalpa, but there are few studies on provenance test, variety selection, seedling technology, cultivation management mode, etc., and there is no good effect in improving the survival rate of cutting seedlings, making catalpa afforestation. There are almost no sources, and large-scale promotion is greatly restricted. It is very important to study the seedling raising technology of catalpa and improve the survival rate of its seedling raising. In terms of propagation methods, due to the incompatibility of catalpa to its own flowers, the fruit is scarce, and the seed propagation is difficult, and the grafting propagation is prone to disadvantages such as incompatibility and premature aging. The current excellent varieties mainly rely on grafting...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00
CPCA01G31/00
Inventor 吕广敏
Owner 界首市金玖江农业发展有限公司
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