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Method for promoting growth of axial roots of zenia insignis cutting seedlings

A technology for cutting seedlings and wing pods, which is applied in the field of plant seedling raising, and can solve the problems of difficulty in stably supplying seedlings required for afforestation, low survival rate of cuttings, affecting large-scale afforestation of tree species, and the like.

Inactive Publication Date: 2017-12-08
FUJIAN NORMAL UNIV
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Problems solved by technology

Due to the unstable firmness of this tree species and the difficulty in collecting seeds, it is difficult to provide stable seedlings for afforestation of this tree species, which seriously affects the large-scale afforestation of this tree species. Although some scholars have conducted research on the cutting seedling raising technology of this tree species in recent years , but the cutting survival rate is low (usually less than 50%), and the growth of the main root is an important factor affecting the cutting survival rate. Therefore, the present invention explores the cutting seedling raising technology of this tree species by improving the sterilization and rooting induction technology, and promotes the growth of Viburnum pterosa. The main root of cutting seedlings grows, improving the survival rate of cuttings, and providing excellent seedlings for large-scale plantation of viburnum plantations

Method used

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  • Method for promoting growth of axial roots of zenia insignis cutting seedlings
  • Method for promoting growth of axial roots of zenia insignis cutting seedlings
  • Method for promoting growth of axial roots of zenia insignis cutting seedlings

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Embodiment

[0018] The 5-year-old viburnum with strong growth, uniform internode development and no pests and diseases was selected as the mother tree for picking ears. Cut young shoots from the mother tree that grow vigorously, have uniform internode development, and have just begun to lignify as cuttings. Cut the collected cuttings into cuttings with a length of about 8-10 cm, cut the upper end of the cuttings flat, and cut the lower end obliquely at 45°. It is required to have 2-3 axillary bud points on each cutting, keep 1 / 4 of the leaves on the cuttings, and keep 1 / 3 of the leaf area of ​​each leaf. The cutting time of the cutting scion is August 13, 2015.

[0019] The light substrate produced by Fujian Nanping Senke Company was used as the cutting substrate, and the cutting light substrate was sterilized with 0.1% potassium permanganate for different periods of time before cutting. The sterilized light matrix is ​​packed into a non-woven container bag with a specification of 3.5 c...

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Abstract

The invention relates to a seedling raising technique for promoting growth of axial roots of zenia insignis cutting seedlings. Axial root growth is an important factor influencing the cutting survival rate, and the method for promoting growth of axial roots of cutting seedlings is one of key techniques for large-area promotion of zenia insignis afforestation. The technical scheme comprises setting different matrix disinfection time periods and cutting rooting induction time periods; matrix disinfection and rooting induction are preformed on the zenia insignis by means of different combined experiment formulations of the bactericide kind, the bactericide solution concentration, the induction hormone kind and the induction hormone solution concentration, a control group (CK), i.e., distilled water is extra set, and two kinds of combined experiment formulations are set; a preferable cutting effect can be obtained by means of a T3 combined treatment including 21-23 h matrix disinfection and 35-38 min hormone induction, and growth of the axial roots of the zenia insignis cutting seedlings can be promoted scientifically, effectively and stably. Beneficial effects of the method for promoting growth of the axial roots of the zenia insignis cutting seedlings are that growth of the axial roots of the zenia insignis cutting seedlings can be promoted effectively and stably, and high-quality seedlings can be provided for large-area promotion of zenia insignis afforestation.

Description

technical field [0001] The technical invention belongs to the technical field of plant seedling raising, and in particular relates to a seedling raising technology for promoting the growth of main roots of cutting seedlings of Viburnum chinensis. technical background [0002] Zenia insignis (Zenia insignis) is a tall deciduous tree of the genus Zenia in the family Hematoxylinaceae. It is a rare tree species that can be excavated and utilized in southern my country, and it is a national second-class rare and endangered plant. This tree species has many excellent characteristics such as straight trunk, rapid growth, strong germination, good natural regeneration, strong resistance, and resistance to barrenness. Ideal for tree species. Due to the unstable firmness of this tree species and the difficulty in collecting seeds, it is difficult to provide stable seedlings for this tree species, which seriously affects the large-scale afforestation of this tree species. Although some...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G9/10
CPCA01G22/00
Inventor 徐朝斌姚湘明钟全林叶麒程栋梁蔡晓芝常云妮张天宇刘际民
Owner FUJIAN NORMAL UNIV
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