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Chinese white poplar bark twig cutting seedling-raising method

A technology for young branch cuttings and poplar tomentosa, which is applied in the field of plant seedling raising, can solve the problems of cumbersome seedling raising process, low survival rate, labor and time consuming, etc., and achieves the effects of shortening rooting time, improving survival rate and improving reproduction efficiency.

Active Publication Date: 2019-06-07
SHANDONG FOREST SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The seedling propagation of Lumao 50 mainly relies on grafting, which has the disadvantages of labor and time-consuming, low survival rate of grafting, cumbersome seedling raising process, and difficult seedling management.
However, due to genetic characteristics and other reasons, Populus tomentosa is a tree species that is difficult to root. It is difficult to root without special treatment, and its survival rate is also very low.

Method used

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  • Chinese white poplar bark twig cutting seedling-raising method
  • Chinese white poplar bark twig cutting seedling-raising method
  • Chinese white poplar bark twig cutting seedling-raising method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1 A kind of method of Populus tomentosa twig cutting seedling raising

[0034] The method comprises the steps of:

[0035] (1) Gather the healthy and semi-lignified Lumao 50 twigs of the year as cuttings, cut the twigs into 16cm cuttings, and keep half a leaf for each cutting; soak the cuttings with 90mg / L indolebutyric acid solution Lower end 3 hours;

[0036] (2) Fill the cutting matrix into the seedling tray, and the tray height is 15cm; the matrix is ​​composed of pulverized coco peat, perlite and vermiculite in a mass ratio of 60:15:15; Spray cutting matrix with spirit solution to sterilize it, and start cutting after 1-2 days;

[0037] (3) Insert the cuttings of step (1) into the matrix, spray water once, so that the cuttings and the matrix are fully in contact; the daytime temperature is controlled at 37°C, the night temperature is controlled at 27°C, and the humidity is controlled at 85%;

[0038] (4) The carbendazim solution diluted 800 times is s...

Embodiment 2

[0042] Embodiment 2 A kind of method of Populus tomentosa twig cutting seedling raising

[0043] The method comprises the steps of:

[0044] (1) Gather the strong and semi-lignified Lumao 50 twigs of the year as cuttings, cut the twigs into 20cm cuttings, and keep half a leaf for each cutting; soak the cuttings with 150mg / L indolebutyric acid solution Lower end 0.5 hours;

[0045] (2) Fill the cutting matrix into the seedling tray, and the tray height is 15cm; the matrix is ​​made up of pulverized coco peat, perlite and vermiculite in a mass ratio of 80:15:15; Spray cutting matrix with spirit solution to sterilize it, and start cutting after 1-2 days;

[0046] (3) Insert the cuttings of step (1) into the matrix, spray water once, so that the cuttings and the matrix are fully in contact; the daytime temperature is controlled at 45°C, the night temperature is controlled at 30°C, and the humidity is controlled at 90%;

[0047](4) The carbendazim solution diluted 1000 times is ...

Embodiment 3

[0051] Embodiment 3 A kind of method of Populus tomentosa twig cutting seedling raising

[0052] The method comprises the steps of:

[0053] (1) Gather the healthy and semi-lignified Lumao 50 twigs of the year as cuttings, cut the twigs into 12cm cuttings, and keep half a leaf for each cutting; soak the cuttings with 95mg / L indolebutyric acid solution Lower end 3 hours;

[0054] (2) Fill the cutting matrix into the seedling tray, and the tray height is 9.cm; the matrix is ​​composed of coconut peat, perlite and vermiculite in a mass ratio of 70:15:15; Spray cutting matrix with spirit solution to sterilize it, and start cutting after 1-2 days;

[0055] (3) Insert the cuttings of step (1) into the matrix, spray water once, so that the cuttings and the matrix are fully in contact; the daytime temperature is controlled at 40°C, the night temperature is controlled at 30°C, and the humidity is controlled at 90%;

[0056] (4) The carbendazim solution diluted 1000 times is sprayed ...

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Abstract

The invention belongs to the technical field of plant seedling-raising, and particularly relates to a method for promoting Chinese white poplar bark twig cutting seedling-raising. The method includesthe steps: (1) collecting annual strongly growing and semi-lignified male Chinese white poplar bark twigs as cuttings, shearing the twigs into cutting slips and soaking the lower ends of the cutting slips with rooting agents for 0.5-3 hours; (2) disinfecting a cutting medium; (3) inserting the cutting slips in the step (1) into the medium, controlling daytime temperature to range from 37 DEG C to45 DEG C, controlling night temperature to range from 27 DEG C to 30 DEG C, and controlling humidity to range from 85% to 95%; (4) spraying diluted carbendazim solution to leaf surfaces and disinfecting the leaf surfaces; (5) spraying leaf fertilizers 9-10 days after cutting; (6) hardening seedlings 15-20 days after cutting, shading the raised seedlings and controlling the temperature and the humidity in a shed. All the steps are combined with each other, and the survival rate and the breeding efficiency of male Chinese white poplar barks are greatly increased.

Description

technical field [0001] The invention belongs to the technical field of plant seedling cultivation, and in particular relates to a method for promoting the cutting seedling cultivation of poplar tomentosa twigs. Background technique [0002] Populus tomentosa Carr. is a large deciduous tree of the family Salicaceae. It grows fast, has a straight and straight trunk, strong adaptability, developed taproots and lateral roots, and dense branches and leaves. It is one of the main tree species for urban and rural greening and tree planting in North China. , Widely used in the construction of fast-growing timber forests, shelter forests, etc. Populus tomentosa is a dioecious plant, and the female plant bears fruit and flies catkins. Every year in early May, Beijing, Tianjin, Shijiazhuang and other large and medium-sized cities fly catkins all over the sky, becoming a major source of pollution affecting the urban environment. To do this, a large number of female Populus tomentosa ne...

Claims

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Application Information

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IPC IPC(8): A01G2/10A01G24/25A01G24/15A01G31/00
Inventor 李善文董玉峰姚俊修毛秀红仲伟国乔艳辉陈甘牛张锋周广波
Owner SHANDONG FOREST SCI RES INST
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