Rapid breeding method for tissue culture seedlings of catalpa bungei

A technology for tissue culture seedlings and catalpa, which is applied in the field of forestry seedling plant breeding, can solve the problems of long cultivation time and high cultivation cost of catalpa seedlings, and achieve the effects of improving the survival rate of seedlings, shortening the time and improving the survival rate

Inactive Publication Date: 2017-12-22
山东圣豪植物科技有限公司
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AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of long cultivation time and high cost of catalpa tissue culture seedlings, the present invention provides a rapid breeding method of catalpa tree tissue culture seedlings. The method of the present invention is constructed through the construction of seedling cultivation sheds in a warm-winter type so

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Embodiment 1

[0031] 1. Construction of nursery shed

[0032] The nursery shed is built with red bricks and galvanized steel pipe skeletons according to the standard of the northern winter warm solar greenhouse, with a length of 60 meters from east to west and 15 meters from north to south. The back wall and the east and west gables are laid with insulation boards for insulation; the surface of the shed is covered with a long-lived non-drip plastic film; a 1-meter-high movable air outlet with gauze is reserved in front of the shed, and a 1.5-meter height from the ground is left on the back wall of the shed. A row of 1m x 1m rear windows with gauze nets is used as the rear air outlet to replace the upper air outlet. The distance between the windows is 1 meter; And it is high in the north and low in the south, and the gap between the north and the south in the shed is 10 cm;

[0033] 2. Construction of nursery ponds

[0034] The inner width of the nursery pool is 1.2 meters, and the actual ...

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Abstract

The invention discloses a rapid breeding method for tissue culture seedlings of catalpa bungei. The method comprises the following steps: building a winter-warming sunlight greenhouse seeding-raising shed, building seedling-raising ponds, building an atomizing automatic control system, processing bottles for tissue culture seedlings of catalpa bungei, inserting bottles for the tissue culture seedlings of catalpa bungei into the seeding-raising ponds for seedling-raising management, planting tissue culture seedlings of the catalpa bungei hardening seedlings to harden the tissue culture seedlings in nutrition pots, and planting grown seedlings on a large field. The method helps resolve problems such as long culture time and high culture cost. The overall seedling raising process takes 30-35 days including culture of the tissue culture seedlings in the seedling-raising ponds and seedling hardening in a transition shed. The commonly-used method of rooting and hardening the tissue culture seedlings of catalpa bungee takes 120-150 days. By contrast, the duration is greatly shortened. The survival rate of seedling breeding is up to over 95%. In terms of the survival rate, the rapid breeding method for the tissue culture seedlings of catalpa bungee has a great improvement.

Description

technical field [0001] The invention belongs to the technical field of breeding of forestry nursery stock plants, and in particular relates to a rapid breeding method for tissue culture seedlings of catalpa. Background technique [0002] Traditional grafting techniques and tissue culture techniques are mainly used in catalpa sapling breeding methods at present. Traditional catalpa grafting technology takes a long time to cultivate catalpa saplings. Generally, it is necessary to cultivate the catalpa rootstock required for grafting first, and then use a good variety of catalpa scion for grafting. From cultivating the rootstock to cultivating the grafted catalpa seedlings, It generally takes 2 years to transplant the grafted catalpa saplings into the field, which is not suitable for the rapid development of modern forestry production. Moreover, limited by grafting time, weather, and seasons, catalpa tree grafting can only be carried out in spring and autumn. However, it take...

Claims

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Application Information

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IPC IPC(8): A01G31/00A01G1/00A01G9/10
Inventor 袁强王延平蔡鲁
Owner 山东圣豪植物科技有限公司
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