Albizia falcataria forest tree selecting fast seedling growing method

A technology for rapid seedling breeding and pine forest, applied in horticulture, botanical equipment and methods, horticultural tools/equipment, etc., can solve the problem of unseen factory production and whole afforestation, increase the difficulty of forest management, and affect the growth of forest stands. In order to improve the production process of tissue culture, improve the quality of proliferating seedlings and the rooting rate of tissue culture seedlings, and optimize the quality of seedlings

Active Publication Date: 2015-12-09
RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional afforestation of Nanyang jacaranda is mainly based on seedling afforestation. Not only the growth indicators such as tree height, diameter at breast height, and volume are greatly differentiated, but also the number of branches, branch thickness, height under branches, crown width, tapering degree, and material quality. The indicators also vary greatly, affecting the growth of forest stands and increasing the difficulty of tree management. At the same time, about 50% of the trees will suffer from diseases, and 20-30% of the trees will die. It is necessary to increase the density of afforestation to overcome this disadvantage and increase afforestation cost
At present, in domestic research reports on the tissue culture of Jacaranda jacaranda, the explants used include seedlings after seed disinfection, grafted seedlings of 2 to 3-year-old excellent trees in the nursery, and regenerated plants were obtained, but no industrial production and A report on the whole forest

Method used

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  • Albizia falcataria forest tree selecting fast seedling growing method
  • Albizia falcataria forest tree selecting fast seedling growing method
  • Albizia falcataria forest tree selecting fast seedling growing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] The technique of fast breeding seedlings of excellent trees in the jacaranda forest of embodiment 1

[0074] In this example, 20 excellent trees were selected from the secondary Nanyang jacaranda forest in Boluotian Hongbei Forest Farm in 2009. The germination rate of the excellent trees was 50%, and the success rate of explant disinfection and reproduction reached 80%, providing 8 clones for testing. Seedling. At present, the disease-resistant variety TL17 has been selected for popularization and application, and is deeply loved by forest farmers in forest areas. The specific operation process is as follows:

[0075] 1) Collection of branches

[0076] 1. Selection of excellent trees:

[0077] Secondary forest of Jacaranda japonica in Boluotian Hongbei Forest Farm (such as figure 1 As shown), select the intensity according to 1 / 5000~1 / 3000, adopt the method of five excellent trees, and select 20 excellent trees through comprehensive evaluation;

[0078] Among t...

Embodiment 2

[0105] The technique of rapid breeding seedlings of excellent trees in the jacaranda forest of embodiment 2

[0106] In this example, 9 excellent cold-resistant trees were selected in the secondary Nanyang forest in Chiling Village, Zengcheng in 2010. The specific operation process is the same as in Example 1. Seven of the 9 excellent trees germinated, and 100% rapid propagation was successful, successfully obtaining Clonal test seedlings have been successfully popularized and applied. At present, cold-resistant varieties have been selected and are already being promoted and applied.

[0107] 1) Collection of branches

[0108] 1. Selection of excellent trees:

[0109] In the secondary forest of Jacaranda jacaranda in Chiling Village, Zengcheng, according to the selection intensity of 1 / 5000, using the method of five excellent trees, 9 excellent trees were selected through comprehensive evaluation;

[0110] Among them, the specific operation of the method of five excellen...

Embodiment 3

[0136] The technique of rapid breeding seedlings of excellent trees in the jacaranda forest of embodiment 3

[0137] In this example, the fast-growing Jacaranda jacaranda was selected under the condition of medium fertility in Huidong Baihua secondary Nanyang forest in 2010. The specific operation process is the same as that in Example 1. As a result of the experiment, the seedlings for the clone test were also successfully obtained, and the fast-growing excellent clone B7 was selected.

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Abstract

The invention discloses an albizia falcataria forest tree selecting fast seedling growing method. The method comprises the steps of taking sprouted branches of selected trees in a forest as explants, and inoculating into a cluster sprout induction medium after sterilizing and inducing cluster sprouts; inoculating the cluster sprouts into a subculture proliferation medium for subculture; then inoculating into a rooting medium for rooting culturing and performing seedling hardening and field culturing management after rooting. According to the method, by adjusting proportions and concentrations of massive elements and hormone, the proliferated nursery stock quality and tissue culture seedling rooting rate are improved, a tissue culture production process flow is improved, the production cost is reduced, production efficiency is improved, and superior clone industrialized and large-scale production of the albizia falcataria is realized.

Description

Technical field [0001] The present invention involves Nanyang Tuyn cultivation methods, especially the technical method of selecting and breeding seedlings in the Nanyang Tinglin Forest.It belongs to tropical forests, especially Nanyangzhang's good breeding breeding and seedling breeding technology. Background technique [0002] Nanyangzhen is native to Southeast Asia. It is a world -renowned tropical raw material tree species. It can be used for 5 to 6 years. 3 / hm 2 .Year.Nanyang Tunoma is rich in root tumors, many fallen leaves, and easy to rot, which is an excellent tree species that improves the soil.Wood is an excellent raw material for the papermaking industry and the artificial board industry, so it is widely cited and cultivated in tropical and South Asian tropical areas. [0003] Guangdong, Guangxi, Hainan, Fujian, Taiwan and other provinces and regions have been widely cultivated and cultivated.In the area with good ground conditions, the annual growth of the chest dia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H4/00
Inventor 刘英曾炳山范春节裘珍飞李湘阳
Owner RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY
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