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Cultivation method for alder dwarf mother plants

A breeding method and mother plant technology, applied in the field of alder dwarf mother plant cultivation, can solve the problems of difficult alder seed collection, etc., and achieve the effect of increasing fruit-bearing capacity and easy adjustment

Pending Publication Date: 2019-03-26
SICHUAN ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0026] The purpose of the present invention is to provide a method for cultivating alder dwarfing mother plants, which effectively controls the height of alder trees and solves the problem of difficult alder seed collection

Method used

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  • Cultivation method for alder dwarf mother plants
  • Cultivation method for alder dwarf mother plants
  • Cultivation method for alder dwarf mother plants

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Embodiment 1 Alder mother plant selection, cutting and transplanting treatment.

[0057] Survival of alder mother plants is the first step in cultivating dwarf mother plants. First, good seedlings must be selected to ensure the final production of good seeds. Select high-quality individual alder trees from natural alder forests or mother forests. In mid-to-late December, climb trees or cut branches to collect high-quality individual fruit branches, collect seeds, store them in a dry environment at room temperature, and sow seedlings in the next spring. Routine cultivation until the second In the winter of three years, select candidate mother plants, and select the best-growing single plant from the three-year-old seedlings as the material for cultivating dwarf mother plants. Specific requirements: ground diameter 3-7cm, tree height 3-4m, trunk straight High degree without branches, no pests and diseases.

[0058] After the candidate mother plant loses its leaves in win...

Embodiment 2

[0072] Embodiment 2 The selection of the best specification root control container and the optimal branching angle.

[0073] In the spring of the following year, the latent buds on the trunk develop into shoots, which can be selected as candidate shoots for the first-level branches from the end of March to mid-April, and 2 to 3 shoots are kept in each direction, and a total of 16 shoots are kept in the whole plant. 24 sprouts, and cut off the rest from the base of the trunk. The final selection is made from the end of August to the beginning of September, and the branches developed from the sprouts are pruned and fixed to shape the tree shape of the alder mother plant. The principle of pruning is to keep 6 to 8 first-level branches for each mother tree, and each first-level branch The horizontal distance between them should be kept as consistent as possible, and the heights of two adjacent branches should be staggered to ensure that the branches have enough growth space after ...

Embodiment 3

[0088] Embodiment 3 controls the placement position of the root container.

[0089] In order to compare the effects of different placement locations on the growth of alder mother plants, three containers of L4, L5, and L6 in Table 4 were selected and placed on the mud floor, numbered M4, M5, and M6, and L4, L5 on the cement floor were selected. , L6 as the control. The processing methods of M4 and M5 are exactly the same as those of L4 and L5. Investigate the ground diameter and tree height of the mother plant every 12 months after transplanting.

[0090] The results show that as shown in Table 6, the vegetative growth of the alder mother plants placed on the mud gradually became vigorous. The tree height reached more than 1.76m, and the tree height exceeded 2.5m after 3 years. Three years after transplanting, there was a very significant difference in the average ground diameter of alder mother plants among different treatments.

[0091] After 2 years of transplanting, it...

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Abstract

The invention belongs to the technical field of forestry, and specifically relates to a cultivation method of alder dwarf mother plants. The method includes selection of the alder dwarf mother plants,the truncation treatment of the alder mother plants, the transplantation of the alder mother plants in a root limit container which is placed on a cement floor, pruning, stretching and shaping of thealder mother plants, the management of the flowering period and the maintenance of the tree shape. According to the cultivation method for the alder dwarf mother plants, the tree height can be effectively controlled, and the problem of difficult seed collection is solved. Stretching can advance the flowering and fruiting time of alder by 4 to 6 years, and the fruit hanging rate of a single plant,the seed yield and the harvesting rate of alder are effectively improved. There is no obvious phenomenon of big and small years.

Description

technical field [0001] The invention belongs to the technical field of forestry, and in particular relates to a method for cultivating alder dwarf mother plants. Background technique [0002] Alder (Alnus cremastogyne Burk.) is a deciduous tree belonging to the family Betaceae, and it is an important native tree species in the Sichuan Basin, western Guizhou, and southern Shaanxi. Alder grows rapidly, with an average annual growth rate of 1-1.5m. It is light and soft in texture and high in cellulose content. It is a traditional fuelwood tree species and an excellent pulp raw material tree species. There are actinomycetes symbiotically in the roots of alder, and root nodules are often formed on the roots. Therefore, alder has natural advantages in improving soil, and has significant benefits in improving the ecological environment such as water and soil conservation and barren mountain tidal soil improvement. [0003] At present, the cultivation and application of alder seedl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06A01G17/00A01G24/15A01G24/25A01G24/28
CPCA01G7/06A01G9/02A01G17/005A01G24/15A01G24/25A01G24/28
Inventor 黄振王丽华李佳蔓王泽亮陈炙郭洪英杨勇智肖兴翠辜云杰
Owner SICHUAN ACAD OF FORESTRY
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