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Layering breeding device and fraxinus mandshurica asexual breeding method

A technology of pressing strips and pressing rods, applied in the field of plant cultivation, can solve the problems of difficulty in obtaining ash regenerated plants, hindering the reproduction and application of ash plants, and low induction rate of somatic embryos, so as to improve the growth of seedlings and reduce the cost of raising seedlings. , the effect of increasing economic benefits

Pending Publication Date: 2022-07-22
LIAONING FORESTRY SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing technology directly uses the incomplete cotyledons and hypocotyls of Mandshurica mandshurica petioles, immature embryos and mature embryos as explants to induce callus, and obtain somatic cells through the induction of callus Embryos, but these studies reported that it is difficult to obtain regenerated plants of Mandshurica mandshurica, and the induction rate of somatic embryos is also extremely low, and the production of somatic embryos of Mandshurica mandshurica is generally accompanied by browning of exophytes
Therefore, these problems have hindered the propagation of Mandshurica mandshurica plant and the application in practice, urgently need to provide a kind of new Mandshurica mandshurica breeding method

Method used

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  • Layering breeding device and fraxinus mandshurica asexual breeding method
  • Layering breeding device and fraxinus mandshurica asexual breeding method
  • Layering breeding device and fraxinus mandshurica asexual breeding method

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Embodiment 1

[0042] This embodiment provides a Figures 1 to 4 The layered breeding device of the shown structure uses iron as the preparation material, and is composed of a lower pressing rod 1 , a ground anchor 2 , an upper pressing rod 3 and a barb 4 . Among them, the lowering rod 1, the ground anchor 2 and the barb 4 form a pressing area, and the lowering rod 1 and the ground anchor 2 are fixedly connected; .

Embodiment 2

[0044] Same as Example 1, the difference is that plastic is used as the preparation material.

Embodiment 3

[0046] (1) Choose sandy loam flat land, or sloping land with a slope of less than 15°, close to the water source and the land with smooth drainage, according to the row spacing of 2m to 3m and the plant spacing of 0.3m to 1m to plant ash mother plants, from late May to early June every year , Remove the weak and dense sprouting branches of the mother plant of Ash, and keep the sprouting branches at 3cm. The mother plant is planted from November of the second year to March of the following year, close to the surface and flat stubble (specifically such as Figure 4 shown);

[0047] (2) Apply high nitrogen compound fertilizer 50kg / mu in the spring of 2020;

[0048] (3) On August 20, 2020, 0.7kg / mu of potassium dihydrogen phosphate was sprayed, and 5kg / mu of phosphate fertilizer was applied in September.

[0049] (4) On July 1, 2021, remove the leaves from the ground to 15-20cm above the sprouting branches of Ash, and use iron wire to overflow 1-2cm at the base of the sprouted b...

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Abstract

The invention belongs to the technical field of plant cultivation, and particularly relates to a layering breeding device and a fraxinus mandshurica asexual breeding method. The ground anchor (2) in the layering breeding device is inserted into the ground surface, plant layering is fixed through the lower pressing rod (1), then the plant is bent and fixed upwards through the upper pressing rod (3), layering breeding of the plant can be achieved, and layering seedling production of the plant is facilitated. The self-made layering propagation device is used for layering the sprout tillers of the fraxinus mandshurica stock plants, layering seedling production of the fraxinus mandshurica is facilitated, the good characters of the stock plants can be inherited, the growth vigor of the fraxinus mandshurica seedlings can be improved, the seedling production cost can be reduced, and the method can be widely applied to fraxinus mandshurica production and economic benefit increase.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a layered breeding device and a vegetative breeding method of Ash. Background technique [0002] Ash (Fraxinus mandshurica Rupr.) is a large deciduous tree in the Oleaceae family, Ash is a large deciduous tree with a height of up to 30 meters. It is one of the three major hard broad-leaved tree species in Northeast China. It has strong adaptability, good material, wide application and high economic value. Excellent and precious broad-leaved wood species. However, the resources of this tree species have always been very poor, coupled with the long-term unreasonable over-cutting and utilization, its resources have been exhausted. Fraxinus mandshurica has been listed as endangered species. [0003] Fraxinus mandshurica is mainly propagated by seeds, but it can also be propagated by cuttings, sprouting tillers, or by tissue culture. However, Fraxinus mandshur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/20A01G17/00A01G24/23A01G24/15A01G24/28A01G24/12A01G7/06
CPCA01G2/20A01G17/005A01G24/23A01G24/15A01G24/28A01G24/12A01G7/06
Inventor 颜廷武王睿照毛沂新魏文俊张慧东云丽丽刘红民冯健朱健高宇卜鹏图王雷
Owner LIAONING FORESTRY SCI RES INST