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Low altitude area propagation method for salix paraqplesia

A low-altitude, high-altitude technology, applied in the field of alpine willow low-altitude propagation, can solve the problems of low survival rate, slow growth speed, and affecting the smooth progress of alpine willow afforestation projects, so as to improve the survival rate, increase the root length of seedlings, and improve seedlings Effects of Growth Traits

Inactive Publication Date: 2015-09-16
SICHUAN AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 2. Traditional cutting seedlings have slow growth and low survival rate
[0006] Therefore, how to provide high-quality alpine willow seedlings has become a key issue in the development of alpine willow, which has seriously affected the smooth progress of alpine willow afforestation projects

Method used

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  • Low altitude area propagation method for salix paraqplesia
  • Low altitude area propagation method for salix paraqplesia
  • Low altitude area propagation method for salix paraqplesia

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The seedling raising program mainly includes: cuttings selection and pruning, selection of nursery land, cuttings treatment, cuttings, management, and out of nurseries.

[0031] (1) Selection and pruning of cuttings

[0032] Take 1-year-old semi-lignified robust branches and cut them into cuttings about 20 cm long, each cutting has 2 to 4 buds. The cuttings are cut horizontally at the upper notch and obliquely at 45° at the lower notch.

[0033] (2) Selection of nursery land

[0034] Seedlings should be well-drained and irrigated flat. A plastic bag with a hole in the bottom of 30cm×28cm is selected as the nutrition bag. For the preparation of nutrient soil, generally add 1-3 kg of superphosphate per 100 kg of soil or an appropriate amount of retting human and animal manure. One week before cutting, use 1% potassium permanganate to disinfect the soil of the nutrition bag.

[0035] (3) Cutting treatment

[0036] After the cuttings are trimmed, soak the lower end 10...

Embodiment 2

[0050] The seedling raising program mainly includes: cuttings selection and pruning, selection of nursery land, cuttings treatment, cuttings, management, and out of nurseries.

[0051] (1) Selection and pruning of cuttings

[0052] Take 1-year-old semi-lignified robust branches and cut them into cuttings about 20 cm long, each cutting has 2 to 4 buds. The cuttings are cut horizontally at the upper notch and obliquely at 45° at the lower notch.

[0053] (2) Selection of nursery land

[0054] Seedlings should be well-drained and irrigated flat. A plastic bag with a hole in the bottom of 30cm×28cm is selected as the nutrition bag. For the preparation of nutrient soil, generally add 1-3 kg of superphosphate per 100 kg of soil or an appropriate amount of retting human and animal manure. One week before cutting, use 1% potassium permanganate to disinfect the soil of the nutrition bag.

[0055] (3) Cutting treatment

[0056] After the cuttings are trimmed, soak the lower end 10...

Embodiment 3

[0067] The inventor carried out experimental research on alpine willow cutting seedling raising technology in 2013-2014 at Laobo Mountain Teaching Forest Farm (750m above sea level) of Sichuan Agricultural University in Ya'an City, Sichuan Province and Erlang Mountain Forest Farm (2680m above sea level) in Luding County, Ganzi Prefecture, Sichuan Province. In 2014 In 2010, a comparative test of alpine willow afforestation was carried out in Erlang Mountain Forest Farm.

[0068] The seedling raising program mainly includes: cuttings selection and pruning, selection of nursery land, cuttings treatment, cuttings, management, and out of nurseries.

[0069] (1) Selection and pruning of cuttings

[0070] Take 1-year-old semi-lignified robust branches and cut them into cuttings about 20 cm long, each cutting has 2 to 4 buds. The cuttings are cut horizontally at the upper notch and obliquely at 45° at the lower notch.

[0071] (2) Selection of nursery land

[0072] Seedlings should...

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Abstract

The invention relates to the field of agricultural cultivation, and in particular relates to a low altitude area propagation method for salix paraqplesia. The propagation method comprises the steps of: pre-processing cutting slips, steeping with IBA, and spraying the leaf surfaces with GA3 after the cuttings survive. The propagation method shortens the seedling time for one year, the seedlings can be used for afforestation in the mountains in the same year; by steeping the seedlings with the IBA, the culture of the seedlings is facilitated, the growth properties of the seedlings are improved, and the quality of the seedlings is enhanced; the survival rate of afforestation; the limitation on the conventional seedling culture season and region is broken; conventionally, the seedlings are locally cultured in the spring; according to the low altitude area propagation method for salix paraqplesia, except the winter, the seedlings can be cultured in other seasons.

Description

technical field [0001] The invention relates to the field of agricultural planting, in particular to a low-altitude propagation method of Alpine willow. Background technique [0002] Alpine willow (Salix cupularis) is a species of Salicaceae and Salix, a shrub, mainly distributed in the alpine mountainous areas with an altitude of about 2500m to 4000m in Gansu, Qinghai, Sichuan and other provinces in my country. Alpine willow has a large canopy area, good wind blocking effect, well-developed root system, and excellent water and soil conservation. Alpine willow is drought-resistant, low-temperature tolerant, adaptable to various soils, and grows well in alpine mountainous areas. Aba Prefecture in Sichuan Province is the main suitable habitat for Alpine willow, and Alpine willow is rich in resources. Therefore, this tree species plays an important role in windbreak, sand fixation, and soil and water conservation. Since 2010, the state has increased investment in projects in T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 刘琳陈冬明冉启凡孙飞达曾凯裴姝婷刘伟干友民
Owner SICHUAN AGRI UNIV