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Moulding and trimming method for jatropha curcas

A pruning method and technology for Jatropha curcas, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve problems such as unfavorable seed picking, few flower branches, and insignificant economic benefits, and achieve huge ecological and economic benefits. The effect of sufficient photosynthesis and increased seed yield

Inactive Publication Date: 2008-04-30
云南神宇新能源有限公司
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AI Technical Summary

Problems solved by technology

Because there is no guiding Jatropha shaping and pruning technology, the Jatropha curcas planted in the raw material production base basically grows naturally in the wild state, forming a tall tree (4-6 meters), which is unfavorable for seed picking; Compact, generally 3-4 levels of branches, which is not conducive to photosynthesis; less flowering branches, low yield, not obvious economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: carry out according to the following steps

[0015] 1. Pruning of saplings: When taking saplings before planting, use branch scissors to cut off the parts that are not fully lignified from the fully lignified parts of the branches of the saplings, and seal the cut with Vaseline.

[0016] 2. Cultivation and pruning method:

[0017] 1. In the early spring of the second year of cultivation, use branch scissors to remove the top part at a distance of 30-40cm from the new branch growth of the previous year, and seal the cut with Vaseline. For this pruning, only 5-6 branches should be kept evenly on the main stem. Branching, excess new shoots are cut off directly from the formation site. The cut branches can be brought back as seedling cuttings, and larger branches can be directly used for cutting planting.

[0018] 2. In the early spring of the third year of cultivation, remove the top part with branch scissors at a place 20-30cm away from the new branches of...

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Abstract

The invention discloses a shaping and pruning method of jatropha curcas, which comprises two steps of sapling pruning and cultivation pruning, wherein the saplings before planting are removed from the top and pruned when taking the seedlings, and during the 2-4 years of management and maintenance after cultivation Shaping and pruning should be carried out step by step. The method of the invention can make the main pole of Jatropha curcas single, dwarf the tree body to 2.5-3 meters, increase the number of branches to 5-6 levels, and form an "umbrella" structure, which is beneficial to sufficient photosynthesis, increases flowering and fruiting branches, Increase the amount of results by about 25-30%. Therefore, the present invention can provide technical guidance for tree body dwarfing, reasonable structure tree shape, and improvement of jatropha seed yield, and can generate huge ecological and economic benefits.

Description

1. Technical field [0001] The invention relates to a method for shaping and pruning Jatropha curcas, which belongs to the field of biotechnology. 2. Background technology [0002] Jatropha curcas is a multi-purpose tree species resistant to drought and barrenness. It is mainly distributed in Yunnan, Sichuan, Guangxi, Guangdong, Hainan and other places in China, with the most in Yunnan, followed by Sichuan. Jatropha curcas has the characteristics of drought resistance and barrenness, and has always been the first choice ecological tree species for vegetation restoration and greening of barren hills. In recent years, due to the superior use of Jatropha curcas in biodiesel and its application potential in medicine, chemical industry, organic pesticide, feed, organic fertilizer, etc., Jatropha curcas has changed from a purely ecological tree species to an economic tree species. [0003] At present, Jatropha curcas is widely cultivated in southern Jatropha curcas wild suitable a...

Claims

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Application Information

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IPC IPC(8): A01G23/00A01G1/00A01G7/00
Inventor 袁理春苟平王耘陈新云武逵尹军
Owner 云南神宇新能源有限公司
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