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Cephalotaxus hainanensis field nursing method

A kind of torreya, wild technology, applied in forestry, application, agriculture, etc.

Inactive Publication Date: 2012-03-21
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved in the present invention is to provide a complete set of wild conservation methods for Hainan rough torreya by taking measures such as artificially transforming community characteristics, seedling replanting, and tending based on conservation and restoration.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] (1) Trimming of the small environment of the community: Proper trimming of the seedling community of Torreya hainanensis, that is, appropriately removing the upper arbor tree and the branches of the larger shrub layer, so that the light transmittance of the seedling layer of Torreya hainanensis reaches 30%;

[0013] (2) Separation and removal of Torreya hainanensis seedlings: According to the principle of plant self-thinning, especially the age grade and environment (soil) of the seedlings of Torreya hainanensis in specific communities, the seedlings of torreya hainanensis in specific communities are separated, that is, within 200m 2 Keep 10 Hainan rough torreya seedlings under 3 years old, 5 4-10 years old and 3 over 10 years old in the soil; supplemented with conservation measures such as soil cultivation and fertilization; excess seedlings are moved to other suitable places.

[0014] Through this system plan, after 5 years, there are still 11 seedlings of Torreya hain...

Embodiment 2

[0016] (1) Trimming of the small environment of the community: Carry out proper trimming to the seedling community of Torreya hainanensis, that is, properly remove the upper arbor tree and the branches of the larger shrub layer, so that the light transmittance of the seedling layer of Torreya hainanensis can reach 60%;

[0017] (2) Separation and removal of Torreya hainanensis seedlings: According to the principle of plant self-thinning, especially the age grade and environment (soil) of the seedlings of Torreya hainanensis in specific communities, the seedlings of torreya hainanensis in specific communities are separated, that is, within 200m 2 Keep 20 Hainan rough torreya seedlings under 3 years old, 10 4-10 years old and 5 over 10 years old in the soil; supplemented with conservation measures such as soil cultivation and fertilization; excess seedlings are moved to other suitable places.

[0018] Through this system plan, 18 seedlings of Torreya hainanensis in the community ...

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PUM

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Abstract

The invention provides a cephalotaxus hainanensis field nursing method which relates to a plant field nursing method. The method comprises the following methods: (1) trimming of community small environments: the cephalotaxus hainanensis seedling community is properly trimmed, and the transmissivity of the cephalotaxus hainanensis seedling community reaches 30-60%; (2) transplantation of cephalotaxus hainanensis seedlings: based on the plant self-thinning principle, in particular to grades, environments and soil conditions of the cephalotaxus hainanensis seedlings of the specific community, the cephalotaxus hainanensis seedlings of the specific community are transplanted; and (3) seedling supplementary: the cephalotaxus hainanensis seedlings obtained by other methods of cottage, seedling propagation and tissue culture are supplemented and planted in proper positions of the community. The invention solves the problems of poor nature refreshing condition of the cephalotaxus hainanensis, high mortality of field seedlings and degradation of communities.

Description

technical field [0001] The invention relates to a field conservation method of plants, in particular to a field conservation method of Hainan rough torreya. Background technique [0002] Hainan rough torreya (Cephalotaxus hainanensis Li) is a plant of the family Cephalotaxus, aliased as Red Cattle Pine and Thin-leaved Castor Cedar, and is a perennial tall evergreen tree. It is a rare tree species unique to my country, and its distribution range is extremely narrow, only found in Hainan, Guangdong, Yunnan and other local areas. Studies have shown that not only the effective alkaloid content of Torreya hainanensis is the highest, but also the curative effect is the most significant. It is currently recognized as one of the best anti-cancer tree species. In addition, this tree species has been felled repeatedly due to its excellent material, and its population is small. It is one of the most important rare and endangered plants in my country. However, the natural resources of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G23/00
Inventor 杜道林祁珊珊宋经元杨冬华王有生付永川魏建和
Owner JIANGSU UNIV