CN101637114A - Cephalotaxus hainanensis field nursing method - Google Patents
Cephalotaxus hainanensis field nursing method Download PDFInfo
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- CN101637114A CN101637114A CN200910184211A CN200910184211A CN101637114A CN 101637114 A CN101637114 A CN 101637114A CN 200910184211 A CN200910184211 A CN 200910184211A CN 200910184211 A CN200910184211 A CN 200910184211A CN 101637114 A CN101637114 A CN 101637114A
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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, thecephalotaxus 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
The present invention relates to the open-air nursing method of a plant species, particularly the open-air nursing method of Cephalotaxus mannii.
Background technology
Cephalotaxus mannii (Cephalotaxus hainanensis Li) is the Cephalotaxaceae plant, and another name cephalotaxus hainanensis, slender lobule bamboo comb China fir are perennial tall and big aiphyllium.Be the distinctive rare tree species of China, its distribution is very narrow, is detected in some areas such as Hainan and Guangdong, Yunnan.Studies show that the not only effective alkaloid of Cephalotaxus mannii is the highest in the Cephalotaxaceae, and curative effect is the most remarkable, is one of best anticancer seeds of generally acknowledging at present.These seeds are cut down repeatly because of material is good in addition, and population quantity is few in addition, are one of most important rare or endangered species of China.But this seeds natural resources is very limited, is difficult to satisfy growing demand.Because these seeds are that dioecism, seed production and germination rate are very low, are subjected to factor such as ecological and artificial destruction and cause endangered.Cephalotaxus mannii nature renewal situation extreme difference particularly; open-air seedling lethality very high (even up to more than 90%); Cephalotaxus mannii population coverage rate low (generally being lower than about 10%); population structure is in decline state (Wang Xianpu; Wang Yousheng. reason that Cephalotaxus mannii is in imminent danger and safeguard measure. GUIHAIA 1994,14 (4): 369-372).Given this, the species conservation of Cephalotaxus mannii causes the great attention of botany research institution.But preceding without any relevant cephalotaxus hainanensis field nursing technology and method (Du Daolin, Fu Wenying. rare or endangered species Cephalotaxus mannii population protection bioecology. Hunan science and technology publishing house, 2003.11).According to our a large amount of, system's previous research work, particularly Cephalotaxus mannii population and group's bioecology characteristic, we have invented one and have overlapped the good cephalotaxus hainanensis field nursing systems approach of effect, and have obtained good child care effect in practice.Provide technical guarantee to rare or endangered species Cephalotaxus mannii recovery and protection and resources development and utilization.
Summary of the invention
The key technical problem that the present invention solves is to solve the situation that Cephalotaxus mannii nature renewal situation extreme difference, open-air seedling lethality height, population are in the decline state.The key technology that addresses this problem is based on Cephalotaxus mannii population and group's bioecology characteristic, revert to the master with child care, with artificial reconstructed COMMUNITY CHARACTERISTICS, seedling after-culture, measure such as foster, can improve in the group Cephalotaxus mannii seedling percent to 30-70%, Cephalotaxus mannii population coverage rate is brought up to 20-60% in the group, and the Cephalotaxus mannii population is an expanding population in the transformation group.Provide technical guarantee for solving rare or endangered species Cephalotaxus mannii recovery and protection and resources development and utilization.
The technical problem to be solved in the present invention is to revert to the master with child care, with artificial reconstructed COMMUNITY CHARACTERISTICS, seedling after-culture, measure such as foster, provides a whole set of cephalotaxus hainanensis field nursing method.The technical scheme that addresses the above problem comprises the steps:
(1) group's subenvironment finishing: group suitably repairs to the Cephalotaxus mannii seedling, promptly suitably removes big tree of upper strata arbor and big shrub layer branch, makes Cephalotaxus mannii seedling layer group light transmittance reach 30-60%;
(2) the Cephalotaxus mannii seedling is divided and to move: from dredging principle, special concrete community Cephalotaxus mannii seedling year class and environment (soil) situation are divided concrete community Cephalotaxus mannii seedling and are moved, promptly at 200m according to plant
2Following, 5-10 strain 4-10 age 3 ages of soil conservation 10-20 strain, 3-5 strain above Cephalotaxus mannii seedling in 10 ages; And be aided with child care measures such as ridging, fertilising; Unnecessary seedling branch moves on to other local correct position.
(3) seedling is replenished: will replenish plantation at group's correct position by the Cephalotaxus mannii seedling that different modes such as other method such as cuttage, seedling breeding, tissue culture obtain, planting density reference above (2) goes on foot content.
By this system schema, can improve in the group Cephalotaxus mannii seedling percent to 30-70%, improve in the group Cephalotaxus mannii population coverage rate to 20-60%, transform that the Cephalotaxus mannii population is an expanding population in the group.
The invention has the beneficial effects as follows: solved the situation that Cephalotaxus mannii nature renewal situation extreme difference, open-air seedling lethality height, population are in the decline state.Revert to the master with child care, by artificial reconstructed COMMUNITY CHARACTERISTICS, seedling after-culture, measure such as foster, the Cephalotaxus mannii seedling percent is brought up to 30-70% in the group, and Cephalotaxus mannii population coverage rate is brought up to 20-60% in the group, and the Cephalotaxus mannii population is an expanding population in the transformation group.Provide technical guarantee for solving rare or endangered species Cephalotaxus mannii recovery and protection and resources development and utilization.
Embodiment
The specific embodiment of the invention is illustrated below in conjunction with example:
Embodiment 1:
(1) group's subenvironment finishing: group suitably repairs to the Cephalotaxus mannii seedling, promptly suitably removes big tree of upper strata arbor and big shrub layer branch, makes Cephalotaxus mannii seedling layer group light transmittance reach 30%;
(2) the Cephalotaxus mannii seedling is divided and to move: from dredging principle, special concrete community Cephalotaxus mannii seedling year class and environment (soil) situation are divided concrete community Cephalotaxus mannii seedling and are moved, promptly at 200m according to plant
23 ages of soil conservation 10 strains are following, 5 strain 4-10 ages, 3 strains above Cephalotaxus mannii seedling in 10 ages; And be aided with child care measures such as ridging, fertilising; Unnecessary seedling branch moves on to other local correct position.
By this system schema, after 5 years in the group Cephalotaxus mannii seedling also preserve 11 strains, survival rate brings up to 67%, improves Cephalotaxus mannii population coverage rate to 25% in the group, transforms that the Cephalotaxus mannii population is an expanding population in the group.
Embodiment 2:
(1) group's subenvironment finishing: group suitably repairs to the Cephalotaxus mannii seedling, promptly suitably removes big tree of upper strata arbor and big shrub layer branch, makes Cephalotaxus mannii seedling layer group light transmittance reach 60%;
(2) the Cephalotaxus mannii seedling is divided and to move: from dredging principle, special concrete community Cephalotaxus mannii seedling year class and environment (soil) situation are divided concrete community Cephalotaxus mannii seedling and are moved, promptly at 200m according to plant
23 ages of soil conservation 20 strains are following, 10 strain 4-10 ages, 5 strains above Cephalotaxus mannii seedling in 10 ages; And be aided with child care measures such as ridging, fertilising; Unnecessary seedling branch moves on to other local correct position.
By this system schema, after 5 years in the group Cephalotaxus mannii seedling also preserve 18 strains, survival rate brings up to 51%, improves Cephalotaxus mannii population coverage rate to 50% in the group, transforms that the Cephalotaxus mannii population is an expanding population in the group.
Implement by technical method of the present invention, different group's subenvironment finishing, Cephalotaxus mannii seedling divided to move to replenish with seedling and can cause in different Cephalotaxus mannii seedling percents and the group Cephalotaxus mannii population structure feature in the Cephalotaxus mannii population coverage rate and group.
Claims (1)
1, cephalotaxus hainanensis field nursing method is characterized in that carrying out according to following step:
(1) group's subenvironment finishing: group suitably repairs to the Cephalotaxus mannii seedling, promptly suitably removes big tree of upper strata arbor and big shrub layer branch, makes Cephalotaxus mannii seedling layer group light transmittance reach 30-60%;
(2) the Cephalotaxus mannii seedling is divided and to move: from dredging principle, special concrete community Cephalotaxus mannii seedling year class, environment and soil regime are divided concrete community Cephalotaxus mannii seedling and are moved, promptly at 200m according to plant
2Following, 5-10 strain 4-10 age 3 ages of soil conservation 10-20 strain, 3-5 strain above Cephalotaxus mannii seedling in 10 ages; And be aided with ridging, fertilising child care measure; Unnecessary seedling branch moves on to other local correct position;
(3) seedling is replenished: will replenish plantation at group's correct position by the Cephalotaxus mannii seedling that other method such as cuttage, seedling breeding, tissue culture different modes obtain, planting density reference above (2) goes on foot content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009101842114A CN101637114B (en) | 2009-08-14 | 2009-08-14 | Cephalotaxus hainanensis field nursing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101842114A CN101637114B (en) | 2009-08-14 | 2009-08-14 | Cephalotaxus hainanensis field nursing method |
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| CN101637114A true CN101637114A (en) | 2010-02-03 |
| CN101637114B CN101637114B (en) | 2012-03-21 |
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| CN2009101842114A Expired - Fee Related CN101637114B (en) | 2009-08-14 | 2009-08-14 | Cephalotaxus hainanensis field nursing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838829A (en) * | 2014-02-14 | 2015-08-19 | 周欣 | Asexual rapid propagation method for high quality edible Chinese torreya |
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2009
- 2009-08-14 CN CN2009101842114A patent/CN101637114B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104838829A (en) * | 2014-02-14 | 2015-08-19 | 周欣 | Asexual rapid propagation method for high quality edible Chinese torreya |
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| CN101637114B (en) | 2012-03-21 |
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