Quick and high-efficiency cephalotaxus hainanensis seed germinating and high-quality seedling breeding method

A technology for seeds and torreya, applied in the field of fast and efficient germination of torreya seeds in Hainan and cultivation of high-quality seedlings, can solve the problems of inability to emerge, low emergence rate, inability to apply and popularize, etc., and achieve the effect of improving the germination rate and easy operation.

Inactive Publication Date: 2010-02-03
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

In addition, there are also people who have studied the use of traditional tissue culture methods to propagate seedlings of Torreya hainanensis, but basically no seedlings can emerge, or the emergence rate is very low, and application and promotion cannot be carried out (Fu W...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] (1) Seed collection: collect 20 seeds of Torreya sinensis that are close to maturity or mature;

[0016] (2) Preparation of seed germination substrate: The seed germination substrate is a mixture of soil and surface humus collected from wild Torreya chinensis community: coconut bran = 1:1;

[0017] (3) Seed dormancy release: Soak the collected Torreya sinensis seeds in 0.5mM HCl at room temperature (25°C) for 32h. Then rinse them with sterile water for 3 times; and then place them at a low temperature of 1°C. Store for 1 week to release the dormancy of the seeds;

[0018] (4) Seed germination: seeds released from dormancy were sown into the prepared seed germination substrate, and germinated at room temperature (18°C); 5 weeks later, 19 new green rooted seedlings were obtained, and the emergence rate exceeded 95%;

[0019] (5) Domestication and transplanting: 19 seedlings were moved to a new substrate (same seed germination substrate) to make potted seedlings, and the ...

Embodiment 2

[0021] (1) Seed collection: collect 20 seeds of Torreya sinensis that are close to maturity or mature;

[0022] (2) Preparation of seed germination substrate: The seed germination substrate is a mixture of soil and surface humus collected from wild Torreya chinensis community: coconut bran = 3:1;

[0023] (3) Relief of seed dormancy: The collected Torreya chinensis seeds that are close to maturity or mature are placed in 1 mM C 2 H 4 O 2 Soak at room temperature (25°C) for 16h. Then rinse with sterile water for 6 times; then store at 10°C for 3 weeks to release the dormancy of the seeds;

[0024] (4) Seed germination: seeds released from dormancy were sown into the prepared seed germination substrate, and germinated at room temperature (35°C); 19 new green rooted seedlings were obtained in 3 weeks, and the emergence rate exceeded 95%;

[0025] (5) Domestication and transplanting: 19 seedlings were moved to a new substrate (same seed germination substrate) to make potted see...

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PUM

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Abstract

The invention provides a quick and high-efficiency cephalotaxus hainanensis seed germinating and high-quality seedling breeding method which relates to a quick and high-efficiency plant seed germinating and high-quality seedling breeding method. The method comprises the following steps: (1) seed collection: collecting cephalotaxus hainanensis seeds to be matured or matured seeds; (2) preparation of seed germinating matrixes; (3) release of seed dormancy; (4) seed germination; and (5) acclimatization and transplantation. The invention can enhance the seed germinating bud ratio by more than 85%,the seedling viability exceeds 90%, the uniform high-quality cephalotaxus hainanensi seedlings can be produced, and the viability of seeds transplanted to fields can also exceed 90%; compared with the traditional method, the stocking time is shortened by about 2/3; the related facilities and processes of tissue culture and the like are not required, so the operation is convenient; the invention provides technical support for the quick propagation and restoration protection of rare or endangered species of cephalotaxus hainanensis and the development and the utilization of resources.

Description

technical field [0001] The invention relates to a method for rapid and efficient germination of plant seeds and cultivation of high-quality seedlings, in particular to a method for rapid and efficient germination and cultivation of high-quality seedlings of Torreya chinensis seeds. Background technique [0002] Cephalotaxus hainanensis Li (Cephalotaxus hainanensis Li) 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 Torreya sinensis not only has the highest effective alkaloid content among the tricuspid family, but also has the most significant curative effect. It is currently recognized as one of the best anti-cancer tree species. In addition, this tree species has been repeatedly felled due to its excellent material quality, and its population is small. It is one of the most important rare and endangered ...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C1/08A01C1/00
Inventor 杜道林祁珊珊戴志聪宋经元杨冬华王有生魏建和
Owner JIANGSU UNIV
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