Sexual reproductive method of sedum alfredii

A technology of sexual reproduction and seeds, applied in the fields of botanical equipment and methods, fertilizer mixtures, horticulture, etc., can solve the problems of high storage and transportation costs, unfavorable preservation of germplasm resources, limited practical application value, etc., and achieves the promotion of popularization and application. Effect

Inactive Publication Date: 2007-10-24
ZHEJIANG UNIV
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AI Technical Summary

Problems solved by technology

Asexual reproduction can produce a large number of seedlings more economically and quickly, but it is not conducive to the preserv

Method used

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Examples

Experimental program
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Embodiment Construction

[0013] 1. Seed collection and storage:

[0014] Harvest non-super-accumulative eco-type and super-accumulative eco-type seeds with basically the same maturity in mid-to-late June and mid-July, and expose them to the sun for a week. Sampling sieve (5cm) separates lesser plant residues, separates seeds with 18 mesh nylon sampling sieves (aperture is 1.00mm, Zhejiang Shangyu Yarn Sieve Factory) again, and finally uses 100 mesh nylon sampling sieves (Zhejiang Shangyu Yarn Sieve) sieve plant) to remove fine grains of sand from the seeds. Note that when using a sieving sieve to sieve and separate, the seeds cannot be forced to sieve with gravity or sharp hard objects. The isolated seeds are air-dried in a cool place, vacuum-packed and stored in a cold storage (-20°C to 0°C).

[0015] 2. Germination:

[0016] Before germination, refrigerate the seeds at 4°C for 2-3 weeks to allow the immature seeds to finish ripening. Use tap water to select seeds, that is, put the seeds into a c...

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Abstract

The invention discloses a sexual reproducing method of southeast Crassulaceae, which comprises the following steps: harvesting ripe seed of Crassulaceae; exposing; picking; sieving; separating; airing under shadow; reserving at -20-0 deg. c; freezing the seed below 4 deg. c for 2-3 weeks before germinating; using tap water to select seed; sterilizing the seed through 0. 5%KMnO4; germinating on the paper bed; harvesting the seeding; transmitting the seeding into the base with vermiculite and pearlite; culturing through full-nourishing liquid of dicotyledon; transplanting the seeding into field until the seeding is 3-4cm. The invention can harvest large amount of sexual reproduced sprout of southeast Crassulaceae, which can restore the plant in the heavy metal polluted environment.

Description

technical field [0001] The invention relates to a sexual reproduction method of sedum sedum. Background technique [0002] With the development of industry and agriculture, the pollution of heavy metals such as Zn, Cu, Cr, Cd, Pb, Ni, Hg, As is becoming more and more serious. Heavy metal pollution is concealed, long-term and irreversible. Pollutants have the characteristics of poor mobility in soil, long residence time, and inability to be degraded by microorganisms. It not only reduces the yield and quality of crops, leads to the degradation of soil function and quality, and affects the healthy and sustainable development of agricultural production, but also pollutes surface water and groundwater through runoff and leaching, deteriorates the hydrological environment, and may pass through direct contact, food chains, etc. Ways to endanger human life and health. At present, the pollution of heavy metals in soil in my country is relatively serious, especially the compound po...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G31/00A01C1/00C05G1/00
Inventor 杨肖娥刘勇军冯英
Owner ZHEJIANG UNIV
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