Method for breaking dormancy of kmeria septentrionalis seeds

A unisexual magnolia and seed technology, applied in the direction of seed and rhizome treatment, application, agriculture, etc., can solve problems such as poor effect, shorten the time required for germination, etc., and achieve the effect of reducing content, increasing content, and preventing rot and deterioration.
CN106508166AInactive Publication Date: 2017-03-22GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGXI BOTANICAL GARDEN OF MEDICINAL PLANTS
Publication Date
2017-03-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention discloses a method for breaking dormancy of kmeria septentrionalis seeds, and the method includes the following steps: seed disinfection: disinfecting kmeria septentrionalis seeds; gibberellin and stratification treatment: soaking disinfected kmeria septentrionalis seeds in a GA3 solution with a concentration of 0.5-2 mmol / L for 12-24 hour, then mixing with wet perlite at a volume ratio of 1:3, storing in a plastic valve bag, sealing the bag and putting in a 4 DEG C constant-temperature incubator for stratification for 90-100 days; germination accelerating: sowing the seeds subjected to stratification in a germination box, employing wet perlite as a matrix, putting the germination box in a seed germination case, controlling the temperature at 30 DEG C for 12 hours under a light condition, then controlling the temperature at 20 DEG C for 12 hours under a dark condition, alternating the above two operations for 28 days and then stopping accelerating germination. The method can break the dormancy of kmeria septentrionalis seeds, shorten the time for germination, and effectively improve the germination percentage of kmeria septentrionalis seeds.
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Description

technical field

[0001] The invention relates to the technical field of seedling production and breeding, in particular to a method for breaking the dormancy of unisexual magnolia seeds. Background technique

[0002] Monosexual magnolia is an evergreen broad-leaved tree species of the genus Monosexual Magnolia in the Magnolia family. It has a tall tree body, beautiful tree shape, white and fragrant flowers, and excellent material. It is a precious timber tree species and garden greening tree species. Monosexual magnolias are only distributed in the Maolan National Nature Reserve in Libo County, Guizhou and the Mulun National Nature Reserve in Guangxi. They are distributed in patches only in the Guangxi Mulun National Nature Reserve in Huanjiang, with an area of ​​about 3hm 2 , there are 200 existing forest trees. Under natural conditions, the germination rate of unisexual magnolia is extremely low, and its natural regeneration ability is poor, so it is listed as a first-cla...

Claims

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