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Asian osmunda cinnamomea four-step efficient spore breeding method

A four-stage technology of Osmanthus ramets, applied in botany equipment and methods, soilless cultivation, cultivation, etc., can solve the problems of low germination rate and slow propagation speed of Osmanthus spores in Asian ramets, and shorten the time for seedling cultivation Period, the effect of expanding the amount of resources

Inactive Publication Date: 2018-10-16
NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a four-stage high-efficiency spore seedling raising method for Asian ramet Osmanthus spores in order to solve the problems of low germination rate and slow propagation speed of Osmanthus spores

Method used

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  • Asian osmunda cinnamomea four-step efficient spore breeding method

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specific Embodiment approach 1

[0013] Specific implementation mode one: the method for cultivating seedlings of Osmanthus sageii four-stage high-efficiency spores in the present embodiment is implemented according to the following steps:

[0014] 1. Spore storage and sporulation stage: Sow the spores of Osmanthus argentina spores stored at -20°C for less than 1 year or 20°C for 3 weeks on the substrate. The spore seeding method is liquid spray or broadcast to control the seeding The amount is 0.5~1g / m 2 ;

[0015] 2. Spore germination to the middle stage of the prothallus: 12 days to 15 days after the germination of the spores, the spores develop to the middle stage of the prothallus. From germination to the middle stage of the prothallus, keep the daytime temperature of the nursery shed at 25°C to 30°C, and the temperature at night The temperature is 15°C-18°C, the soil moisture content is 60%-80%, and the air humidity is above 90%-100%, and the seedlings are raised to the middle stage of the prothallus; ...

specific Embodiment approach 2

[0018] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the spore-seeding period in step 1 is mid-April or mid-to-late August.

specific Embodiment approach 3

[0019] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the substrate for spore seeding in step 1 is forest humus.

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Abstract

The invention discloses an Asian osmunda cinnamomea four-step efficient spore breeding method and relates to a spore breeding method for edible and medicinal pteridophytes in order to solve the problems that the germination rate of Asian osmunda cinnamomea spores is low, and the reproduction speed of the Asian osmunda cinnamomea spores is low. The spore breeding method includes the steps that 1, the Asian osmunda cinnamomea spores are spread onto a substrate; 2, the daytime temperature of a seedling breeding shed is maintained at 25-30 DEG C from a germination period to a metaphase of prothalliums, wherein the soil water content is 60-80%, and the air humidity is 90-100% or above; 3, 16-30 days after germination of the spores, atomizing is carried out for wetting, when 30-35% of prothalliums grow into sporophyte seedlings, temperature control and humidity reduction are carried out, a sun-proof net is hung outside the seedling breeding shed, air circulation and cooling are carried out,and transplanting is carried out after each sporophyte seedling grows out three leaves; 4, an open seedling bed is adopted for cultivation. According to the characteristics and physical demands of each growth stage of the spores, the efficient spore breeding method is created, transformation from the spores into pteridophyte seedlings can be facilitated, and the seedling breeding cycle is shortened.

Description

technical field [0001] The invention relates to an edible and medicinal fern spore seedling raising method, which is an efficient seedling raising method formulated according to the characteristics of different stages of spore development. Background technique [0002] Branch Osmunda (scientific name: Osmunda cinnamomea Osmunda cinnamomea), is a terrestrial plant under the genus Osmunda cinnamomea. Osmunda cinnamomea L.var.asiatica Fernald in Rhodora is a variety of Osmunda cinnamomea L.var.asiatica Fernald in Rhodora, which is mainly distributed in Jilin, Heilongjiang, western Sichuan and northwestern Yunnan in China. The young stems and leaves of Osmanthus asiatica are edible and nutritious, and the whole herb can be used as medicine. Medicinal ferns. Under natural conditions, the germination rate of Osmanthus spores in Asian ramets is low, and the reproduction speed is slow, and due to over-exploitation in recent years, its wild resources are increasingly depleted. Co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00
CPCA01G31/00
Inventor 赵恒田范丽莉邵玲玲臧丹丹
Owner NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
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