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Seedlings growing method for promoting emergence rate of paris yunnanensis franch seeds

A seedling emergence rate and seed technology, applied in germination equipment, application, cultivation, etc., can solve the problems of long emergence time and low emergence rate

Inactive Publication Date: 2008-03-26
云南省农业科学院高山经济植物研究所
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Problems solved by technology

[0003] In order to solve the problems of long emergence time and low emergence rate of P. yunnanensis seeds, the present invention provides a seedling raising method of P. yunnanensis seeds with short emergence time, high emergence rate and low seedling cost

Method used

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Embodiment Construction

[0005] 1. Seed collection and processing

[0006] The primary task of Yunnan Zhonglou seedling raising is to collect high-quality seeds, which are usually collected in September-October. When harvesting, choose mature and full-bodied seeds. The outer seed coat of the seeds is dark red, soft and juicy. After the seeds are harvested, the seeds should be processed in time to prevent mildew and rot after accumulation. After harvesting, put the collected seeds in gauze, rub the outer testa in running water, wash the seeds, and remove the transparent and soft small seeds. Choose seeds that are uniform in size and have a thousand-grain weight greater than 30 grams. The seeds are smooth milky white and have high particle hardness.

[0007] 2. Germination of seeds

[0008] The seeds of Zhonglou yunnanensis are post-embryo-ripening seeds, and the embryo morphology of the seeds stays at the protosphere stage when harvested, and the development and germination of the embryos are closely...

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Abstract

The present invention relates to a seedling cultivating method for raising rate of emergence of paris polyphylla smith var, yunnanensis seeds. Said method is short in time of emergence, high in rate of emergence and low in cost for cultivating seedlings. Said method includes the following steps: selecting ripe seed, removing outer seed peel, placing the seed and soil in a seedling cultivating frame interior by layers according to the volume ratio of 1:3-5, under the condition of that the relative humidity of soil in the seedling cultivating frame is 50-80% and its temperature is 18-20deg.C placing for 90-130 days, then sowing in greenhouse seedling bed, the thickness of greenhouse seedling bed soil layer is 5-10cm and the thickness of covering soil after sowing is 1-3cm. As compared with other method for cultivating seedlings the time for cultivating seedlings can be shortened to 5-6 months, and the rate of emergence can be reached to above 60%.

Description

technical field [0001] The invention relates to a seedling raising method of Chonglou yunnanensis. Background technique [0002] The main method of raising seedlings of Chonglou yunnanensis mainly includes two methods: seed raising and rhizome cutting and section raising. Although the rhizome cutting and section raising seedlings have a short seedling period, the cost of seedlings is relatively high; because the seeds of Yunnan Chonglou have post-embryonic physiological characteristics, It takes two years to germinate under natural conditions, and the emergence rate is quite low. In order to solve the problem of low germination rate of Chonglou seeds, the Kunming Institute of Botany, Chinese Academy of Sciences carried out research on the germination method of Chonglou seeds, and applied for the Chinese patent of "Seed Germination and Propagation Method of Chonglou" (Patent No. ZL98118955.5 ), the patent proposes that the seeds of Polygonum yunnanensis are treated with a se...

Claims

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Application Information

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IPC IPC(8): A01C1/02A01G9/10
Inventor 袁理春陈翠杨丽云吕丽芬赵琪徐中志康平德
Owner 云南省农业科学院高山经济植物研究所
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