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Breeding method of detoxified miniature bean of Chinese yam

A kind of Qi yam, miniature technology, applied in the fields of biology and agricultural biology, can solve the problems of not being able to adapt to the high-quality and high-yield of Qi yam, industrialized and standardized production, virus harm, virus disease harm, etc., to avoid susceptible to viruses and germs, The effect of less labor and high reproduction coefficient

Inactive Publication Date: 2014-10-15
HUBEI POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during the growth process of asexually propagated plants, they are almost always harmed by viruses to varying degrees, or even by several kinds of viral diseases at the same time. If they are propagated by traditional asexual reproduction methods, the viruses will be passed on from generation to generation, and the more infected they will be, the more serious they will be.
Therefore, the traditional planting habits can no longer meet the needs of high-quality, high-yield, industrialized and standardized production of Qiyam.

Method used

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  • Breeding method of detoxified miniature bean of Chinese yam

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Effect test

Embodiment 1

[0034] In February 2012, the detoxified test-tube seedlings of Qiyam were transplanted on the vermiculite seedbed in the greenhouse with a density of 350 plants / m 2 , a total of 50m2 , 17,500 seedlings, when the seedlings grow to 5-6 flat leaves, when the height of the seedlings is 7-9cm, start cutting propagation according to the above-mentioned technical plan method, count 2-3 leaves from the base and cut off the top for cuttings, after 10 days Cutting once more, each test tube seedling can be cut twice on average, and the planting area of ​​the final seedbed reaches 150m 2 , a total of 52,500 plants, and a total of 62,450 Qiyam detoxified miniature beans were harvested at the end of April. According to the density of 7000 plants / mu of the original seed produced under the isolation condition, the field of 8.9 mu can be sown. If it is calculated as 3 stubbles a year, it can provide 8.9×3=26.7 mu of Qiyam original seed production.

Embodiment 2

[0036] In February 2012, the Qiyam detoxification test tube and zero-surplus seedlings were transplanted on the vermiculite seedbed in the greenhouse with a density of 350 plants / m 2 , a total of 50m 2 , 17,500 seedlings, when the seedlings grow to 5-6 flat leaves, and the height of the seedlings is 7-9cm, start cutting propagation according to the above method, count 2-3 leaves from the base, cut off the top for cutting, and then cut after 10 days Once, each test-tube seedling can be cut twice on average, and the planting area of ​​the final seedbed reaches 150m 2 , a total of 52,500 plants, and a total of 60,340 Qiyam detoxified miniature beans were harvested at the end of April. According to the density of 7000 plants / mu of original species produced under isolation conditions, 8.6 mu of fields can be sown. If it is calculated as 3 crops a year, it can provide 8.6×3=25.8 mu of Qiyam original seed production.

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Abstract

The invention relates to a breeding method of Qi dioscorea opposita virus-free miniature seed beans. The breeding method mainly comprises the following steps of: acclimatization of test-tube seedlings, indoor plug seedling of trained or virus-free test-tube bulbil, and soilless cultivation of Qi dioscorea opposita virus-free miniature seed beans in an insect-proof greenhouse. In the breeding method, by applying Qi dioscorea opposita virus-free test-tube tissue culture seedlings or bulbil after tissue culture as a material, the Qi dioscorea opposita virus-free miniature seed beans are bred in the insect-proof greenhouse so as to further improve a Qi dioscorea opposita virus-free breeding system. The breeding method has the advantages of simpleness in operation, practicality, low cost, high quality and reproduction speed, realization of standardized and factory-like mass production, and the like. When the breeding method is applied in the production of Qi dioscorea opposita virus-free seedlings, the seedling breeding cycle can be shortened, the seedling production quality can be improved, and the seedling production cost can be reduced.

Description

technical field [0001] The invention relates to a rapid propagation method of virus-free miniature seedlings of Chinese yam, which realizes large-scale and standardized production of virus-free seedlings of Chinese yam through plant tissue culture, and belongs to the fields of applied biology and agricultural biotechnology. technical background [0002] Chinese yam is a plant of the genus Dioscorea in the family Dioscoreaceae ( Dioscorea spp. ) is a common name for root tubers, which is a traditional medicinal and edible economic crop with a planting history of more than 2,000 years in my country. Qi yam ( Dioscoreae Oppositae "Qi") belongs to the family yam species. It is a local yam variety grown on a large scale in eastern Hubei, which is the origin of Qichun County, Hubei Province, the hometown of medical sage Li Shizhen. The unique local soil and climate conditions have given birth to the characteristics of Qishan medicine, which are big and fat, fine meat, white and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01H4/00
Inventor 康薇郑进金裕华
Owner HUBEI POLYTECHNIC UNIV