Breeding method of grape clone varieties

A clone and grape technology, applied in the breeding field of grape clone varieties, can solve the problem of low probability of natural bud mutation, and achieve the effect of safe and stable operation and high mutation probability

Inactive Publication Date: 2012-07-04
ZHEJIANG WANLI UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] Grapes are prone to bud mutation in nature. At present, some excellent varieties in cultivation are successfully selected and bred by natural bud mutation, but the probability of natural bud mutation is low. Using artificial mutagenesis can greatly increase the mutation probability of grapes, which is a good way to breed fine grape varieties , but the method of using artificial mutation to breed grapes is rarely reported

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0026] Take "Yinhong" as an example. "Yinhong" is an excellent variety popularized in Ningbo area. It is a European and American hybrid. The general ear weight is 500-700 grams. The fruit is oval, with an average grain weight of about 12 grams. The peel is purplish red and has a strong flavor. The maturity period of greenhouse cultivation in Ningbo is generally from the end of July to mid-August.

[0027] (1) Determination of breeding goals: the main breeding goal is early maturity, and other characteristics are similar to "Yinhong".

[0028] (2) Selection of breeding materials: Mutagenic seeds were collected from "Yinhong" plants that were pure in variety, had entered the full fruit stage, grew robustly, and were free from diseases and insect pests. When the grapes are fully ripe, generally around mid-August in Zhejiang Province, select fruits with neat ears and well-developed fruit grains to collect seeds. After the seeds are collected, select plump seeds, rinse and wash ...

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Abstract

The invention discloses a breeding method of grape clone varieties. The breeding method is characterized in that good disease-resistance early-maturing and high-quality grape single strains are obtained in a manual physical mutagenesis mode. The breeding method concretely comprises the steps of breeding target determination, full and mature seed collection, physical mutagenesis, ray irradiation by 60Co gamma rays with the dosage being 100 to 300Gy at the dosage rate being 10Gy/min, seed seeding, seedling culture for 3 to 6 years, single strain selection (observation selection through biological and botanical properties, economic characteristics and the like), mutation property gene analysis, good single strain region test, culture measure summarizing and popularization. The good single strains obtained by the method have the advantages of disease resistance, early mature, high quality and the like.

Description

technical field [0001] The invention relates to the technical field of fruit tree breeding, and specifically refers to a breeding method for obtaining an excellent grape clone variety, that is, a grape clone variety, by means of modern biotechnology (physical mutagenesis). Background technique [0002] Grape is a plant belonging to the family Vitaceae and the genus Vitis. It originated from the coasts of the Black Sea and the Mediterranean Sea. It is one of the most widely distributed and adaptable fruit trees. At present, thousands of varieties have been formed in the world. In my country, it is cultivated in all provinces and cities from Heilongjiang in the north to Hainan Island in the south. At present, the methods of breeding new varieties of grapes at home and abroad mainly include hybrid breeding and bud mutation selection. Breeding is already possible, but few successful reports have been made. [0003] Grapes are prone to bud mutation in nature. At present, some e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/06A01H1/04
Inventor 吴月燕王忠华崔鹏
Owner ZHEJIANG WANLI UNIV
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