Excellent flavour rice breeding method

A kind of edible rice, excellent technology, applied in the field of cultivation of high-quality edible rice, can solve the problems of poor eating quality, lack of high-quality varieties, constraints, etc., achieve the effects of shortening the breeding period, broad application prospects, and improving selection efficiency

Active Publication Date: 2008-09-24
JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, the poor taste quality and the lack of high-quality varieties that are competitive in the international

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0024] The parent Wuxiangjing 14, a high-yield japonica rice variety from Jiangsu, was bred by the Rice and Wheat Breeding Farm in Wujin District, Jiangsu Province. It was approved and named in 2003. The genotype of the Wx locus is Wx-bWx-b. The variety has a full growth period of 156 days, a plant height of 98-102cm, 8-10 effective panicles per plant, 110-120 grains per panicle, a seed-setting rate of 92%-93%, and a thousand-grain weight of 25-26g.

[0025] Kanto 194, a high-quality japonica rice variety with excellent taste (introduced from Japan), bred in Ibaraki Prefecture, Japan, was registered by the Ministry of Agriculture, Forestry and Fisheries in 2003, and the registered name is No. 387. Good taste, the Wx locus genotype is Wx-mqWx-mq, the whole growth period of this variety is 130-135 days, the plant height is 85-95cm, 6-8 effective panicles per plant, 100-110 grains per panicle, The seed setting rate is 93%-95%, and the thousand-grain weight is 24-25g.

[0026] Vari

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PUM

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Abstract

The invention relates to a breeding method of rice with good taste, which belongs to the rice hereditary improvement and biotechnology application field. Wuxiangjing14 of the Jiangsu high-yielding non glutinous rice variety is hybridized with Guandong 194 of the high quality non glutinous rice variety to fit a group; F4 begins to select an individual plant; F5 begins to perform molecule labeling auxiliary selection, a good taste variety Nanjing 46 with stable and consistent economical character is obtained, and the mutant gene type of the dark endosperm thereof is Wx-mqWx-mq. The rice variety of the Nanjing 46 carrying the mutant gene locus is breeded, the appearance of the endosperm is nebulous and milk-white, has a little worse transparence, runny rice quality, and transparent and bright surface, synthesizes the flexibility of sticky rice and the elasticity of rice, the cold rice is not hard, the taste and the quality are very good. The breeding method of rice with good taste has wide application prospect in the areas where the late round-grain nonglutinous rice is planted, such as Jiangsu, Shanghai, and Zhejiang, etc.

Description

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Claims

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Application Information

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Owner JIANGSU ACADEMY OF AGRICULTURAL SCIENCES
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