Patent
Polymerization breeding method for rice
Wu Dianxing,Shu Xiaoli,Wang Yin,Sun Jian,Ning Zhang,Haizheng Xiong +5 more
- 14 Jan 2015
6
TL;DR: In this article, a polymerization breeding method for rice is proposed. But the method is not suitable for rice varieties with high agronomic traits, and it is short in breeding period.
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Abstract: The invention discloses a polymerization breeding method for rice. The polymerization breeding method for the rice comprises the following steps: selecting and determining a backbone variety of rice, taking four mutant varieties of the backbone variety of the rice as breeding materials, wherein different mutant varieties at least have one different excellent agronomic trait; grouping the four mutant varieties into two groups, mutually hybridizing the two mutant varieties in the first pair to obtain first double-cross F1 plants, and mutually hybridizing the two mutant varieties in the second pair to obtain second double-cross F1 plants; mutually hybridizing the first double-cross F1 plants and the second double-cross F1 plants to obtain four-way-cross F1 plants; carrying out selfing on the four-way-cross F1 plants, selecting four mutant varieties in four-way-cross F2 plants and polymerizing to obtain a single polymerization plant with excellent agronomic trait; and systemically breeding the posterities of the single polymerization plant. The high-speed polymerization breeding method for the rice is simple, convenient and efficient, and is short in breeding period.
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Citations
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Mei Shufang,Zhang Shusheng,Zhao Hua +2 more
- 22 Aug 2017
TL;DR: In this paper, a breeding method for special rice with resistance to diseases and pests is described, which includes the following steps: selecting a disease-resistant parent I, an antixosis pest resistant parent II and a special rice parent III, carrying out hybridization so as to obtain F1 (the parent I/the parent II), subjecting F1 to hybridization with the parent III to obtain triple-cross F1 seed, constructing a doubled haploid (DH) population from the triple-Cross F1 seeds by using anther culture technology and harvesting DH0-
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Wu Dianxing,Zhang Ning,Huang Jiajia,Shu Xiaoli,Wang Yin,Ding Yi,Fu Ji +6 more
- 21 Jul 2017
TL;DR: A breeding method for a large-grain sweet-endosperm soft-kernel rice variety was revealed in this article, where a rice kernel product for teaching in joyful activities was developed, which enriches the purposes of traditional rice, increases the added value of rice and can be integrated with leisure food and the tourist industry.
1
Patent
Breeding method for yellow-endosperm paddy rice
Wu Dianxing,Gong Wanxin,Zhang Ning,Wang Yin,Shen Yi +4 more
- 15 Jan 2019
TL;DR: In this paper, a breeding method for yellow-endosperm paddy rice was proposed, wherein the method includes the steps: with high-fat-content paddies as a parent A, high-amylose-content Paddies As a parent B, a yellow-leaf paddys As a female parent C, hybridizing with the parent B and the parent C respectively to obtain F1A/B and F1a/C respectively, mutually hybridising with the F 1A/C as afemale parent and obtaining a re-hybrid
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Patent
Pyramiding breeding method of disease-/pest-resistant paddy rice enriched in multiple nutrients
Wu Dianxing,Ding Qingwen,Shu Xiaoli,Zhang Ning,Wang Yin,Fu Ji,Huang Jiajia,Zhu-Zhang Shichang +7 more
- 31 May 2017
TL;DR: In this paper, a pyramiding breeding method of disease-pest-resistant paddy rice enriched in multiple nutrients is presented, which comprises the following steps of selecting disease-resistant Paddy rice as a parent I, pest-resistant PMR rice as parent II, giant-embryo paddy Rice as parent III and red-rice PMR as parent IV, and hybridizing the parents in pairs to obtain two single-cross F1 generations.