Polyploid rice two-line restorer line and breeding method thereof

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United States of America Patent

PATENT NO 11039587
APP PUB NO 20180206424A1
SERIAL NO

15926239

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Abstract

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A breeding method of a polyploid rice two-line restorer line includes determining hybrid parents for breeding the restorer line; breeding a restorer line of an indica sterile/japonica restorer type, or breeding a restorer line of a japonica sterile/indica restorer type, and carrying out backcrossing or composite hybridization after hybridization of the parents; selecting a single plant that meets the breeding goal, carrying out composite hybridization again and carrying out preliminary molecular marker detection; comparing, and selecting a single plant with good traits for continuous selfing until the line is basically stable; selecting a stable line with good traits and detection molecular markers; carrying out test-crossing on the preferred line as a male parent with different types of polyploid sterile lines; and selecting a good hybrid combination and a restorer line thereof.

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Patent Owner(s)

Patent OwnerAddress
WUHAN POLYPLOID BIOTECHNOLOGY CO LTDSHAKOU BRANCH FARM OF WUHU FARM HUANGPI DISTRICT WUHAN HUBEI
HUBEI UNIVERSITY430000 NO 368 YOUYI AVENUE WUCHANG DISTRICT WUHAN CITY HUBEI PROVINCE WUHAN CITY HUBEI PROVINCE 430000

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cai, Detian Hubei, CN 3 0
He, Yuchi Hubei, CN 3 0
Liu, Yuhua Hubei, CN 10 11
Song, Zhaojian Hubei, CN 3 0
Wang, Wei Hubei, CN 2815 17926
Zhang, Xianhua Hubei, CN 6 0

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