Polyploid rice photo-thermo-sensitive genetic male sterile line and breeding method thereof

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United States of America Patent

PATENT NO 11051469
APP PUB NO 20180206425A1
SERIAL NO

15926156

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Abstract

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A breeding method of a polyploid rice photo-thermo-sensitive genetic male sterile line includes determining a diploid rice line with photo-thermo-sensitive genetic male sterility or PMeS characteristic as a parent; carrying out hybridization on a diploid photo-thermo-sensitive genetic male sterile line and a diploid PMeS gene line, carrying out doubling culture on a young ear of a hybrid plant into a hybrid tetraploid; back-crossing the hybrid tetraploid with a tetraploid photo-thermo-sensitive genetic male sterile line; selecting a tetraploid male sterile plants from the back-crossed progeny, self-crossing during a low-temperature and short-day fertile period, and then carrying out composite hybridization with another tetraploid rice line having PMeS gene; selecting tetraploid male sterile plants, and detecting the stability of tetraploid male sterile plants after multiple generations of continuous self-crossing; and determining the stable and consistent tetraploid rice sterile line as the polyploid rice photo-thermo-sensitive genetic male sterile line, named as PSXXX.

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Patent Owner(s)

Patent OwnerAddress
WUHAN POLYPLOID BIOTECHNOLOGY CO LTDSHAKOU BRANCH FARM OF WUHU FARM HUANGPI DISTRICT WUHAN HUBEI
HUBEI UNIVERSITYNO 368 FRIENDSHIP AVENUE WUHAN CITY HUBEI PROVINCE 430000 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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