Breeding method for corn male sterile line

The invention discloses a breeding method for a corn male sterile line. A male sterile line of corn selfing line is obtained by backcross breeding with corn S-type cytoplasmic male sterile line MD32CGMCC No.8657 as a donor and the corn selfing line as an acceptor. Experiments demonstrate that the br...

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Bibliographic Details
Main Authors SONG WEI, XING JINFENG, WANG YUANDONG, WANG FENGGE, ZHAO JIURAN, DUAN MINXIAO, LI RUIYUAN
Format Patent
LanguageEnglish
Published 21.01.2015
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
NEW PLANTS OR PROCESSES FOR OBTAINING THEM
PLANT REPRODUCTION BY TISSUE CULTURE TECHNIQUES
TRAPPING
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Summary:The invention discloses a breeding method for a corn male sterile line. A male sterile line of corn selfing line is obtained by backcross breeding with corn S-type cytoplasmic male sterile line MD32CGMCC No.8657 as a donor and the corn selfing line as an acceptor. Experiments demonstrate that the breeding method provided by the invention has the following advantages that (1) by combining a marker-assisted selection technology and the backcross breeding technology, the breeding speed of the sterile line is accelerated and Jing 724 sterile line S-jing 724 can be obtained only by three backcross generations; and (2) the S-type sterile line MD32 selected by the breeding method presents stable and thorough sterility in a plurality of genetic backgrounds and is not used in reported studies on corn hybrid male sterile breeding.
Bibliography:Application Number: CN20131751112