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A Preliminary Study on Utilization of Dominant Genetic Male Sterility in Brassica napus L.

Pu Zhang, Jianhua Tian, Dianrong Li

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Abstract

By the test cross for the dominant gentic male sterility(DGMS) heterozygous type 6CA and homozygous type 6AB, some of the temporary maintainer line and restore line of DGMS were selected. The double low variety used backcross male parent for double high GMS, the double low GMS had been bred through continuous backcross, at the same time, the double low hybrid has been bred. The dominant male sterility gene was transferred from DGMS 6AB into CMS, the genic and cytoplasmic male sterility (GCMS) was established.

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What this paper is about

By the test cross for the dominant gentic male sterility(DGMS) heterozygous type 6CA and homozygous type 6AB, some of the temporary maintainer line and restore line of DGMS were selected. The double low variety used backcross male parent for double high GMS, the double low GMS had been bred through continuous backcross, at the same time, the double low hybrid has been bred. The dominant male sterility gene was transferred from DGMS 6AB into CMS, the genic and cytoplasmic male sterility (GCMS) was established.

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Available abstract

By the test cross for the dominant gentic male sterility(DGMS) heterozygous type 6CA and homozygous type 6AB, some of the temporary maintainer line and restore line of DGMS were selected. The double low variety used backcross male parent for double high GMS, the double low GMS had been bred through continuous backcross, at the same time, the double low hybrid has been bred. The dominant male sterility gene was transferred from DGMS 6AB into CMS, the genic and cytoplasmic male sterility (GCMS) was established.

Key concepts: Sterility, Backcrossing, Biology, Software maintainer, Brassica, Genetics, Cytoplasmic male sterility, Gene

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