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GrainGenes Reference Report: CRS-40-640

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Reference	CRS-40-640
Title	Identification of hybrid sterility gene loci in two cytoplasmic male sterile lines in rice
Journal	Crop Science
Year	2000
Volume	40
Pages	640-646
Author	Devanand PS Rangaswamy M Ikehashi H
Abstract	Summary: In hybrid rice (Oryza sativa L.) breeding, spikelet sterility is a barrier to attaining enhanced heterosis in crosses between different groups or subspecies of rice. Our objective was to identify the hybrid sterility gene loci (HSGLi) in two indica cytoplasmic male sterile A lines ('IR58025A' and 'IR62829A') and their corresponding maintainer B lines ('IR58025B' and 'IR62829B'). To detect the HSGL, three testers, 'IR36' (indica cultivar), 'Dular' (indica wide compatibility variety [WCV]) and 'Nekken 2' (japonica WCV) were crossed to the two groups in the form of IR36/WCV
Keyword	[ Hide all but 1 of 24 ] alleles backcrossing breeding chromosome cms dominant fertility gene genotype heterosis hybrid hybrid rice indica isozyme japonica loci marker marker genes oryza sativa pollen progeny rice sterility wide compatibility

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