2005•Unpublished venueRequires access

GENETIC EXPRESSION OF INDUCED RICE STERILITY UNDER ALIEN-CYTOPLASM

Wang Nai-yuan

Abstract

Rice restorer lines were treated with 60Co γ-ray and 4 male sterile mutants obtained with the fertility of controlled by 4 non-allelic recessive genes, respectively. Sixty combinations were made by using male sterile plants/fertile plants as male parents, and 15 different cytoplasmic substitution lines of the same cell nucleus as female parents.The result showed that F_1 spikelets were normal and fertile, and different numbers of male sterile plants were segregated in F_2. Complete fertility genotype was not found among interactions between induced male sterile genes and alien-cytoplasms.=

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Key concepts: Sterility, Biology, Cytoplasmic male sterility, Genetics, Gene, Alien, Cytoplasm, Fertility