Reports

Fertilit Restoration and Its Inheritance in Cytoplasmic Male-Sterile Wheat

Science  24 Apr 1964:
Vol. 144, Issue 3617, pp. 420
DOI: 10.1126/science.144.3617.420

Abstract

Male-sterile Triticum aestivum L. ‘Bison,’ possessing cytoplasm of T. timopheevi Zhuk., typically produces male-sterile progeny when pollinated with common wheat cultivars. A fertility restorer developed by transferring genes from T. timopheevi to T. aestivum produced fertile hybrids when used as the pollen parent in a cross with male-sterile Bison. Data on the F. and testcross plants indicate that two dominant genes, designated Rf1 and Rf2, condition fertility in wheats with T. timopheevi cytoplasm.

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