Inheritance of Cytoplasmic Malesterility in Sudangrass1
- Sultanul Alam and
- P. C. Sandal2
Inheritance of cytoplasmic male-sterility was studied in F2 and BC1 generations within crosses of male-sterile Sorghum arundinaceum var. Rhodesian with six lines of sudangrass, Sorghum vulgare var. sudanense. All F1 progenies were male-fertile indicating that the males carried dominant fertility restorer genes.
Based on the segregation of male-fertile to male-sterile plants in the F2 and BC1 generations, male-sterility was conditioned by one gene pair in three crosses, two gene pairs in two crosses and by three gene pairs in one cross. Fertility was dependent on at least a single dominant fertility restorer gene at each of any two of the three gene loci identified.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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