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Inheritance of Cytoplasmic Malesterility in Sudangrass 1
Author(s) -
Alam Sultanul,
Sandal P. C.
Publication year - 1967
Publication title -
crop science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.76
H-Index - 147
eISSN - 1435-0653
pISSN - 0011-183X
DOI - 10.2135/cropsci1967.0011183x000700060034x
Subject(s) - biology , sterility , cytoplasmic male sterility , genetics , inheritance (genetic algorithm) , fertility , gene , sorghum , botany , agronomy , population , demography , sociology
Inheritance of cytoplasmic male‐sterility was studied in F 2 and BC 1 generations within crosses of male‐sterile Sorghum arundinaceum var. Rhodesian with six lines of sudangrass, Sorghum vulgare var. sudanense. All F 1 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 F 2 and BC 1 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.