Abstract
The male sterile plants that segregated in a BC5F2 of `C. sericeus × C. cajan var. TT-5' population were maintained by sib mating. The male sterile plants were crossed with ICPL-85012.Approximately 50% of the F1 plants were sterile. F2 plants derived from the fertile F1 plants did not segregate for male sterility. The reciprocal hybrid i.e. ICPL-85012 × Fertile derivatives from C. sericeus × TT-5, did not express male sterility. However, among the 12 F2 plant to row progenies, two segregated 25% male sterile plants and remaining 10 did not segregate. The segregation pattern in subsequent progenies revealed that the sterility was under control of a single recessive allele. Studies on the backcross and their BC1F2 and BC1F3progenies revealed another sterility gene which was found to be dominant in inheritance. This paper shows that what was thought to be cytoplasmic male sterility from C. sericeus cytoplasm is actually a single dominant gene possibly acting in concert with a single recessive gene to mimic cytoplasmic male sterility.
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Wanjari, K., Patil, A., Patel, M. et al. Male sterility derived from Cajanus sericeus × Cajanus cajan: Confusion of cytoplasmic male sterility with dominant genic male sterility. Euphytica 115, 59–64 (2000). https://doi.org/10.1023/A:1003974005782
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DOI: https://doi.org/10.1023/A:1003974005782