Abstract
The author suggests that in nature cytoplasms may occur which can restore fertility in male sterile lines in which male sterility is based on one recessive gene ms. If indeed such a “fertilizing” cytoplasm should be found a male sterile (S) ms ms-line could be increased using the male fertile counterpart (F) ms ms as a male. Thus the female rows in hybrid seed production fields consist of male sterile plants only. A method is outlined to trace a fertility restoring cytoplasm and to introduce it into a male sterile line.
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Hermsen, J.G.T. Towards a more efficient utilization of genic male sterility in breeding hybrid barley and wheat. Euphytica 14, 221–224 (1965). https://doi.org/10.1007/BF00149502
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DOI: https://doi.org/10.1007/BF00149502