| Acknowledgement We thank Dr. Tokuhiko MAKINO, Tohoku Natl. Agr. Exp. Sta., Morioka, for his encouragement. Literature Cited ALSTON, F.H., & J.K, JONES. 1968. Variation in transmission of univalent chromosomes from pentaploid wheat hybrid. Can. J. Genet. Cytol. 10: 908-912. KIHARA, H. 1924. Cytologische und genetische Studien be wichtigen Getreidearten mit besonderer Rucksicht auf das Verhalten der Chromosomen und die Sterilitat in den Bastarden. Mem. Coll. Sci. Kyoto Imp. Univ. Ser. B. 1: 1-200. KIHARA, H. 1975. Origin of cultivated plants with special reference to wheat. Seiken ziho 25-26: 1-24. KIHARA, H. & S. WAKAKUWA. 1935. Weitere Untersuchungen uber die pentaploiden Triticum-Bastarde. IV. Jpn. J. Botany 7: 381-387. MAKINO, T. 1974. Studies on genetic mechanisms controlling univalent transmission in wheat. I. A comparison of two pentaploid hybrids having natural and synthetic common wheat as the hexaploid parent. Cytologia 39: 815-828. NAKAMURA, Y. 1945. On the elimination of the univalent chromosomes in the pentaploid wheat hybrids. Seiken Ziho 4: 147-149. (In Japanese). SEARS, E.R. 1952. Misdivision of univalents in common wheat. Chromosoma 4: 535-550. SEARS, E.R. 1953. Nullisomic analysis in common wheat. Amer. Natur. 87: 245-252. SMITH-WHITE, S. 1948. Polarized segregation in the pollen mother cells of a stable triploid. Heredity 2: 119-129. TSUJI, S., & S.S, MAAN. 1981. Differential fertility and transmission of male and female gametes in alloplasmic wheat hybrids. Can. J. Genet. Cytol. 23 : 337-348. |
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