J Integr Plant Biol. ›› 1979, Vol. 21 ›› Issue (3): -.

• Research Articles •    

Cytogenetic Studies on Five Intermediate Forms of Progeny of Triticum aestivum Agropyron glaucum

Hao Shui, He Meng-yuan, Xu Zong-yao, Zhang Chuan-shan, Zou Ming-qian, Zhang Han and Sun Ping   

Abstract: A stuty has been made of the chromosome number of root-tip cells and the chro- mosome configuration of PMCs in five intermediate forms of progeny of Triticum aestivum × Agropyron glaucum. The somatic cells in each of these intermediate forms have 28 pairs of chromosomes (2n=56) and the PMCs at diakinesis or metaphase Ⅰ of meiosis have 28 bivalents. The process of meiosis in most PMCs is regular. Lagging chromosomes and fragments at anaphase Ⅰ or telophase Ⅰ were observed only in few PWCs. According to our results, all the five intermediate forms of progeny of T. aestivum × Ag. glaucum are allooctoploids. The application of these allooctoploids is also briefly discussed.

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