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Cytological studies on a polyhaploid ofCritesion iranicum obtained after hybridization withC. bulbosum

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Abstract

One polyhaploid (2n=3x=21) ofCritesion iranicum (von Bothmer) A. Löve (6x=42) was obtained following interspecific hybridization with tetraploidC. bulbosum (L.) A. Löve, presumably through chromosome elimination. Meiotic pairing in pollen mother cells averaged 2.43 univalents, 0.12 rod bivalents, 2.37 ring bivalents, and 4.53 trivalents. The data indicate that the three genomes fromC. iranicum are homologous with equal affinity. This confirms thatC. iranicum is an autohexaploid.

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  1. United States Department of Agriculture, Agriculture Research Service, Forage and Range Research, Utah State University, 84322-6300, Logan, UT, USA

    R. R. -C. Wang

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  1. R. R. -C. Wang
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Wang, R.R.C. Cytological studies on a polyhaploid ofCritesion iranicum obtained after hybridization withC. bulbosum . Genetica 76, 225–228 (1988). https://doi.org/10.1007/BF00140228

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  • DOI: https://doi.org/10.1007/BF00140228

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