Abstract
Rubus procerus Muell. and R. laciniatus Willd. occur sympatrically over a wide range of area in the coastal Pacific north-west of the United States. Natural hybridization between these two pseudogamous apomictie species has been shown to take place by Bammi and Olmo1. One such partially sterile natural hybrid (6412A), collected from Riverton, Oregon, proved very interesting cytologically. The present report deals with the peculiar cytological behaviour of this hybrid clone.
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Bammi, R. K., and Olmo, H. P. (in the press).
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Hull, J. W., and Britton, D. M., Univ. Md. Agric. Exp. Sta. Bull., A-91 (1958).
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BAMMI, R. ‘Complement Fractionation’ in a Natural Hybrid between Rubus procerus Muell. and R. laciniatus Willd.. Nature 208, 608 (1965). https://doi.org/10.1038/208608a0
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DOI: https://doi.org/10.1038/208608a0
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