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The origin and biosystematic status ofPhaseolus coccineusssp.polyanthus: electrophoretic evidence

✍ Scribed by Daniel Piñero; Luis Eguiarte

Book ID
104613855
Publisher
Springer
Year
1988
Tongue
English
Weight
307 KB
Volume
37
Category
Article
ISSN
0014-2336

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✦ Synopsis

This work describes the electrophoretic analysis of Phaseolus coccineus ssp . coccineus, P. coccineus ssp . polyanthus, P. coccineus ssp . obvallatus and P. vulgaris for eight enzyme systems . The data demonstrate that P. coccineus ssp . polyanthus is not a hybrid between P. vulgaris and P . coccineus ssp . coccineus as it was thought . They demonstrate also that P. coccineus ssp . polyanthus is not an independent taxon as it has also been proposed . Instead, it appears to be a P . coccineus ssp . coccineus variety . The hybrid origin of this group could not be definitively ruled out with the evidence of our data since constant introgression of P . coccineus ssp . polyanthus to P. coccineus could produce similar electrophoretic patterns . Ways to test these ideas are proposed .

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