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This article in CS

  1. Vol. 6 No. 1, p. 59-60
     
    Received: Aug 13, 1965


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doi:10.2135/cropsci1966.0011183X000600010018x

Interspecific Hybridization in the Genus Phaseolus1

  1. Salih Aziz Al-Yasiri and
  2. D. P. Coyne2

Abstract

Abstract

Seven species of Phaseolus, namely P. Calcaratus, P. mungo, P. angularis, P. lunatus, P. acutifolius, and P. vulgaris, were interpolinated in all possible combinations. On the basis of pod development, three types of compatibility are suggested: Compatible crosses that yield mature hybrid seeds; partially compatible crosses where the pods collapse in the early stages of development: incompatible crosses that fail to develop pods. A compatible cross was P. vulgarisP. coccineus. Partially compatible crosses were: P. vulgarisP. acutifolius, P. acutifoliusP. coccineus, P. coccineusP. acutifolius, P. vulgarisP. mungo, P. mungoP. calcaratus, P. vulgarisP. lunatus, P. angularisP. acutifolius, P. angularisP. vulgaris, P. mungoP. vulgaris, P. angularisP. calcaratus, P. vulgarisP. calcaratus, and P. angularisP. mungo. The remaining combinations of species crosses were incompatible.

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