Mesoamerican origin of the common bean (Phaseolus vulgaris L.) is revealed by sequence data

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Mesoamerican origin of the common bean (Phaseolus vulgaris L.) is revealed by sequence data.

Knowledge about the origins and evolution of crop species represents an important prerequisite for efficient conservation and use of existing plant materials. This study was designed to solve the ongoing debate on the origins of the common bean by investigating the nucleotide diversity at five gene loci of a large sample that represents the entire geographical distribution of the wild forms of ...

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On the Origin of the Common Bean (Phaseolus vulgaris L.)

Phylogeographic methods provide the tools to accurately access the geographic origin and diversification of crop species. In the present commentary, I urge the common bean community to face those methods and a tree-thinking mentality with regards to the long standing debate of the origin of common bean. Such efforts will ultimately bring back interest into wild bean studies and reinforce the un...

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Enhancing biological nitrogen fixation in common bean (Phaseolus vulgaris L)

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Phenotypic diversity among Croatian common bean (Phaseolus vulgaris L.) landraces was assessed by analysing 12 qualitative and six quantitative traits in 338 accessions collected from all production areas in Croatia. Out of 12 qualitative morphological traits, seed coat colour was the most polymorphic among accessions having the highest Shannon’s information index and discriminating power. Out ...

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INTRODUCTION Embryo defective mutants in Phaseolus vulgaris obtained by Ethyl methanesulfonate (EMS) induction were studied to determine the structural and molecular basis of seed abortion in this species. In the wild-type, the classical pattern of seed development showed coordinated differentiation of the embryo proper, suspensor, endosperm tissue, and seed coat. On the contrarily, EMS mutant ...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 2012

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.1108973109