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Article
Species, genomes, and section relationships in the genus Arachis (Fabaceae): a molecular phylogeny
The economically important genus Arachis (Fabaceae) comprises 80 species restricted to South America. One monograph on the genus divided it into nine sections and included an intuitive assessment of evolutionary ...
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Article
Molecular analysis of Arachis interspecific hybrids
Incorporation of genetic resistance against several biotic stresses that plague cultivated peanut, Arachis hypogaea (2n=4x=40), is an ideal option to develop disease resistant and ecologically safe peanut varieti...
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Article
Genetic relationships between peanut and wild species ofArachis sect.Arachis (Fabaceae): Evidence from RAPDs
Twenty-six accessions of wildArachis species and domesticated peanuts,A. hypogaea, introduced from South America were analyzed for random amplified polymorphic DNA (RAPD). The objective of the study was to invest...
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Article
Variation of isozyme patterns among Arachis species
The genus Arachis contains a large number of species and undescribed taxa with patterns of genetic variation that are little understood. The objectives of this investigation were to estimate genetic diversity amo...
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Article
Development of an RFLP linkage map in diploid peanut species
An RFLP linkage map of peanut has been developed for use in genetic studies and breeding programs aimed at improving the cultivated species (Arachis hypogaea L.). An F2 population derived from the interspecific h...
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Article
Diversity of seed storage protein patterns in wild peanut (Arachis, Fabaceae) species
55 accessions of wild peanuts (Arachis spp.) introduced from South America were analyzed for seed storage protein composition using SDS-PAGE electrophoresis. The objectives of the study were to evaluate variabili...
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Article
An analysis of the B genome speciesArachis batizocoi (Fabaceae)
Arachis batizocoi Krap. & Greg. is a suggested B genome donor to the cultivated peanut,A. hypogaea L. Until recently, only one accession of this species was available in U.S.A. germplasm collections for analyses...
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Article
Recurrent selection progress in a population derived from an interspecific peanut cross
Two cycles of recurrent selection for yield were previously conducted using a population of Arachis hypogaea L.-like tetraploid hybrid derivatives selected from among the progeny of a cross between A. hypogaea an...
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Article
Utilizing Arachis cardenasii as a source of Cercospora leafspot resistance for peanut improvement
Advanced generation 40-chromosome hybrids between A. hypogaea (2n=4x=40) and a wild diploid species. A. cardenasii were evaluated for early leafspot, Cercospora arachidicola resistance and agronomic potential. Th...
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Article
Cytology and leafspot resistance in Arachis hypogaea x wild species hybrids
Introgression of germplasm from diploid wild Arachis species to A. hypogaea has great potential for improving pest resistance in cultivated peanuts. This investigation evaluated methods for incorporating exotic g...
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Article
Variation in progenies of an Arachis hypogaea x diploid wild species hybrid
Derivatives of a cross between cultivated peanuts, Arachis hypogaea L. (2n=40), and the wild species collection GKP 10017 (2n=20) were compared morphologically, for leafspot resistance and for yield. The objectiv...