Article
Hierarchical classification of switchgrass genotypes using SSR and chloroplast sequences: ecotypes, ploidies, gene pools, and cultivars.
TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik - 1 Mar 2011
Zalapa J E, Price D L, Kaeppler S M, Tobias C M, Okada M, Casler M D
Abstract excerpt
Switchgrass (Panicum virgatum L.) is an important crop for bioenergy feedstock development. Switchgrass has two main ecotypes: the lowland ecotype being exclusively tetraploid (2n = 4x = 36) and the upland ecotype being mainly tetraploid and octaploid (2n = 8x = 72). Because there is a significant difference in ploidy, morphology, growth pattern, and zone of adaptation between and within the upland and lowland...
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