Agronomic traits and genetic diversity based on RAPD and ISSR marker of the selected switchgrass (Panicum virgatum L) germplasm in Taiwan.
Date Issued
2008
Date
2008
Author(s)
Yang, Tsai-Wen
Abstract
Switchgrass (Panicum virgatum L), is a C4 perennial grass native to North America that is being developed as a biomass energy crop in the United States. Forty wild populations and eight cultivars were analyzed for random amplified polymorphic DNA (RAPD) and inter-simple sequence repeats (ISSR) markers. The estimated genetic similarity among the sample with the RAPD and ISSR polymorphic fragment were ranging from 0.08〜0.89 and 0.06〜0.86. Cultivars of switchgrass cannot be differentiated from wild population in this study on the basis of RAPD and ISSR markers, indicating that both of them have similar genetic base. There are potential for selecting use of cellulose energy crop or forage in high biomass accessions based on phenotypic analysis. Lowland type switchgrass may grow better at Taipei than southern American because more rainy weather at Taipei.
Subjects
switchgrass
genetic diversity
agronomic traits
Type
thesis
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