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Genetic diversity of Pueraria lobata (kudzu) and closely related taxa as revealed by inter‐simple sequence repeat analysis
Author(s) -
SUN J H,
LI ZC,
JEWETT D K,
BRITTON K O,
YE W H,
GE XJ
Publication year - 2005
Publication title -
weed research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.693
H-Index - 74
eISSN - 1365-3180
pISSN - 0043-1737
DOI - 10.1111/j.1365-3180.2005.00462.x
Subject(s) - lobata , pueraria , kudzu , genetic diversity , weed , biology , gene flow , botany , population , taxon , noxious weed , genetic variation , gene , genetics , demography , medicine , alternative medicine , traditional chinese medicine , pathology , sociology
Summary Kudzu ( Pueraria lobata ) is a noxious weed infesting some areas of the USA. Knowledge of its genetic variation in both native and invasive areas can lead to effective biological control measures. Inter‐simple sequence repeat (ISSR) variations were studied in P. lobata and its four closely related congeneric species ( P. edulis , P. montana , P. phaseoloides and P. thomsoni ). ISSR results allowed a clear separation of these five species. For P. lobata , 108 plants from China and USA were analysed. The samples from the US were genetically closer to Chinese P. lobata populations than to other congeneric populations. High genetic differentiation was found for P. lobata , P. montana and P. thomsoni in Chinese samples. High genetic diversity and low population differentiation was found in P. lobata samples of the US. This supports the hypothesis of multiple introductions into the USA from different sources in Japan or China, followed by subsequent gene exchange and recombination.