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Morphological Variation of Foxtail Millet (Setaria italica (L.) P. Beauv.) Germplasm Collected in Korea, China and Pakistan  

Kim, Eun Ji (Department of Applied Plant Sciences, College of Agriculture and Life Sciences, Kangwon National University)
Sa, Kyu Jin (Department of Applied Plant Sciences, College of Agriculture and Life Sciences, Kangwon National University)
Yu, Chang Yeon (Department of Applied Plant Sciences, College of Agriculture and Life Sciences, Kangwon National University)
Lee, Ju Kyong (Department of Applied Plant Sciences, College of Agriculture and Life Sciences, Kangwon National University)
Publication Information
Korean Journal of Breeding Science / v.42, no.2, 2010 , pp. 181-187 More about this Journal
Abstract
To understand the morphological differentiation of the 26 accessions of Foxtail Millet collected in Korea (15 accessions), China (7 accessions) and Pakistan (4 accessions), we analyzed 9 morphological characteristics such as plant height, panicle length, leaf number, tiller number, heading time, seed weight and panicle color etc. Most accessions of foxtail millet collected in Korea showed late heading time, tall plant height and long conical panicles. While foxtail millet accessions of Pakistan showed early heading time, short plant height and short conical panicles. In case of Chinese accessions, some accessions of them showed similar characteristics with Korean accessions, and the other showed similar characteristics to Pakistan accessions. In ANOVA analysis, most of quantitative characteristics such as plant height, leaf number, internode number and heading time showed significant differences among foxtail millet accessions collected from Korea, China and Pakistan. Principal component analyses clearly discriminate foxtail millet accessions of Korea from those of China and Pakistan. In PCA analysis, most of quantitative characters such as panicle length, leaf number and internode number greatly contributed in positive direction, whereas several quantitative characters such as tiller number, seed weight and panicle color contributed in negative direction on the first axis. Thus, these morphological characteristics could be used to classify the foxtail millet accessions collected in Korea, China and Pakistan. The present results could expand our understanding of the morphological variation in foxtail millet accessions from Korea, China and Pakistan, and also could be useful for foxtail millet germplasm preservation.
Keywords
foxtail millet; geographic differentiation; morphological variation; ANOVA analysis; principal component analysis; germplasm preservation;
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