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Assessment and Classification of Korean Indigenous Corn Lines by Application of Principal Component Analysis

주성분분석에 의한 재래종 옥수수의 해석

  • 이인섭 (경성대학교 자연과학부) ;
  • 박종옥 (경성대학교 자연과학부)
  • Published : 2003.06.01

Abstract

This study was conducted to get basic information on the Korean local corn line collected from Busan City and Kyungnam Province, a total of 49 lines were selected and assessed by the principal component analysis method. In the result of principal component analysis for 7 characteristics, 67.4% and 86.3% of total variation could be appreciated by the first two and first four principal components, respectively. Contribution of characteristics to principal component was high at upper principal components and low at lower principal components. Biological meaning of principal component and plant types corresponding to the each principal component were explained clearly by the correlation coefficient between principal component and characteristics. The first principal component appeared to correspond to the size of plant and ear, and the duration of vegetative growing period. The second principal component appeared to correspond to the number of ear and tiller. But the meaning of the third and fourth principal components were not clear.

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Cited by

  1. Analysis of Morphological Characteristics Among Popcorn Inbred Lines vol.58, pp.3, 2013, https://doi.org/10.7740/kjcs.2013.58.3.267
  2. Classification of Korean Local Corn Lines by the Taxonomic Distance Based on Principal Component Analysis. vol.14, pp.1, 2004, https://doi.org/10.5352/JLS.2004.14.1.057
  3. Analysis of Morphological Characteristics for Normal Maize Inbred Lines vol.59, pp.3, 2014, https://doi.org/10.7740/kjcs.2014.59.3.312