Diallel Analysis of Leaf Shape Variations of Citrus Varieties Based on Elliptic Fourier Descriptors

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概要

• 論文の詳細を見る

• The inheritance of citrus leaf shape was investigated by analyzing a diallel set of crosses of five citrus varieties selections. Leaf contours were extracted by image processing, and described by elliptic Fourier descriptors. Mathematically independent shape characteristics were then identified by principal component analysis of the descriptors. The 1st, 2nd, 3rd and 4th components accounted for 51%, 20%, 10% and 6% of the total shape variation, and were good measures of the ratio of length to width, the position of the centroid, the curvature and the leaf wing size, respectively. Diallel analyses indicated that these components differed substantially in their mode of inheritance. The broad sense heritability was fairly high (>0.90) in the 2nd and 4th components and high (>0.70) in the 1st component, whereas the narrow sense heritability was high only in the 2nd component. There was no significant genetic effect in the 3rd compo-nent. The 1st, 2nd and 4th components showed over-, incomplete- and complete- dominance, respectively. The results indicate that elliptic Fourier descriptors can be successfully applied to the quantitative genetic analysis of citrus leaf shape.

• 日本育種学会の論文

著者

• Takano Yasushi

  Department Of Electrical And Electronic Engineering Toyohashi University Of Technology

• Takano Yasushi

  Department Of Agricultural-environmental Biology Graduate School Of Agriculture And Life Sciences Th

• Ninomiya Seishi

  National Agricultural Research Center

• Nesumi Hirohisa

  Department of Citrus Research, National Institute of Fruit Tree Science

• Ninomiya S

  Tohoku Seed Company

• Ukai Y

  Department Of Agricultural-environmental Biology Graduate School Of Agriculture And Life Sciences Th

• Ukai Yasuo

  Graduate School Of Agricultural And Life Sciences The University Of Tokyo

• Iwata Hiroyoshi

  Department Of Information Science And Technology National Agricultural Research Center

• Iwata Hiroyoshi

  Department Of Forest Genetics Forestry And Forest Products Research Institute

• Ninomiya Seishi

  National Agricultural Res. Center

• Nesumi Hirohisa

  Department Of Citriculture National Institute Of Fruit Tree Science

• Ukai Yasuo

  Department of Agricultural-Environmental Biology, Graduate School of Agriculture and Life Sciences,

• Ukai Yasuo

  Department Of Agricultural-environmental Biology Graduate School Of Agriculture And Life Sciences Th

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