The Evaluation of Genotype × Environment Interactions of Citrus Leaf Morphology Using Image Analysis and Elliptic Fourier Descriptors
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概要
- 論文の詳細を見る
Variations of leaf form, i.e., differences in shape and size, among citrus varieties and the genotype × environment (GE) interactions influencing the variations were examined. Leaf shape was quantitatively measured by the score of the principal components of elliptic Fourier descriptors (EFDs). Leaf size was measured in terms of area and perimeter. The first four principal components of EFDs, which could explain over 90% of the shape variations, were good measures of the length to width ratio, the position of the center of gravity, the curvature, and the degree of roundness. Nested ANOVA for the leaf form variations in nine citrus varieties indicated that the variations accounted for by the 1st, 2nd and 4th components were inherited. GE interaction of the leaf form was investigated using the data appertaining to seven genotypes from eight locations; the interaction was significant for all the principal components examined except the third. Although the interaction fitted very poorly to a joint linear regression analysis model developed from the data, it was effectively explained by an additive main effect and multiplicative interaction model where the score of the interaction principal component was highly correlated with the stability indices. Our results suggest that the genotype was the main source of variation in leaf shape, but not in size, and that the contribution of GE interaction was minor to both shape and size, although statistically significant at the 1% probability level.
- 日本育種学会の論文
著者
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Takano Yasushi
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Takano Yasushi
Department Of Agricultural-environmental Biology Graduate School Of Agriculture And Life Sciences Th
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Nesumi Hirohisa
Department of Citrus Research, National Institute of Fruit Tree Science
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Ninomiya S
Tohoku Seed Company
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Ukai Y
Department Of Agricultural-environmental Biology Graduate School Of Agriculture And Life Sciences Th
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Ukai Yasuo
Graduate School Of Agricultural And Life Sciences The University Of Tokyo
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Iwata Hiroyoshi
Department Of Information Science And Technology National Agricultural Research Center
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Iwata Hiroyoshi
Department Of Forest Genetics Forestry And Forest Products Research Institute
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Nesumi Hirohisa
Department Of Citriculture National Institute Of Fruit Tree Science
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Ukai Yasuo
Department of Agricultural-Environmental Biology, Graduate School of Agriculture and Life Sciences,
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Ninomiya Seishi
Department of Information Science and Technology, National Agricultural Research Center
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Ukai Yasuo
Department Of Agricultural-environmental Biology Graduate School Of Agriculture And Life Sciences Th
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Ninomiya Seishi
Department Of Information Science And Technology National Agriculture Research Center
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