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자료유형
학술저널
저자정보
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한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.48 No.4
발행연도
2007.8
수록면
207 - 211 (5page)

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Bulb color is an important trait in onion (Allium cepa) breeding, but the lack of a method to quantify red color intensity in a large number of samples has hindered assessment of essential breeding parameters such as heritability. We developed a new method based on digital imaging that allows facile quantification of red color intensity in a large number of samples. The brightness of dry skin in digital images was measured using the histogram function of Adobe<SUP>®</SUP> Photoshop<SUP>®</SUP> and showed highly significant correlation with both visual rating of red intensity and anthocyanin content. This method was utilized to assess the uniformity of red color intensity of doubled haploid (DH) lines and location effects on red color development. Three red DH lines, four pink F₁ hybrids, and three red commercial cultivars were grown at two locations with three replications. DH lines showed less variation of color intensity than commercial cultivars. A significant location effect on the red color intensity was observed in combined analysis of variance from two locations.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgement
Literature Cited

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