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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY JOURNAL OF THE KOREAN SOCIETY FOR HORTICULTURAL SCIENCE Vol.46 No.1
발행연도
2005.2
수록면
13 - 17 (5page)

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This study was conducted to determine the effects of fungicide diniconazole on leaf morphology and chlorophyll concentration in Chinese cabbage (Brassica pekinensis cv. Garak). Seeds were planted in 162-cell trays, grown for 25 days, and then transplanted to plastic pots. Diniconazole at 100 and 1000 ㎎ㆍL?¹ was applied as foliar sprays to greenhouse-grown Chinese cabbage at 2 and 3 weeks after transplanting. Morphology, chlorophyll concentration, and cell arrangement in leaves were determined at 2 weeks after treatments. Leaves treated with diniconazole had higher contents of chlorophyll a, chlorophyll b, and total chlorophyll than the control. Examination of treated leaves by using a light microscope revealed leaf morphological changes which included further reduction in leaf area, decrease in cell width, and increase in leaf trichome formations. Also, in a comparison of cell arrangement, treated leaves showed tightly packed and smaller mesophyll cells, whereas control leaves showed loosely packed and larger mesophyll cells. As a result, this study suggests that diniconazole has non-target plant growth-regulating activity on Chinese cabbage, probably by affecting gibberellin-like hormone biosynthesis.

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Abstract
Introduction
Material and Methods
Results and Discussion
Acknowledgements
Literature Cited

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