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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.49 No.5
발행연도
2008.10
수록면
281 - 286 (6page)

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This experiment was designed to further evaluate the effect of root applied N-(2-chloro-4-pyridyl)-N-phenylurea (CPPU) on plant growth, chlorophyll content, leaf water potential and photosynthetic rate of capsicum plants. The roots of 6-week-old capsicum seedlings were soaked in 2 concentrations (1 or 10 ㎎ㆍL?¹) of CPPU for 2 hours. Root applied CPPU at 10 ㎎ㆍL?¹ treated plants significantly decreased plant height and leaf expansion, and by 3 weeks after CPPU treatment, chlorophyll content of 10 ㎎ㆍL?¹ CPPU was significantly lower than untreated controls. Photosynthetic rates were not affected by CPPU treatment. Leaf water potential of the 10 ㎎ㆍL?¹ CPPU-treated plants was lower than untreated controls, possibly due to a small osmotic adjustment as stomatal resistance and photosynthetic rate were not affected. Xylem sap collected from the roots of CPPU-treated capsicum plants had less detectable gibberellin, possibly associated with blocking of gibberellin biosynthesis.

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Abstract
Introduction
Materials and Methods
Results
Discussion
Acknowledgements
Literature Cited

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