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자료유형
학술저널
저자정보
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.50 No.5
발행연도
2009.10
수록면
446 - 450 (5page)

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This study was conducted to clarify the causes of the seasonal fluctuations in vase life of cut roses (Rosa spp. ‘Asami Red’). After harvest, cut rose stems in distilled water were placed in a controlled environment room (CR) or an indoor environment room (IR) and their vase life was measured. In this study we regarded the vase life of cut roses in CR as potential vase life determined at harvest. The data obtained in this study showed that the range in seasonal fluctuation of the vase life varied between cut roses under CR (8.0-19.1 days) and those under IR (6.4-22.6 days). The vase life of cut roses in the IR was longer in the winter season and gradually decreased from May to July, whereas cut roses in CR had a short vase life during April and May and the longest vase life in September. These results suggested that shorter vase life in summer was not caused by the potential vase life rather it seemed to be caused by less favorable environmental circumstances during vase period, such as high temperature and vapor pressure deficit. The result of multiple regression analysis suggests that vase life in IR depended primarily on the temperature during vase period and potential vase life. Partial correlation coefficients indicated that the potential vase life was the major influence (r = 0.611<SUP>**</SUP>) on the seasonal fluctuations in vase life of cut roses. Such relationship between the two was confirmed by in the result of correlation analysis results. It can be concluded that a seasonal fluctuation in the vase life of cut roses was strongly influenced by potential vase life. The vase life of cut roses can be maximized through first, obtaining the longest possible potential vase life by developing desirable morphological and physiological characteristics at harvest, and second, minimizing the water loss from cut roses by keeping them in a proper environment, i.e., low temperature and low vapor pressure deficit.

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Abstract
Introduction
Materials and Methods
Results
Discussion
Literature Cited

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