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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.51 No.3
- 발행연도
- 2010.6
- 수록면
- 135 - 140 (6page)
이용수
이 논문의 연구 히스토리 (3)
2010
Physiological Events Associated with Petal Development and Senescence of Hibiscus syriacus L. ‘Parangsae’
Hye Jin Kwon
,
Song Kwon
,
Ki Sun Kim
HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY
2010.10
학술저널
Ultrastructural Changes of Hibiscus syriacus L. during the Petal Senescence
Hye Jin Kwon
,
Song Kwon
,
Ki Sun Kim
HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY
2010.06
학술저널
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초록· 키워드
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This study was undertaken to explain the phenomena of senescence in Korean hibiscus (Hibiscus syriacus) flower, as an ephemeral flower. The death of flower makes it obvious that a sensitive, tightly controlled program for cell death must exist. Korean hibiscus flower provides a good model system of senescence, because events happen so quickly. Cells at Stage Ⅰ and Ⅱ were essentially free of cytoplasmic or vacuolar abnormalities and the cytoplasm contained numerous electron-dense mitochondria with well-developed cristae. At Stage Ⅲ, there were a localized dilation of mitochondria matrix and a partially diluted cytoplasm in mesophyll cells. At Stage Ⅳ, most mesophyll cells seem to be ruptured, resulting in a general mixing of cell contents and diluting cytoplasm. It can be explained as an irreversible senescence phenomena where tonoplast in mesophyll cell ruptured partly, corresponding to rapid increase in petal cell size and turgidity. There were losses of petal fresh weight and turgidity at Stage Ⅴ, followed by complete collapse of most mesophyll cells. Ultrastructural disorganization, like a broken tonoplast, was observed in mesophyll cells at Stage Ⅳ. Also, the electrolyte leakage increased from Stage Ⅲ to Stage Ⅳ. The final stages of senescence involved the breakdown of cellular organization leading to hydrolysis of previously separated compartments. It is suggested that the loss of membrane integrity triggered while flowers are still in the process of opening may be one of the earliest physiological signals that senescence is under way.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgement
Literature Cited
참고문헌 (15)
참고문헌 신청
1. [학술지(정기간행물)] - Eze, J.M.O. / 1986 / Senescence in cut carnation flowers: temporal and physiological relationships among water status, ethylene, abscisic acid and membrane permeability / Physiol. Plant 68 : 323 ~ 328
2. [학술지(정기간행물)] - Ishikawa, H.A. / 1996 / Ultrastructural features of chilling injury: Injured cells and the early events during chilling of suspension-cultured mung bean cells / Amer. J. Bot 83 : 825 ~ 835
3. [학술지(정기간행물)] - Kende, H. / 1974 / Regulation of aging in flowers of Ipomoea tricolor by ethylene / Planta 116 : 279 ~ 289
4. [학술지(정기간행물)] - Kwon, H.J. / 2000 / Flower senescence in Hibiscus syriacus L. / HortScience 35 : 413 ~
5. [학술지(정기간행물)] - Kwon, H.J. / 2000 / Physiological changes during the senescence in petals of Hibiscus syriacus L. / Kor. J. Hort. Sci. & Technol 18 : 155 ~
2. [학술지(정기간행물)] - Ishikawa, H.A. / 1996 / Ultrastructural features of chilling injury: Injured cells and the early events during chilling of suspension-cultured mung bean cells / Amer. J. Bot 83 : 825 ~ 835
3. [학술지(정기간행물)] - Kende, H. / 1974 / Regulation of aging in flowers of Ipomoea tricolor by ethylene / Planta 116 : 279 ~ 289
4. [학술지(정기간행물)] - Kwon, H.J. / 2000 / Flower senescence in Hibiscus syriacus L. / HortScience 35 : 413 ~
5. [학술지(정기간행물)] - Kwon, H.J. / 2000 / Physiological changes during the senescence in petals of Hibiscus syriacus L. / Kor. J. Hort. Sci. & Technol 18 : 155 ~
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UCI(KEPA) : I410-ECN-0101-2010-525-002463344