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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.51 No.4
- 발행연도
- 2010.8
- 수록면
- 275 - 283 (9page)
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초록· 키워드
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This research was conducted to determine whether calcium could extend flower life in Hibiscus syriacus and to characterize the relationship between the calcium level and flower senescence. The effects of calcium supplied by fertigation in nutrient solution, at two levels (0 and 3 mM; Ca-0 and Ca-3, respectively), or as a leaf spray (LS) or flower spray (FS) of 45 mM CaCl₂ on flower life were investigated. With increasing calcium, significantly higher growth characteristics were observed. Flower life was extended by more than 8 h (15%) by Ca-3 fertigation compared to sample without calcium. Flower life was extended by 9.6 - 11.3 h with the application of a FS together with Ca-3 fertigation. There was a significant relationship between calcium application and temperature for flower life. When temperatures were low, flower life was extended more effectively by calcium treatment. However, when temperatures were increased, calcium treatments had less effect. Increasing the supply of calcium increased the calcium content in flowers, but decreased their magnesium content. The distribution of calcium in senescing petals was observed using a multi-photon imaging system with fluo-4 acetoxymethylester (Fluo-4/AM) as a fluorescent indicator for calcium. At the full flower opening stage, calcium was compartmentalized in organelles in calcium-treated petal cells and showed a strong fluorescence. Fluo-4/AM fluorescence decreased during flower senescence, but compartmentalized calcium was maintained in calcium-treated petal cells ever at full senescence. In untreated petal cells, fluorescence was lower and no compartmentalization of calcium was observed at 24 h after full flower opening. Peroxidized lipid levels increased significantly during flower senescence, when visual symptoms appeared. Calcium treatment decreased lipid peroxidation. In conclusion, we suggest that exogenous calcium treatment can raise calcium levels in the petals of H. syriacus petals, maintain calcium compartmentalized in organelles, alleviate lipid peroxidation in petals, and ultimately, extend flower life.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgment
Literature Cited
참고문헌 (33)
참고문헌 신청
1. [학술지(정기간행물)] - Bell, R.W. / 1989 / Effects of calcium supply on uptake of calcium and selected mineral nutrients by tropical food legumes in solution culture / Aust. J. Agric. Res 40 : 1003 ~ 1013
2. [학술지(정기간행물)] - Burstrom, H.G. / 1952 / Studies on growth and metabolism of roots. VIII. Calcium as a growth regulator / Physiol. Plant 5 : 391 ~ 402
3. [학술지(정기간행물)] - Chamel, A. / 1983 / Utilization of isolated apple fruit cuticles to study the behaviour of calcium supplied directly to the fruit / Acta Hort 138 : 23 ~ 24
4. [학술지(정기간행물)] - Del Amor, F.M. / 2003 / Regulation of nutrient uptake, water uptake and growth under calcium starvation and recovery / J. Hort. Sci. Biotechnol 78 : 343 ~ 349
5. [학술지(정기간행물)] - Ferguson, I.B. / 1988 / Calcium and the regulation of plant growth and senescence / HortScience 23 : 262 ~ 266
2. [학술지(정기간행물)] - Burstrom, H.G. / 1952 / Studies on growth and metabolism of roots. VIII. Calcium as a growth regulator / Physiol. Plant 5 : 391 ~ 402
3. [학술지(정기간행물)] - Chamel, A. / 1983 / Utilization of isolated apple fruit cuticles to study the behaviour of calcium supplied directly to the fruit / Acta Hort 138 : 23 ~ 24
4. [학술지(정기간행물)] - Del Amor, F.M. / 2003 / Regulation of nutrient uptake, water uptake and growth under calcium starvation and recovery / J. Hort. Sci. Biotechnol 78 : 343 ~ 349
5. [학술지(정기간행물)] - Ferguson, I.B. / 1988 / Calcium and the regulation of plant growth and senescence / HortScience 23 : 262 ~ 266
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