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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.49 No.1
- 발행연도
- 2008.2
- 수록면
- 20 - 24 (5page)
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초록· 키워드
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The differences in the incidence of tipburned leaves and distribution of mineral nutrients were observed between two morphologically different lettuce cultivars (Lactuca sativa L.) under various relative humidity (RH) conditions at day and night period. The tipburn was observed in the leaf tissue of a butterhead-type lettuce ‘Omega’, but not in those of a leaf-type lettuce ‘Grandrapid’. ‘Omega’ lettuce grown at 80/80% day/night RH for 15 days showed 2 times more tipburn compared to 80/40% RH treatment. Tipburn occurrence was coincident with the result of the highest relative growth rate (RGR) in ‘Omega’ lettuce grown at 80/80% RH treatment for 15 days, compared to 40/40, 40/80 or 80/40% RH. However, the high RGR was not associated with the incidence of tipburn in ‘Grandrapid’ lettuce. In the leaf tissue of ‘Omega’ lettuce, tipburn symptom occurred 100% under long term exposure at 80/80% RH for 25 days. No tipburn symptom was observed in the leaf tissue of ‘Omega’ lettuce grown at 40/80% RH treatment for both 15 and 25 days after treatment, in which the lowest RGR at 15 days and the highest RGR at 25 days after treatment were observed. K/Ca ratio of the inner leaves of ‘Omega’ lettuce was low in the 40/80% RH treatment, but high in the treatment exposed to 80/80% RH for 25 days. The tipburned leaves in ‘Omega’ lettuce was observed in the ratio of K/Ca higher than 7.0. ‘Grandrapid’ lettuce had the higher Ca content in the inner leaves compared to those of ‘Omega’ lettuce, which maintained the range of K/Ca ratio, 5.60-6.68 in the inner leaves. Results indicate that the different pattern in the internal uptake of K and Ca in the morphologically different cultivars may be associated with the cultivar differences in the incidence of tipburn symptom under various humidity conditions. Tipburn symptoms can be alleviated with optimal humidity conditions at day and night period that assists in the distribution of mineral nutrients within the lettuce leaf.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgements
Literature Cited
참고문헌 (16)
참고문헌 신청
1. [학술지(정기간행물)] - Adams, P / 1993 / Effect of humidity and Ca level on dry-matter and Ca accumulation by leaves of cucumber / J. Hort. Sci 65 : 31 ~ 39
2. [학술지(정기간행물)] - Adams, P. / 1992 / Effects of humidity, Ca and salinity on the accumulation of dry matter and Ca by the leaves and fruit of tomato / J. Hort. Sci 67 : 137 ~ 142
3. [학술지(정기간행물)] - Barta, D.J. / 1986 / Effects of artificial enclosure of young lettuce leaves on tip/burn incidence and leaf calcium concentrations / J. Amer. Soc. Hort. Sci 111 : 413 ~ 416
4. [학술지(정기간행물)] - Barta, D.J. / 1991 / Calcium location in lettuce leaves with and without tipburn: Comparison of controlled- environment and field-grown plants / J. Amer. Soc. Hort. Sci 116 : 870 ~ 875
5. [학술지(정기간행물)] - Choi, K.Y. / 2001 / Effect of salinity of nutrient solution on growth, translocation and accumulation of 45Ca in butterhead lettuce / Acta. Hort 548 : 575 ~ 780
2. [학술지(정기간행물)] - Adams, P. / 1992 / Effects of humidity, Ca and salinity on the accumulation of dry matter and Ca by the leaves and fruit of tomato / J. Hort. Sci 67 : 137 ~ 142
3. [학술지(정기간행물)] - Barta, D.J. / 1986 / Effects of artificial enclosure of young lettuce leaves on tip/burn incidence and leaf calcium concentrations / J. Amer. Soc. Hort. Sci 111 : 413 ~ 416
4. [학술지(정기간행물)] - Barta, D.J. / 1991 / Calcium location in lettuce leaves with and without tipburn: Comparison of controlled- environment and field-grown plants / J. Amer. Soc. Hort. Sci 116 : 870 ~ 875
5. [학술지(정기간행물)] - Choi, K.Y. / 2001 / Effect of salinity of nutrient solution on growth, translocation and accumulation of 45Ca in butterhead lettuce / Acta. Hort 548 : 575 ~ 780
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UCI(KEPA) : I410-ECN-0101-2009-525-016412836