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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.51 No.5
- 발행연도
- 2010.10
- 수록면
- 383 - 390 (8page)
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초록· 키워드
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In Egypt, salt-related problems have increased in the turfgrass industry during the last 30 years and the need for salt tolerant turfgrasses has increased. Two species of turfgrasses, bermudagrass (Cynodon dactylon L., ‘Tifway’, ‘Tifdwarf’ and ‘Tifgreen’) and seashore paspalum (Paspalum vaginatum Swartz, ‘Salam’, ‘Excalibur’, and ‘Adalayd’), were studied in a greenhouse to evaluate their performance under various electrical conductivity (EC) levels [2.2 (control); 8.0, 16.0, 32.0, 44.0 and 54.0 dS m<SUP>-1</SUP>] of equal weights of CaCl₂ and NaCl salinity in the culture medium. ‘Salam’ was found to have superior salt tolerance compared to the others. ‘Excalibur’ also exhibited high salinity tolerance, and both were better than ‘Tifgreen’, ‘Tifdwarf’, ‘Tifway’, and ‘Adalayd’. Under the highest salinity level (54.0 dS m<SUP>-1</SUP>), ‘Salam’ showed the lowest leaf firing percentage (80%) followed by ‘Excalibur’ (90.5%) while all others showed 100.0 % leaf firing. Only ‘Salam’ showed acceptable turf quality (6.0) at the salinity level of 32.0 dS m<SUP>-1</SUP>. ‘Salam’, ‘Excalibur’ and ‘Tifgreen’ quality declined less severely with increasing salinity, while ‘Adalayd’ had the poorest quality among all cultivars. At the salinity level of 16.0 dS m<SUP>-1</SUP>, all tested cultivars showed acceptable quality except ‘Tifway’ and ‘Adalayd’. ‘Salam’ and ‘Excalibur’ exhibited higher clipping yields than the others. ‘Adalayd’ had the lowest clipping yield at all salinity levels. Linear regression indicated a significant positive linear relationship between root mass and growth medium salinity levels in all tested turfgrass cultivars except ‘Adalayd’. ‘Adalayd’ exhibited a decrease in root mass as salinity increased from 16.0 to 32.0 dS m<SUP>-1</SUP>. At the highest salinity level (54.0 dS m<SUP>-1</SUP>), ‘Salam’ exhibited the highest root activity among all cultivars and maintained an increasing linear trend. For 25% clipping yield reduction, salinity levels ranged from 10.5 dS m<SUP>-1</SUP> for ‘Adalayd’ to 30.0 dS m<SUP>-1</SUP> for ‘Salam’ and these levels were significantly different among the tested cultivars.
목차
Abstract
Introduction
Materials and Methods
Results and Discussion
Conclusions
Literature Cited
참고문헌 (78)
참고문헌 신청
1. [학술지(정기간행물)] - Ashraf, M. / 1986 / The response of selected salt-tolerant and normal lines of four grass species to NaCl in sand culture / New Phytol 104 : 453 ~ 461
2. [학술지(정기간행물)] - Barber, B. J. / 1992 / Too much of a good thing: light can be bad for photosynthesis / Trends Biochem. Sci 17 : 61 ~ 66
3. [학술지(정기간행물)] - Bohnert, H. J. / 1995 / Adaptation to environmental stress / Plant Cell 7 : 1099 ~ 1111
4. [학술지(정기간행물)] - Brugnoli, E. / 1992 / Growth of cotton under continuous salinity stress: influence on allocation pattern, stomatal and non-stomatal components of photosynthesis and dissipation of excess light energy / Planta 187 : 335 ~ 347
5. [학술지(정기간행물)] - Carrow, R.N. / 1996 / Drought resistance aspects of turfgrasses in the southeast: Root-shoot responses / Crop Sci 36 : 687 ~ 694
2. [학술지(정기간행물)] - Barber, B. J. / 1992 / Too much of a good thing: light can be bad for photosynthesis / Trends Biochem. Sci 17 : 61 ~ 66
3. [학술지(정기간행물)] - Bohnert, H. J. / 1995 / Adaptation to environmental stress / Plant Cell 7 : 1099 ~ 1111
4. [학술지(정기간행물)] - Brugnoli, E. / 1992 / Growth of cotton under continuous salinity stress: influence on allocation pattern, stomatal and non-stomatal components of photosynthesis and dissipation of excess light energy / Planta 187 : 335 ~ 347
5. [학술지(정기간행물)] - Carrow, R.N. / 1996 / Drought resistance aspects of turfgrasses in the southeast: Root-shoot responses / Crop Sci 36 : 687 ~ 694
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UCI(KEPA) : I410-ECN-0101-2012-525-003569165