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Effect of Proline Treatment on Salinity Tolerance of Ziziphus spp Seedling CV. TUFFAHI | ||
| basrah journal of science | ||
| Article 1, Volume 25, Issue 2, 2007, Pages 89-102 PDF (0 K) | ||
| Author | ||
| Khawla. H. Mohamed | ||
| Abstract | ||
| This study was conducted during the growing season of 2005-2006 at College of Agriculture, Basrah University to study the effect of proline treatment on salinity tolerance of Ziziphus spp seedling cv. Tuffahi. The study consisted of 12 treatments came from a combination between 4 conc. of NaCl salt (0, 4,8,12 Ds/m) and 3 conc. of proline (0, 75, 150 mg/l). The result showed that salinity irrigation water at all conc. caused a significant decreased in more of vegetative characteristics, while proline treatment cause increase in more of physical characteristics, proline, total chlorophyll and sugar content. The 12 Ds/m salt and 150 mg/l proline treatment gave higher proline content, while 150 mg/l proline treatment gave higher total chlorophyll and sugar content in leaves compared with other treatments. Salinity and proline cause increase upper and lower surface thickness. The 12 Ds/m salt and 150 mg/l proline treatment have more thickness surface. The 8 Ds/m salt and 150 mg/l proline treatment have more mesophyll thickness. | ||
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