Response of Seed Yield and Oil Quality of Iranian Native Sesame Genotypes to Drought Stress

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Abbasali Mohammad; Gholipouri Abdoulghayom; TOBEH AHMAD; KHOSHKHOLGHSIMA NAYER AZAM; TAJEDDIN BEHJAT

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Journal: SEED AND PLANT PRODUCTION JOURNAL Year:2019 | Volume:35-2 | Issue:2 Page(s): 133-157

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Title

Response of Seed Yield and Oil Quality of Iranian Native Sesame Genotypes to Drought Stress

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Keywords

sesameQ2

abiotic stressQ1

toleranceQ2

seed yieldQ2

saturated fatty acidQ1

Abstract

Eight sesame genotypes along with Oltan and Darab1 cultivars were evaluated for seed yield and oil biochemical traits using randomized complete block design with there replications under normal and drought stress conditions in Karaj, Iran, in 2014 and 2015. Drought reduced seed yield by 45. 1 %, oil content by 2. 5%, palmitoleic fatty acid by 24. 0%, and increased the antioxidant power of oil by 99. 4%, total lignin of oil by 18. 9 and seed crude protein by 15. 6%. In fact, drought stress had a beneficial effect on seed oil quality. Genotype KC50662 had reasonable yield under two conditions. In addition, its seed oil content was 5. 3% higher than cv. Oltan. This genotype had the lowest amount of harmful palmitic fatty acid (8. 5%) second next to Oltan cultivar (8. 2%). This genotype had more beneficial oleic (47. 1%) and palmitoleic (0. 09%) fatty acids compared to cv. Oltan (43. 1% and 0. 07%, respectively). This genotype also had lower level of stearic acid (4. 7%), higher level of linoleic acid (42. 0%), higher level of lignans (4237 mg kg-1), and lower level of antioxidants power (23. 5 µ mol L-1) compared to cv. Oltan (5. 4%, 38. 7%, 3541mg kg-1, and 33. 9 µ mol L-1, respectively). tolerance and susceptibility indices could identify genotype KC 50662 as high yielding, and KC 50658, KC 50687 and KC 50983 as tolerant genotypes. In conclusion, genotype KC50662 was identified as superior genotype with high seed yield, in both normal and stress conditions, and oil quality properties.

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APA: Copy

Abbasali, Mohammad, Gholipouri, Abdoulghayom, TOBEH, AHMAD, KHOSHKHOLGHSIMA, NAYER AZAM, & TAJEDDIN, BEHJAT. (2019). Response of Seed Yield and Oil Quality of Iranian Native Sesame Genotypes to Drought Stress. SEED AND PLANT PRODUCTION JOURNAL, 35-2(2 ), 133-157. SID. https://sid.ir/paper/357422/en

Vancouver: Copy

Abbasali Mohammad, Gholipouri Abdoulghayom, TOBEH AHMAD, KHOSHKHOLGHSIMA NAYER AZAM, TAJEDDIN BEHJAT. Response of Seed Yield and Oil Quality of Iranian Native Sesame Genotypes to Drought Stress. SEED AND PLANT PRODUCTION JOURNAL[Internet]. 2019;35-2(2 ):133-157. Available from: https://sid.ir/paper/357422/en

IEEE: Copy

Mohammad Abbasali, Abdoulghayom Gholipouri, AHMAD TOBEH, NAYER AZAM KHOSHKHOLGHSIMA, and BEHJAT TAJEDDIN, “Response of Seed Yield and Oil Quality of Iranian Native Sesame Genotypes to Drought Stress,” SEED AND PLANT PRODUCTION JOURNAL, vol. 35-2, no. 2 , pp. 133–157, 2019, [Online]. Available: https://sid.ir/paper/357422/en

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