PHYSIOCHEMICAL RESPONSES OF SIX POMEGRANATE CULTIVARS FROM RAZAVI KHORASAN UNDER FREEZING STRESS

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SALAHVARZI Y.; DAVARINEJAD GH.; TEHRANIFAR A.; NEAMATI H.; NEZAMI A.

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Journal: IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY Year:2010 | Volume:11 | Issue:3 Page(s): 197-208

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Title

PHYSIOCHEMICAL RESPONSES OF SIX POMEGRANATE CULTIVARS FROM RAZAVI KHORASAN UNDER FREEZING STRESS

Author(s)

Keywords

ANTIOXIDANT ACTIVITYQ2

ELECTROLYTE LEAKAGEQ2

PROLINEQ3

RE-GROWTHQ2

‘SHISHE CAP’ CULTIVARQ1

Abstract

Freezing stress is one of the most important problems for pomegranate growers in Iran. For example most pomegranate orchards were completely destroyed in the Khorasan province and other places because of severe winter freeze in 2008. Therefore, a factorial experiment based on completely randomized design (CRD) was performed during winter 2009. Six genotypes included (‘Shirin e Poost Ghermez’, ‘Poost Sefid’, ‘Shahvar’, ‘Torsh e Malas’, ‘Shalghami’ and ‘Shishe Cap’) and 8 temperatures in the range of -10 to -24oC as well as a control were compared. Results showed that the amount of browning, PROLINE content, ELECTROLYTE LEAKAGE and ANTIOXIDANT ACTIVITY were increased by freezing incubation in all cultivars, whereas survival percentage was decreased. Not any RE-GROWTH was recorded in 3 cultivars (‘Shirin e Poost Ghermez’, ‘Poost Sefid’ and ‘Shahvar’) at -18oC but ‘Torsh e Malas’, ‘Shalghami’ and ‘Shishe Cap’ showed 30, 21.5 and 61.2 respectively survival percentages. The cultivar ‘Shishe Cap’ could stabilize its membrane structure and ELECTROLYTE LEAKAGE up to -20oC. The PROLINE content of ‘Shishe Cap’ showed a 12-fold increase at -24oC in comparison with control. Therefore, it seems that ‘Shishe Cap’ pomegranate was able to retain its survival effectively compared with the other studied cultivars.

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References

THE EFFECT OF FREEZING ON THE ELECTROLYTE LEAKAGE OF 10 CULTIVATED AND ONE WILD SPECIES OF ALMOND IN ISFAHAN PROVINCE

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APA: Copy

SALAHVARZI, Y., DAVARINEJAD, GH., TEHRANIFAR, A., NEAMATI, H., & NEZAMI, A.. (2010). PHYSIOCHEMICAL RESPONSES OF SIX POMEGRANATE CULTIVARS FROM RAZAVI KHORASAN UNDER FREEZING STRESS. IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, 11(3), 197-208. SID. https://sid.ir/paper/80816/en

Vancouver: Copy

SALAHVARZI Y., DAVARINEJAD GH., TEHRANIFAR A., NEAMATI H., NEZAMI A.. PHYSIOCHEMICAL RESPONSES OF SIX POMEGRANATE CULTIVARS FROM RAZAVI KHORASAN UNDER FREEZING STRESS. IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY[Internet]. 2010;11(3):197-208. Available from: https://sid.ir/paper/80816/en

IEEE: Copy

Y. SALAHVARZI, GH. DAVARINEJAD, A. TEHRANIFAR, H. NEAMATI, and A. NEZAMI, “PHYSIOCHEMICAL RESPONSES OF SIX POMEGRANATE CULTIVARS FROM RAZAVI KHORASAN UNDER FREEZING STRESS,” IRANIAN JOURNAL OF HORTICULTURAL SCIENCE AND TECHNOLOGY, vol. 11, no. 3, pp. 197–208, 2010, [Online]. Available: https://sid.ir/paper/80816/en

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