EXOGENOUS PUTRESCINE DELAYS SENESCENCE OF LISIANTHUS CUT FLOWERS

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ATAEI DAVOUD; NADERI ROOHANGIZ; KHANDAN MIRKOHI AZIZOLLAH

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Journal: JOURNAL OF ORNAMENTAL PLANTS (JOURNAL OF ORNAMENTAL AND HORTICULTURAL PLANTS) Year:2015 | Volume:5 | Issue:3 Page(s): 167-174

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Title

EXOGENOUS PUTRESCINE DELAYS SENESCENCE OF LISIANTHUS CUT FLOWERS

Author(s)

ATAEI DAVOUD | NADERI ROOHANGIZ | KHANDAN MIRKOHI AZIZOLLAH | Issue Writer Certificate

Keywords

ANTIOXIDANT ENZYMEQ2

LIPOXYGENASEQ2

LISIANTHUSQ2

PUTRESCINEQ2

VASE LIFEQ2

Abstract

The anti-senescence biogenic polyamines (PAs) PUTRESCINE (Put), spermidine (Spd) and spermine (Spm) are involved in plant growth processes and responses to stress. The physiological mechanism of exogenous Put to affect the senescence of cut LISIANTHUS flowers during VASE LIFE was investigated. Fresh cut LISIANTHUS flowers were treated with distilled water (control), 0.5, 1 and 2 mM Put and then held at 25oC up to 12 days. Exogenous Put supply at 2 mM extended VASE LIFE, which was associated with reduced electrolyte leakage and MDA content. Put treatment also reduced activity of LIPOXYGENASE (LOX), is responsible for membrane lipid peroxidation. Put treatment also enhanced activities of catalase (CAT) and ascorbate peroxidase (APX) and decreased H2O2 accumulation during VASE LIFE. Thus, exogenous Put supply could maintain membrane integrity by increasing antioxidant system activity, thereby retarding the senescence of cut LISIANTHUS flower during VASE LIFE. Keywords: ANTIOXIDANT ENZYME, LIPOXYGENASE, LISIANTHUS, PUTRESCINE, VASE LIFE.

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APA: Copy

ATAEI, DAVOUD, NADERI, ROOHANGIZ, & KHANDAN MIRKOHI, AZIZOLLAH. (2015). EXOGENOUS PUTRESCINE DELAYS SENESCENCE OF LISIANTHUS CUT FLOWERS. JOURNAL OF ORNAMENTAL PLANTS (JOURNAL OF ORNAMENTAL AND HORTICULTURAL PLANTS), 5(3), 167-174. SID. https://sid.ir/paper/242593/en

Vancouver: Copy

ATAEI DAVOUD, NADERI ROOHANGIZ, KHANDAN MIRKOHI AZIZOLLAH. EXOGENOUS PUTRESCINE DELAYS SENESCENCE OF LISIANTHUS CUT FLOWERS. JOURNAL OF ORNAMENTAL PLANTS (JOURNAL OF ORNAMENTAL AND HORTICULTURAL PLANTS)[Internet]. 2015;5(3):167-174. Available from: https://sid.ir/paper/242593/en

IEEE: Copy

DAVOUD ATAEI, ROOHANGIZ NADERI, and AZIZOLLAH KHANDAN MIRKOHI, “EXOGENOUS PUTRESCINE DELAYS SENESCENCE OF LISIANTHUS CUT FLOWERS,” JOURNAL OF ORNAMENTAL PLANTS (JOURNAL OF ORNAMENTAL AND HORTICULTURAL PLANTS), vol. 5, no. 3, pp. 167–174, 2015, [Online]. Available: https://sid.ir/paper/242593/en

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