PHOTOSYNTHETIC AND NONPHOTOSYNTHETIC PIGMENTS OF TWO ROSE CULTIVARS UNDER DIFFERENT LIGHT INTENSITIES

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HATAMIAN MANSOUREH; ARAB MOSTAFA; ROOZBAN MAHMOUD REZA

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Paper Information

Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2014 | Volume:16 | Issue:2 Page(s): 259-270

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Title

PHOTOSYNTHETIC AND NONPHOTOSYNTHETIC PIGMENTS OF TWO ROSE CULTIVARS UNDER DIFFERENT LIGHT INTENSITIES

Author(s)

HATAMIAN MANSOUREH | ARAB MOSTAFA | ROOZBAN MAHMOUD REZA | Issue Writer Certificate

Keywords

ANTOCYANINQ2

CAROTENOIDQ3

CHLOROPHYLLQ2

FLAVONOIDQ2

LIGHT INTENSITYQ2

Abstract

Biosynthesis of plant pigments is affected by environmental factors especially LIGHT INTENSITY. An expriment was conducted to evaluate the effect of different light intensities on photosynthetic and non-photosynthetic pigments of two rose cultivars including ‘Red One’ and ‘Gulmira’ under greenhouse conditions. In this experiment, the effects of different light intensities including 240, 520 and 640 mmol/m2/s and control with 1200 mmol/m2/s (without application of plastic nets) on the rose cultivars was evaluated under greenhouse conditions. Plastic nets were used to obtain different levels of light intensities. The results showed that photosynthetic pigments, CHLOROPHYLL and CAROTENOIDs, significantly increased in the LIGHT INTENSITY of 240 mmol/m2/s vs. control. In this LIGHT INTENSITY, ANTOCYANIN content was significantly reduced. Reducing LIGHT INTENSITY to 240 mmol/m2/s could result in higher CHLOROPHYLL as well as CAROTENOID content without significant changes in FLAVONOIDs. Increasing anthocyanin content with increasing LIGHT INTENSITY to 1200 mmol/m2/s could be a defense mechanism in plants against toxic levels of light intensities.

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APA: Copy

HATAMIAN, MANSOUREH, ARAB, MOSTAFA, & ROOZBAN, MAHMOUD REZA. (2014). PHOTOSYNTHETIC AND NONPHOTOSYNTHETIC PIGMENTS OF TWO ROSE CULTIVARS UNDER DIFFERENT LIGHT INTENSITIES. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 16(2), 259-270. SID. https://sid.ir/paper/209343/en

Vancouver: Copy

HATAMIAN MANSOUREH, ARAB MOSTAFA, ROOZBAN MAHMOUD REZA. PHOTOSYNTHETIC AND NONPHOTOSYNTHETIC PIGMENTS OF TWO ROSE CULTIVARS UNDER DIFFERENT LIGHT INTENSITIES. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2014;16(2):259-270. Available from: https://sid.ir/paper/209343/en

IEEE: Copy

MANSOUREH HATAMIAN, MOSTAFA ARAB, and MAHMOUD REZA ROOZBAN, “PHOTOSYNTHETIC AND NONPHOTOSYNTHETIC PIGMENTS OF TWO ROSE CULTIVARS UNDER DIFFERENT LIGHT INTENSITIES,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 16, no. 2, pp. 259–270, 2014, [Online]. Available: https://sid.ir/paper/209343/en

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