EVALUATION OF PHOTOSYNTHESIS PARAMETERS, CHLOROPHYLL CONTENT AND FLUORESCENCE OF SAFFLOWER CULTIVARS UNDER SALINE CONDITION

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JAVADIPOUR Z.; MOVAHHEDI DEHNAVI M.; BALOUCHI H.R.

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Journal: Crop Production Year:2013 | Volume:6 | Issue:2 Page(s): 35-56

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Title

EVALUATION OF PHOTOSYNTHESIS PARAMETERS, CHLOROPHYLL CONTENT AND FLUORESCENCE OF SAFFLOWER CULTIVARS UNDER SALINE CONDITION

Author(s)

JAVADIPOUR Z. | MOVAHHEDI DEHNAVI M. | BALOUCHI H.R. | Issue Writer Certificate

Keywords

CAROTENOIDSQ2

PHOTOSYNTHESIS RATEQ2

STOMATAL CONDUCTANCEQ2

TRANSPIRATIONQ2

Abstract

To comparison the photosynthetic parameters and leaf chlorophyll content and fluorescence of safflower (Carthamus tinctorios L.) cultivars under salinity stress, a pot experiment was carried out as factorial arrangement based on completely randomized design with three replications in University of Yasouj in summer 2011. The first factor included four salinity levels (including zero, 75, 150 and 225 mM) and the second factor included six cultivars of safflower (Local Isfahan, Spinned Sina, Isfahan 14, Goldasht, Padideh and Sina 411). Photosynthetic parameters including PHOTOSYNTHESIS RATE, TRANSPIRATION, STOMATAL CONDUCTANCE, mesophyll conductance, chlorophyll content and chlorophyll fluorescence components were measured. Results showed that the interaction of cultivar and salinity for all traits, except for Fv/Fm, were significant. Decreasing trend of chlorophyll and photosynthetic parameters with increasing salinity was different among cultivars. Fluorescence chlorophyll factors, Fm (max fluorescence under dark acclimated condition) and Fo (min fluorescence under dark acclimated condition) were increased with increasing salinity levels in all cultivars. At non-saline condition Padideh cultivar had relative superiority in terms of chlorophyll a, chlorophyll b, TRANSPIRATION rate, photosynthetic rate and water-use efficiency. At 75 mM salinity, Spinned Sina had relative superiority in terms of chlorophyll b, total chlorophyll, CAROTENOIDS, and PHOTOSYNTHESIS RATE compared to other cultivars. At 150 mM salinity, Padideh cultivar had relative superiority in terms of chlorophyll a, chlorophyll b, the rate of photosynthesis and water use efficiency than other varieties and at 225 mM salinity level, Isfahan 14 cultivar in terms of chlorophyll a, chlorophyll b, CAROTENOIDS, assimilation rate and water use efficiency had superiority to other cultivars.

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APA: Copy

JAVADIPOUR, Z., MOVAHHEDI DEHNAVI, M., & BALOUCHI, H.R.. (2013). EVALUATION OF PHOTOSYNTHESIS PARAMETERS, CHLOROPHYLL CONTENT AND FLUORESCENCE OF SAFFLOWER CULTIVARS UNDER SALINE CONDITION. ELECTRONIC JOURNAL OF CROP PRODUCTION, 6(2), 35-56. SID. https://sid.ir/paper/135073/en

Vancouver: Copy

JAVADIPOUR Z., MOVAHHEDI DEHNAVI M., BALOUCHI H.R.. EVALUATION OF PHOTOSYNTHESIS PARAMETERS, CHLOROPHYLL CONTENT AND FLUORESCENCE OF SAFFLOWER CULTIVARS UNDER SALINE CONDITION. ELECTRONIC JOURNAL OF CROP PRODUCTION[Internet]. 2013;6(2):35-56. Available from: https://sid.ir/paper/135073/en

IEEE: Copy

Z. JAVADIPOUR, M. MOVAHHEDI DEHNAVI, and H.R. BALOUCHI, “EVALUATION OF PHOTOSYNTHESIS PARAMETERS, CHLOROPHYLL CONTENT AND FLUORESCENCE OF SAFFLOWER CULTIVARS UNDER SALINE CONDITION,” ELECTRONIC JOURNAL OF CROP PRODUCTION, vol. 6, no. 2, pp. 35–56, 2013, [Online]. Available: https://sid.ir/paper/135073/en

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