Effect of water deficit stress on some physiological and biochemical traits of forage sorghum genotypes

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GHAHREMANI MASOUMEH; EBADI ALI; PARMOON GHASEM; JAHANBAKHSH SOODABE

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Journal: Iranian Journal of Field Crop Science Year:2018 | Volume:48 | Issue:4 Page(s): 1083-1097

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Title

Effect of water deficit stress on some physiological and biochemical traits of forage sorghum genotypes

Author(s)

GHAHREMANI MASOUMEH | EBADI ALI | PARMOON GHASEM | JAHANBAKHSH SOODABE | Issue Writer Certificate

Keywords

biomassQ1

prolineQ2

peroxidaseQ2

water deficit stressQ2

catalaseQ2

photosynthesisQ2

Abstract

This study was performed to investigate the effect of water deficit stress on activitiys of some antioxidaive enzymes, photosynthetic pigments and forage yield of sorghum genotypes. This experiment was conducted to a factorial in a randomized complete completely design with three replicates in greenhouse of University of Mohaghegh Ardabili in 2013. Treatments consisted of irrigation at four levels (85, 65, 45 and 25% of field capacity) and three genotypes of forage sorghum (KFS2, KFS6, and KFS17). catalase, peroxidase and polyphenol oxidase enzymes and soluble sugar content, proline and carotenoids, increased in severe stress (25% field capacity) and decreased chlorophyll a and chlorophyll b. The KFS6 genotype had the highest chlorophyll a, chlorophyll b, and total chlorophyll, however, the maximum biomass, proline, soluble sugars, peroxidase and polyphenol oxidase activity and carotenoids were observed by KFS2 genotype. Also positive correlation were observed between the biomass production and carotenoids and chlorophyll content, proline, soluble sugar, catalase, peroxidase and negative correlation between biomass and polyphenol oxidase. Among photosynthetic indices, chlorophyll a, among adjustment indices, peroxidase activity had maximum contribution to prediction biomass. Also in KFS2 genotype except carotenoid and proline all traits had highest correlation with biomass. In general it could introduced KFS2 genotypes as tolerant genotypes to water stress as compared to other genotypes.

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APA: Copy

GHAHREMANI, MASOUMEH, EBADI, ALI, PARMOON, GHASEM, & JAHANBAKHSH, SOODABE. (2018). Effect of water deficit stress on some physiological and biochemical traits of forage sorghum genotypes. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 48(4 ), 1083-1097. SID. https://sid.ir/paper/153727/en

Vancouver: Copy

GHAHREMANI MASOUMEH, EBADI ALI, PARMOON GHASEM, JAHANBAKHSH SOODABE. Effect of water deficit stress on some physiological and biochemical traits of forage sorghum genotypes. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2018;48(4 ):1083-1097. Available from: https://sid.ir/paper/153727/en

IEEE: Copy

MASOUMEH GHAHREMANI, ALI EBADI, GHASEM PARMOON, and SOODABE JAHANBAKHSH, “Effect of water deficit stress on some physiological and biochemical traits of forage sorghum genotypes,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 48, no. 4 , pp. 1083–1097, 2018, [Online]. Available: https://sid.ir/paper/153727/en

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