A SURVEY ON CERTAIN PARAMETERS OF PHOTOSYNTHESIS IN RICE PLANTS UNDER NACI SALINITY

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KHAVARINEZHAD RAMEZAN ALI; FALAHIAN F.A.; MORTEZAINEZHAD F.

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Paper Information

Journal: JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY) Year:2000 | Volume:10 | Issue:35-36 Page(s): 2523-2536

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Title

A SURVEY ON CERTAIN PARAMETERS OF PHOTOSYNTHESIS IN RICE PLANTS UNDER NACI SALINITY

Author(s)

KHAVARINEZHAD RAMEZAN ALI | FALAHIAN F.A. | MORTEZAINEZHAD F. | Issue Writer Certificate

Keywords

PROLINE

OSMOREGULATOR

GLYCINE

BETAINE

GLUTAMINE

ABSCISIC ACID

Abstract

Certain photosynthetic responses and PROLINE accumulation in Champa rice (Oryza sativa L.) cultivars Zayandehrood, Sazandegi, Sorkheh and Nougaran under NaCL salinity were investigated with the aim of identifying salt resistant cultivars. Plants were raised in nutrient solutions. Through which the NaCI stress (7.5 mMohs cm-1 Ec=4800 mg lit-1) were applied to plants. All experiments were Carried out as based on fully randomized design and repeated three times.Results indicated that the content of chlorophylls a, b and the total chlorophyll decreased significantly under stress conditions. The contents of PROLINE, β -caroten and soluble sugars increased but the contents of xanthophyll and starch did not change significantly under NaCI sterss. In order to study the extent of responses of plant cultivars towards the NaCI Salinity. The cultivars were subjected to the salinity stress under the four EC values of 0,5,7.5 and 15 mMohs cm-1 = 0,3200,4800 and 9600 mglit-1 The results indicated that at the tolerance threshold of EC=7.5 mMohsCm-1 the content of PROLINE was greater in Sorkheh and Zayandehrood than that in Sazandegi and Nougaran. With increasing the salinity in the root medium (Ec=15 mMohsCm-1) the content of PROLINE increased in Sazandegi and Nougaran as compared with that of Sorkheh and Zayandehrood.

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APA: Copy

KHAVARINEZHAD, RAMEZAN ALI, FALAHIAN, F.A., & MORTEZAINEZHAD, F.. (2000). A SURVEY ON CERTAIN PARAMETERS OF PHOTOSYNTHESIS IN RICE PLANTS UNDER NACI SALINITY. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 10(35-36), 2523-2536. SID. https://sid.ir/paper/529428/en

Vancouver: Copy

KHAVARINEZHAD RAMEZAN ALI, FALAHIAN F.A., MORTEZAINEZHAD F.. A SURVEY ON CERTAIN PARAMETERS OF PHOTOSYNTHESIS IN RICE PLANTS UNDER NACI SALINITY. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2000;10(35-36):2523-2536. Available from: https://sid.ir/paper/529428/en

IEEE: Copy

RAMEZAN ALI KHAVARINEZHAD, F.A. FALAHIAN, and F. MORTEZAINEZHAD, “A SURVEY ON CERTAIN PARAMETERS OF PHOTOSYNTHESIS IN RICE PLANTS UNDER NACI SALINITY,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 10, no. 35-36, pp. 2523–2536, 2000, [Online]. Available: https://sid.ir/paper/529428/en

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