EFFECT OF DIFFERENT POTASSIUM AND IRON CONCENTRATION ON GROWTH, ION CONTENTS AND SOME BIOCHEMICAL PARAMETERS IN RICE (VAR. TAREM)

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SHOMALI R.; ABDOLZADEH AHMAD; HADAD CHI GH.R.; SADEGHIPOUR HAMID REZA

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2008 | Volume:14 | Issue:5 Page(s): 64-77

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Title

EFFECT OF DIFFERENT POTASSIUM AND IRON CONCENTRATION ON GROWTH, ION CONTENTS AND SOME BIOCHEMICAL PARAMETERS IN RICE (VAR. TAREM)

Author(s)

SHOMALI R. | ABDOLZADEH AHMAD | HADAD CHI GH.R. | SADEGHIPOUR HAMID REZA | Issue Writer Certificate

Keywords

IRONQ3

POTASSIUMQ2

RICEQ2

CHLOROPHYLLQ2

SUGARQ4

Abstract

IRON and POTASSIUM are essential elements in plants. Optimal applications of these elements lead to improve the quantities and qualities yield of plants. Deficiency or toxicity effects of these elements inhibit plant growth and yield. The IRON toxicity in plants may decrease by supplemental POTASSIUM levels. The main goal of this research was evaluation the effect of different POTASSIUM and IRON levels and their interaction on growth, ions content and some biochemical parameters in RICE. Experiments were performed in completely randomized design as factorial with three replications. Factor one was IRON including four IRON levels (2, 10, 50, 100mg/liter as Fe EDTA) and the factor two was POTASSIUM including three levels (0.5, 5, 10 mM K+ as KCI). Plants were cultivated in greenhouse condition in sand culture for 6 weeks. Nutrient solution was Yoshida that modified based on IRON and POTASSIUM.The results indicated that supplemental POTASSIUM supply lead to greater K+ concentration in roots and shoots. However, increase of POTASSIUM in roots envIRONment had no significant effect on plant growth. IRON deficiency in root (2 mg/l IRON), induced significant decrease in growth, chlorosis, and carbohydrate content in all POTASSIUM levels. The highest growth was observed in 10 mg/liter IRON treatment. Shoot growth did not changed markedly in 50 and 100 mg/liter IRON treatments, but root growth decreased significantly. Increase of IRON in root envIRONment caused significant increment of IRON concentration in both shoots and roots. However, IRON accumulation in root was much higher.Supplemental POTASSIUM nutrition has no significant effect on alleviation of IRON deficiency. The RICE taram variety plants have certain ability to withstand under high IRON concentration in roots envIRONment, so that 100 mg/liter IRON did not changed its shoot growth. However, toxicity inception could be indicated by root growth reduction. Further experiments with higher IRON concentration in root medium are necessary to confirm these results.

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APA: Copy

SHOMALI, R., ABDOLZADEH, AHMAD, HADAD CHI, GH.R., & SADEGHIPOUR, HAMID REZA. (2008). EFFECT OF DIFFERENT POTASSIUM AND IRON CONCENTRATION ON GROWTH, ION CONTENTS AND SOME BIOCHEMICAL PARAMETERS IN RICE (VAR. TAREM). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 14(5), 64-77. SID. https://sid.ir/paper/8874/en

Vancouver: Copy

SHOMALI R., ABDOLZADEH AHMAD, HADAD CHI GH.R., SADEGHIPOUR HAMID REZA. EFFECT OF DIFFERENT POTASSIUM AND IRON CONCENTRATION ON GROWTH, ION CONTENTS AND SOME BIOCHEMICAL PARAMETERS IN RICE (VAR. TAREM). JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2008;14(5):64-77. Available from: https://sid.ir/paper/8874/en

IEEE: Copy

R. SHOMALI, AHMAD ABDOLZADEH, GH.R. HADAD CHI, and HAMID REZA SADEGHIPOUR, “EFFECT OF DIFFERENT POTASSIUM AND IRON CONCENTRATION ON GROWTH, ION CONTENTS AND SOME BIOCHEMICAL PARAMETERS IN RICE (VAR. TAREM),” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 14, no. 5, pp. 64–77, 2008, [Online]. Available: https://sid.ir/paper/8874/en

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