UPTAKE OF POTASSIUM AND MAGNESIUM IN MYCORRHIZAL MAIZE UNDER DIFFERENT CONCENTRATIONS OF MG AND K

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KHANPOUR N.; ZARE MAIVAN H.; GHANATI F.

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Journal: PLANT AND ECOSYSTEM Year:2006 | Volume:2 | Issue:8 Page(s): 59-72

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Title

UPTAKE OF POTASSIUM AND MAGNESIUM IN MYCORRHIZAL MAIZE UNDER DIFFERENT CONCENTRATIONS OF MG AND K

Author(s)

KHANPOUR N. | ZARE MAIVAN H. | GHANATI F. | Issue Writer Certificate

Keywords

MAGNESIUM AND POTASSIUM UPTAKEQ3

MAIZE VESICULAR- ARBUSCULAR MYCORRHIZA (VAM)Q2

Abstract

Mycorrhizal colonization improve and increase the uptake of nutrients. In this research the effect of VAM (Vesicular- Arbuscular mycorrhiza) colonization on uptake of potassium and magnesium was studied. In this experiment natural soil containing spores of Glomus spp was used. Mycorrhizal spores were exposed to 4 concentrations of K solution i. e. 240 (soil K content) 360 and 480 mg/L and 3 concentrations of Mg i.e. 4.8 (soil Mg content), 7.2 and 9.6 meq/L concurrently. Plants were watered every 4 days for 16 days with 50 ml distilled water. A pot with sterilized soil was used as negative control. To study the mycorrhizal colonization very thin longitudinal sections of plant roots (>1mm in diam.) were prepared manually and stained with lactophenol-cottonblue. Mycorrhizal percentage was determined by the grid-line intersect method.To measure Mg and K content atomic absorption method has been used. Mycorrhizal colonization increased Mg uptake but decreased K uptake. The maximum Mg content and minimum K content were observed in root and shoot when K (360 mg/L) and Mg (7.2 meq/L) were added to the pots concurrently. Regarding to interaction between VAM and these elements by regulation of Mg and K in rhizosphere would increase mycorrhizal colonization in plants can be increased and through this way plant nutrient status aiming resistance against stresses of environment can be changed.

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APA: Copy

KHANPOUR, N., ZARE MAIVAN, H., & GHANATI, F.. (2006). UPTAKE OF POTASSIUM AND MAGNESIUM IN MYCORRHIZAL MAIZE UNDER DIFFERENT CONCENTRATIONS OF MG AND K. PLANT AND ECOSYSTEM, 2(8), 59-72. SID. https://sid.ir/paper/145194/en

Vancouver: Copy

KHANPOUR N., ZARE MAIVAN H., GHANATI F.. UPTAKE OF POTASSIUM AND MAGNESIUM IN MYCORRHIZAL MAIZE UNDER DIFFERENT CONCENTRATIONS OF MG AND K. PLANT AND ECOSYSTEM[Internet]. 2006;2(8):59-72. Available from: https://sid.ir/paper/145194/en

IEEE: Copy

N. KHANPOUR, H. ZARE MAIVAN, and F. GHANATI, “UPTAKE OF POTASSIUM AND MAGNESIUM IN MYCORRHIZAL MAIZE UNDER DIFFERENT CONCENTRATIONS OF MG AND K,” PLANT AND ECOSYSTEM, vol. 2, no. 8, pp. 59–72, 2006, [Online]. Available: https://sid.ir/paper/145194/en

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