Effect of Mycorrhiza and Rhyzobium on Micronutrient Uptake by Soybean at Different Phosphorus Levels in Limed Soil

  • Adel K. Khdher University of Salahaddin
  • Omar A. Fattah University of Sulaimani
Keywords: The


A greenhouse pot experiment was conducted to study the effect of inoculation with arbuscular mycorrhiza fungi (AMF) and Bradyrhizobium japonicum at different P levels on mycorrhiza effectiveness  Zn, Mn, Cu and Fe contents in soybean plants in limed soil. When the acidic soil was limed, the best phosphorus level for mycorrhizal   effectiveness was a medium level 0.02 mg p L-1. The AMF inoculation significantly increased the effectiveness of mycorrhiza as a function of time between 21 to 45 days after planting .The maximum P value found in plants was 5.55 µg p leaf disk-1 at 33 days after planting, while the lowest value (2.94 µg p leafdisk-1 was recorded at 15 days after planting.Co-inoculation soils with AMF and R. japonicum significantly affected the shoot Zn, Mn, Cu and Fe contents with increasing applied phosphorus. The maximum values recorded for shoot Zn, Mn, Cu and  Fe  was 38.33,  56.0, 9.33 and 175.0 µg g-1 respectively and for AMF inoculation was 77.50 , 46.00 , 12.17 and 151.00 µg g-1 while for Rhizobium inoculation was 46.33,  59.83,  8.67 and 183.83 µg g-1 and for non inoculated 73.83,  42.67, 10.83 and 81.50 µg g-1.

Author Biographies

Adel K. Khdher, University of Salahaddin

Dept. of Biology, College of Education Science, University of Salahaddin, Kurdistan Region- Iraq.

Omar A. Fattah, University of Sulaimani

Dept. Soil and Water Science, Faculty of Agricultural Science, University of Sulaimani, Kurdistan Region-Iraq.


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How to Cite
Khdher, A., & Fattah, O. (2013). Effect of Mycorrhiza and Rhyzobium on Micronutrient Uptake by Soybean at Different Phosphorus Levels in Limed Soil. Science Journal of University of Zakho, 1(2), 556-568. Retrieved from https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/266
Science Journal of University of Zakho