Phosphate fertilization regulates arbuscular mycorrhizal symbiosis in roots of soybean (Glycine max L.) cultivars in a humid tropical soil


  • Nurudeen Olatunbosun ADEYEMI Federal University of Agriculture, Abeokuta, Nigeria
  • Olanrewaju Emmanuel ONI Federal University of Agriculture, Abeokuta, Nigeria
  • Paul Abayomi Sobowale SOREMI Federal University of Agriculture, Abeokuta, Nigeria
  • Ademola ADEBIYI Federal University of Agriculture, Abeokuta, Nigeria
  • Adebanke OLUBODE Federal University of Agriculture, Abeokuta, Nigeria
  • Olufemi AJAO Federal University of Agriculture, Abeokuta, Nigeria



arbuscules, biomass, internal hyphae, soybean, phosphorus uptake, vesicles, Nigeria


The effect of phosphate fertilization on arbuscular mycorhizal symbiosis and grain yields of soybean cultivars was investigated on P deficient soil. A two-year field study (2017-2018) consisting of two soybean cultivars (TGx 1448-2E and TGx 1440-1E) and three phosphate rates [0, 20 and 40 kg P2O5 ha-1) was laid out in a randomized complete block design with three replications. The results showed that P fertilization significantly (p < 0.001) reduced AMF root colonization of both cultivars in the two cropping years. The arbuscular, vesicular, internal hyphae and total colonization in the root cortex of the soybean cultivars were significantly (p < 0.001) reduced with high P (40 kg) application. However, moderate P (20 kg) promote AMF symbiosis in roots of ‘TG x 1448-2E‘. Dry mass (root and shoot), P uptake and grain yield of the soybean cultivars were significantly (p < 0.001) increased with increasing P ferilization. There was a strong linear relationships between root colonization and total dry matter mass (r = 0.81), P uptake (r = 0.81) and grain yield (r = 0.85). Thus, it could be concluded that moderate P fertilizer application is needed to promote mycorrhizal symbiosis in soybean and sustainable crop production in humid tropical soil.


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10. 11. 2021



Original Scientific Article

How to Cite

ADEYEMI, N. O., ONI, O. E., SOREMI, P. A. S., ADEBIYI, A., OLUBODE, A., & AJAO, O. (2021). Phosphate fertilization regulates arbuscular mycorrhizal symbiosis in roots of soybean (Glycine max L.) cultivars in a humid tropical soil. Acta Agriculturae Slovenica, 117(3), 1–9.

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