Effect of mycorrhizal inoculation on the yield averages of winter wheat (Triticum aestivum var. Mv Nádor) under farm conditions
Keywords:
mycorrhizal inoculation, Glomus intraradices, wheat, yield averageAbstract
The effect of mycorrhizal inoculants on a winter wheat cultivar (Triticum aestivum var. Mv Nádor) was tested under modified farm conditions near Nagyhörcsök in 2016. The soil of the experimental field was a chernozem with lime deposits (WBR classification: Calcic Chernozem) with a mean humus content of 2.73%, AL-soluble P2O5 and K2O values of 181 mg/kg and 149 kg/kg and a pH(KCl) of 7.27. The mycorrhizal inoculant contained spores of Rhizophagus irregularis (previously Glomus intraradices) and Glomus mosseae. In some of the treatments mineral fertiliser was applied at a rate of 130 kg/ha N, 78 kg/ha P2O5 and 60 kg/ha K2O in addition to the soil inoculation. Both mycorrhizal inoculation and mineral fertiliser application were found to have a significant effect on the yield level (at the p<0.05 level). The mean yield of the inoculated treatments was 8.91 t/ha, compared with a mean of 8.50 t/ha for the noninoculated treatments. Plots given mineral fertiliser treatment had a mean yield of 9.23 t/ha, while those given no mineral fertiliser yielded only 7.75 t/ha. The yield-increasing effect of mycorrhizal inoculation was only manifested on plots where no mineral fertiliser was applied. Plant protection treatments were the same on all the plots. There was no difference between the treatments in terms of plant pathological parameters.
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