Effect of biofertilizers mycorrhizae and Azetobacter on grain yield wheat (Triticum aestivum L.) varieties in Khorramabad

To investigate the effect of bio fertilizers mycorrhizae and Azetobacter on wheat, an experiment during two growing seasons 2013- 2014 and 2014- 2015 Khorramabad was conducted in the region. In this regard, a review of field factorial experiment in a randomized complete block designs with four replications. Treatments evaluated in this experiment consisted of bio-fertilizer Mycorhiza (inoculated and non-inoculated), Azotobacter in two levels (inoculated and non-inoculated) on three wheat (Sardari, Kuhdasht and Karim) with four replications was. At harvest time, the average number of tillers, plant height, and number of grains per spike, number of spikes per square meter, spike weight, grain yield, biological yield, harvest index, straw yield and efficiency of precipitation was measured. Analysis of variance showed that the independent effect of the year, a percentage of mycorrhiza and cultivar on grain yield was significantly (P