Effect of plant growth promoting bacteria (Azospirillum sp.) On physiology and yield of two oilseed rapes
2015
Arzanesh, M. H. | Faraji, A.
To evaluate the efficacy of plant growth promoting bacteria (Azospirillum sp.) on canola crop, an experiment (2009-2010) was conducted at Agricultural Research Station of Gorgan. Eight levels of fertilizer treatments (1 - control (no fertilizer and no bacteria ) , 2 - recommended fertilizer according to soil test(50 kg/h of Urea and triple super phosphate) ,3-50 % of recommended fertilizer 4 - Seed inoculation with isolates AZ1, 5 - Seed inoculation with strains AZ10, 6 – combined of 50 % of recommended fertilizer + inoculated seed With strain AZ1, 7 - combined of 50 % of recommended fertilizer +inoculated seed strain AZ10 and 8 – combined of 50 % of recommended fertilizer + inoculated seed with isolates AZ1 and AZ10) with two genotypes of oilseed rapes ( Hyola401 and line 6) were combined with factorial arrangement (8×2). The highest grain yield (2892 kg per ha) was observed in recommended fertilizer treatment. There was no significant difference between recommended fertilizer treatment and 50% recommended fertilizer + AZ1 isolate or 50% recommended fertilizer + AZ1 and AZ10 isolates treatments. The results also showed that Azospirillum sps had positive effects on yield and yield components of oilseed rapes.
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