engleski

Effect of inoculation on some important characteristics of peas grown in Herzegovina region (Bosnia and Herzegovina)

Biological nitrogen fixation plays an important role in sustainable crop production. It is a safe, productive and cost-effective form of land management which provides a significant input of biologically-fixed nitrogen in soil. In sustainable crop production, inoculation of pea seeds (Pisum sativum L.) with effective strains of Rhizobium leguminosarum becomes more and more exploited. Selection of R. legumiosarum strains that are effective and adapted to specific environmental condition is essential prerequisite for successful inoculation. The experiment was set up with two most common pea cultivars in Herzegovina in randomized block design with three replications. Influence of inoculation with reference and indigenous R. legumionsarum strains on pea cultivars characteristics was assessed. The results confirm that higher values of nitrogen content in grain of peas are significantly affected by cultivars, while the nitrogen content in the aboveground plant parts were significantly affected by the interaction between the selected indigenous and reference strains and pea cultivars. The highest yield (3.83 t ha-1) was obtained by application of reference R. leguminosarum strain but without statistical significant differences to indigenous strains and control. The number of nodules and their dry weight were significant affected by the indigenous R. leguminosarum strain S1 but the number of nodules was also influenced by the cultivars. Besides observing the effect of seed inoculation on some important characteristics of two pea cultivars(yield, number of nodules, dry weight of nodules, nitrogen content in the aboveground plant and grain) the interaction between inoculation with different rhizobial strains and pea cultivars was determined as well.

Rhizobium leguminosarum, pea, nitrogen, yield, nodulation

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