Nodule efficiency of three soybeen genotypes inoculated by different methods
2002
Milic, V.: Mrkovacki, N. (Institute of Field and Vegetable Crops, Novi Sad (Yugoslavia)) | Popovic, M. | Malencic, D.
The objective of the study was to investigate how the inoculation of soybean seed (variety Afrodita, and two lines) with strains of Bradyrhizobium japonicum (1, 1a, 2b), Azotobacter chroococcum (3, 13, 14), and GA3 (gibberellic acid) affected plant dry weight, nitrogen content of nodules and whole plant, the enzymes of nitrogen assimilation (NR, GS) and soluble protein content. The highest dry matter mass and nitrogen content were found in the variety Afrodita, followed by line NS-L-300168. The GS and NR activity was increased significantly by all three inoculation treatments relative to the control. In all three genotypes, the highest values for the enzymatic activity were achieved with treatment mixture of B. japonicum and A. chroococcum strains. Each measurement was performed with three replications. The results were processed using variance analysis and the values were tested with the LSD at 5 %.
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