Effect of rhizobacteria treatments on nutrient content and organic and amino acid composition in raspberry plants

Authors : Muzaffer İPEK

Pages : 88-95

View : 16 | Download : 12

Publication Date : 2019-02-01

Article Type : Research Paper

Abstract :Plant growth-promoting rhizobacteria insert ignore into journalissuearticles values(PGPR); have been found to be beneficial to plant growth, yield, crop quality, the environment, and sustainable agricultural production. Therefore, six bacterial strains were tested to determine their effects on raspberry`s nutrient content and organic and amino acid composition. The experiment was performed from 2015 to 2017. Two-year-old raspberry plants were inoculated with bacterial suspensions by a dipping method and were planted in 30-L pots. The mineral content and organic acid and amino acid composition of the leaf and root were compared in the Alcaligenes 637Ca, Staphylococcus MFDCa1 and MFDCa2, Agrobacterium A18, Pantoea FF1, and Bacillus M3 bacterial strains. Nitrogen insert ignore into journalissuearticles values(N); content of the leaf was 2.55% in the A18 treatment, while N content of the root was 1.61% in MFDCa2. The leaf`s iron insert ignore into journalissuearticles values(Fe); content was highest in the M3 treatment with 91.76 mg kg-1, while 637Ca gave the highest root`s Fe content with 107.80 mg kg-1. The content of malonic acid insert ignore into journalissuearticles values(16.78 ng µL-1);, malic acid insert ignore into journalissuearticles values(4.59 ng µL-1);, citric acid insert ignore into journalissuearticles values(16.88 ng µL-1);, and fumaric acid insert ignore into journalissuearticles values(4.94 ng µL-1); in leaves was higher in MFDCa2 than in the other treatments. In addition, 637Ca treatment had the highest root organic acid content in tartaric acid insert ignore into journalissuearticles values(5.94 ng µL-1);, butyric acid insert ignore into journalissuearticles values(15.19 ng µL-1);, and maleic acid insert ignore into journalissuearticles values(5.13 ng µL-1);. FF1 treatment was more effective than the other treatments for increasing the leaf?s amino acid content, while the 637Ca, MFDCa1 FF1, and M3 treatments were more effective in increasing the root?s amino acid content. As a result, it was determined that PGPR treatments play a significant role in mineral nutrient uptake and the organic acid and amino acid composition of the raspberry plant.
Keywords : Amino acids, organic acids, plant growth promoting rhizobacteria, plant nutrition, raspberry