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Effects of plant growth promoting bacteria (PGPB) on yield, growth and nutrient contents of organically grown strawberry
Scopus
Toplam 283 atıf DOI
The effects of plant growth promoting bacteria (PGPB) on the fruit yield, growth and nutrient element content of strawberry cv. Fern were investigated under organic growing conditions between 2006 and 2008. The experimental plot was a completely randomized design with 3 replicates. Three PGPB strains (Pseudomonas BA-8, Bacillus OSU-142 and Bacillus M-3) were used alone or in combination as bio-fertilizer agent in the experiment. Data through 3 years showed that the use of PGPB significantly increased fruit yield, plant growth and leaf P and Zn contents. Root inoculation of M3 and floral and foliar spraying of OSU-142 and BA-8 bacteria stimulated plant growth resulting in significant yield increases. M3 + BA-8, BA-8 + OSU-142, M3, M3 + OSU-142 and BA-8 applications increased cumulative yield by 33.2%, 18.4%, 18.2%, 15.3% and 10.5%, respectively. Number of fruits per plant significantly increased by the applications of M3 + BA-8 (91.73) and M3 (81.58) compared with the control (68.66). In addition, P and Zn contents of strawberry leaves with bacterial inoculation significantly increased under organic growing conditions. Available P contents in soil were increased from 0.35 kg P2O5/da at the beginning of the study to 2.00, 1.97 and 1.82 kg P2O5/da by M3 + OSU-142, M3 + BA-8 and M3 + BA-8 + OSU-142 applications, respectively. Overall, the results of this study suggest that root inoculation of Bacillus M3 alone or in combination with spraying Bacillus OSU-142 or Pseudomonas BA-8 have the potential to increase the yield, growth and nutrition content of strawberry plant under organic growing conditions. © 2009 Elsevier B.V. All rights reserved.
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Effect of rhizobacteria treatments on nutrient content and organic and amino acid composition in raspberry plants
Scopus
Havuzumuzda Open Access 19 atıf almış
Plant growth-promoting rhizobacteria (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 (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 (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 (16.78 ng µL –1 ), malic acid (4.59 ng µL –1 ), citric acid (16.88 ng µL –1 ), and fumaric acid (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 (5.94 ng µL –1 ), butyric acid (15.19 ng µL –1 ), and maleic acid (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.
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Kurumlar (1)
Selçuk Üniversitesi
Selçuklu, Turkey