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Effects of plant growth promoting rhizobacteria (PGPR) on yield, growth and nutrient contents in organically growing raspberry
Scopus
Toplam 268 atıf DOI
During 2003 and 2005, plant growth promoting effects of two Bacillus strains OSU-142 (N2-fixing) and M3 (N2-fixing and phosphate solubilizing) were tested alone or in combinations on organically grown primocane fruiting raspberry (cv. Heritage) plants in terms of yield, growth, nutrient composition of leaves and variation of soil nutrient element composition in the province of Erzurum, Turkey. The results showed that Bacillus M3 treatment stimulated plant growth and resulted in significant yield increase. Inoculation of raspberry plant roots and rhizosphere with M3 and/or OSU-142 + M3, significantly increased yield (33.9% and 74.9%), cane length (13.6% and 15.0%), number of cluster per cane (25.4% and 28.7%) and number of berries per cane (25.1% and 36.0%) compared with the control, respectively. In addition, N, P and Ca contents of raspberry leaves with OSU-142 + M3 treatment, and Fe and Mn contents of the leaves of raspberry with M3 and OSU-142 + M3 applications significantly improved under organic growing conditions. Bacterial applications also significantly effected soil total N, available P, K, Ca, Mg, Fe, Mn, Zn contents and pH. Available P contents in soil was determined to be increased from 1.55 kg P2O5/da at the beginning of the study to 2.83 kg P2O5/da by OSU-142, to 5.36 kg P2O5/da by M3 and to 4.71 kg P2O5/da by OSU-142 + M3 treatments. The results of this study suggest that Bacillus M3 alone or in combination with Bacillus OSU-142 have the potential to increase the yield, growth and nutrition of raspberry plant under organic growing conditions. © 2006 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