<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Pseudomonas sp. and Bacillus sp. belong to plant growth promoting rhizobacteria which are able to colonize the plants roots and stimulate growth. In this study, the effect of two indigenous plant growth promoting rhizobacterial strains Pseudomonas sp. Q4 and Bacillus sp. Q10 and their mixture (mix Q4+Q10) on content of the main chemical growth parameters (nitrogen, phosphorus, potassium, calcium and magnesium) and the yield of dry biomass of radicchio (Cichorium spp. var. rossa di treviso) aerial parts and root, was investigated. The study was carried out with stagnosol type of soil in pot experiments under semi-controlled conditions in the Institute of Soil Science (Belgrade), in the period from July to October in 2013. Phosphorus was determined by spectrophotometer, potassium - by flame emission photometry and total nitrogen and carbon - using elemental CNS analyzer, while calcium and magnesium were determined by AAS. The data on yield of both aerial parts and root dry biomass of radicchio showed that its treatment with Q4 and Q10 strains, as well as with their mixture, caused noticeably increase in this parameter in relation to the control, whereby the strain Q4 was more effective for aerial parts, while mix Q4+Q10 - for roots. The obtained data on the studied chemical parameters of radicchio root and aerial parts were in total accordance with their yield. Concluding, studied strains have a potential in promoting the biomass yield and main chemical growth parameters of both aerial parts and root of radicchio.</p></abstract>

Pseudomonas sp. and Bacillus sp. belong to plant growth promoting rhizobacteria which are able to colonize the plants roots and stimulate growth. In this study, the effect of two indigenous plant growth promoting rhizobacterial strains Pseudomonas sp. Q4 and Bacillus sp. Q10 and their mixture (mix Q4+Q10) on content of the main chemical growth parameters (nitrogen, phosphorus, potassium, calcium and magnesium) and the yield of dry biomass of radicchio (Cichorium spp. var. rossa di treviso) aerial parts and root, was investigated. The study was carried out with stagnosol type of soil in pot experiments under semi-controlled conditions in the Institute of Soil Science (Belgrade), in the period from July to October in 2013. Phosphorus was determined by spectrophotometer, potassium - by flame emission photometry and total nitrogen and carbon - using elemental CNS analyzer, while calcium and magnesium were determined by AAS. The data on yield of both aerial parts and root dry biomass of radicchio showed that its treatment with Q4 and Q10 strains, as well as with their mixture, caused noticeably increase in this parameter in relation to the control, whereby the strain Q4 was more effective for aerial parts, while mix Q4+Q10 - for roots. The obtained data on the studied chemical parameters of radicchio root and aerial parts were in total accordance with their yield. Concluding, studied strains have a potential in promoting the biomass yield and main chemical growth parameters of both aerial parts and root of radicchio.

Effect of Indigenous <italic>Pseudomonas</italic> sp. and <italic>Bacillus</italic> sp. Strains on Yield and Main Chemical Growth Parameters of Radicchio

Contemporary Agriculture

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Effect of Indigenous  sp. and  sp. Strains on Yield and Main Chemical Growth Parameters of Radicchio

Pseudomonas sp. and Bacillus sp. belong to plant growth promoting rhizobacteria which are able to colonize the plants roots and stimulate growth. In this...

Effect of Indigenous Pseudomonas sp. and Bacillus sp. Strains on Yield and Main Chemical Growth Parameters of Radicchio

Published Online: Mar 09, 2018

Page range: 20 - 26

Received: Jun 20, 2017

Accepted: Dec 24, 2017

DOI: https://doi.org/10.2478/contagri-2018-0003

Keywords
PGPR strains, radicchio, dry biomass yield, chemical growth parameters, Stagnosol

© 2018 Aleksandra Stanojković-Sebić et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Effect of Indigenous Pseudomonas sp. and Bacillus sp. Strains on Yield and Main Chemical Growth Parameters of Radicchio

Published Online: Mar 09, 2018

Page range: 20 - 26

Received: Jun 20, 2017

Accepted: Dec 24, 2017

DOI: https://doi.org/10.2478/contagri-2018-0003

KeywordsPGPR strains, radicchio, dry biomass yield, chemical growth parameters, Stagnosol

© 2018 Aleksandra Stanojković-Sebić et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
PGPR strains, radicchio, dry biomass yield, chemical growth parameters, Stagnosol