Interactive effects of plant growth-promoting rhizobacteria and a seaweed extract on the growth and physiology of Allium cepa L. (onion)

Copyright © 2021 Elsevier GmbH. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Journal of plant physiology. - 1979. - 262(2021) vom: 15. Juli, Seite 153437
1. Verfasser: Gupta, Shubhpriya (VerfasserIn)
Weitere Verfasser: Stirk, Wendy A, Plačková, Lenka, Kulkarni, Manoj G, Doležal, Karel, Van Staden, Johannes
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Biostimulants Microbes Minerals Onion Phytohormones Seaweed Plant Extracts Plant Growth Regulators Chlorophyll mehr... 1406-65-1 Carotenoids 36-88-4
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245 1 0 |a Interactive effects of plant growth-promoting rhizobacteria and a seaweed extract on the growth and physiology of Allium cepa L. (onion) 
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500 |a Date Revised 27.09.2021 
500 |a published: Print-Electronic 
500 |a ErratumIn: J Plant Physiol. 2021 Nov;266:153512. - PMID 34571428 
500 |a Citation Status MEDLINE 
520 |a Copyright © 2021 Elsevier GmbH. All rights reserved. 
520 |a Detrimental effects caused by the overuse of synthetic agrochemicals have led to the development of natural biostimulants such as seaweed extracts and plant growth-promoting rhizobacteria (PGPR) being used as an alternative, environmentally-friendly technology to improve crop growth and increase agricultural yields. The present study aimed to investigate the interactions between PGPR and a commercial seaweed extract on the growth and biochemical composition of onion (Allium cepa). A pot trial was conducted under greenhouse conditions where onion plants were treated individually with the two PGPR, namely Bacillus licheniformis (BL) and Pseudomonas fluorescens (PF) and a seaweed extract Kelpak® (KEL) and combinations of KEL + BL and KEL + PF. Growth and yield parameters were measured after 12 weeks. KEL-treated plants showed the best growth response and overcame the inhibitory effects of BL treatment. KEL-treated plants also had the highest chlorophyll content. PGPR application improved the mineral nutrition of onion with these plants having the highest mineral content in the leaves and bulb. All biostimulant treatments increased the endogenous cytokinin and auxin content with the highest concentrations generally detected in the PF-treated plants. These results suggest that co-application of different biostimulant classes with different modes of action could further increase crop productivity with an improvement in both growth and nutrition content being achieved in onion with the co-application of a seaweed extract and PGPR 
650 4 |a Journal Article 
650 4 |a Biostimulants 
650 4 |a Microbes 
650 4 |a Minerals 
650 4 |a Onion 
650 4 |a Phytohormones 
650 4 |a Seaweed 
650 7 |a Plant Extracts  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Chlorophyll  |2 NLM 
650 7 |a 1406-65-1  |2 NLM 
650 7 |a Carotenoids  |2 NLM 
650 7 |a 36-88-4  |2 NLM 
700 1 |a Stirk, Wendy A  |e verfasserin  |4 aut 
700 1 |a Plačková, Lenka  |e verfasserin  |4 aut 
700 1 |a Kulkarni, Manoj G  |e verfasserin  |4 aut 
700 1 |a Doležal, Karel  |e verfasserin  |4 aut 
700 1 |a Van Staden, Johannes  |e verfasserin  |4 aut 
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