Colonization and plant growth-promotion of tomato by Burkholderia tropica

Role of plant growth promoting rhizobacteria in sustainable production of vegetables: Current perspective

“…The PGPR is one of the most important and agronomically useful soil microbiota that involves free living growth promoting rhizobacteria (Lutenberg and Kamilova, 2009;Bhattacharya and Jha, 2012) and widely studied symbiotic nodule bacteria, for example, rhizobia (Peix et al, 2015). The microbiological preparation including those of PGPR often called as biofertilizers "a substance which contains living microorganisms which, when applied to seed, plant surfaces, or soil, colonizes the rhizosphere or the interior of the plant and promotes growth by increasing the supply or availability of primary nutrients to the host plant (Vessey, 2003)" when applied to seeds and/or soils, have been found to affect the growth of horticultural crops (Esitken, 2011) including vegetables, for example, potato (Singh, 2013), tomato (Bernabeu et al, 2015), brinjal (Seymen et al, 2013), cucumber (Gül et al, 2013), radish (Yildirim et al, 2008b), chilli (Silva et al, 2013) and lettuce (Chamangasht et al, 2012) and broccoli (Yildirim et al, 2011). The effects of PGPR on crops growing in different agronomic regions may range from neutral (Ahemad and Khan, 2011) to positive to deleterious (Akello et al, 2007).…”

“…Like other horticultural crops, tomato growth is also influenced by PGPR application (Ibiene et al, 2012). For instance, the results by Bernabeu et al (2015) have shown that seedling inoculation with Burkholderia tropica resulted in effective root colonization of tomato plants which further spreads to aerial tissues. Also, the significant colonization led to a consistent increase in tomato production in two different crop seasons.…”

The persistence and performance of phosphate-solubilizing Gluconacetobacter liquefaciens qzr14 in a cucumber soil

“…However, various failures or inconsistencies in achieving the objective have also been reported (Holmberg et al 2012;Vanelsas et al 1986;Von Felten et al 2010). For example, Burkholderia tropica increased tomato fruit yields by 17% in the first year, but only 6% in the second year (Bernabeu et al 2015). Some ACC-utilizing or N 2 -fixing bacteria effectively promoted the growth of plants in a sterilized environment, whereas its plant growth-promoting effects were weaker in a non-sterilized environment (Liu et al 2014).…”

Innovative liquid formulation of digestates for producing a biofertilizer based on Bacillus siamensis: Field testing on sweet pepper

“…Different techniques have been used to identify the inoculated strain in the endosphere or rhizosphere of the crop; for example, the use of a GFP‐tagged strain ( Zhao et al, ; Bernabeu et al, ) or the use of spontaneous rifampicin‐resistant strains ( Hassen and Labuschagne , ). The RAPD analysis used in the present study presents the advantage that there is no need for either genetic transformation of the strain or using antibiotic‐resistant strains.…”