Isolation, characterization and effect of plant-growth-promoting rhizobacteria on pine seedlings (Pinus pseudostrobus Lindl.)

Heredia-Acuña, Cristina; Almaraz-Suárez, Juan José; Arteaga-Garibay, Ramón Ignacio; Ferrera‐Cerrato, Ronald; Pineda-Mendoza, Deisy Y.

doi:10.1007/s11676-018-0723-5

Cited by 10 publications

(3 citation statements)

References 51 publications

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“…In another report, bacterium species belonging to genera Chryseobacterium was reported as a efficient solubilizer of P and reported to enhance the plant growth in horsegram in comparison with 100%, 50% and 30% recommended dose of N and P fertilizer ( Singh et al., 2013 ). Heredia-Acuña et al. (2019) reported P. gessardii from coniferous trees rhizosphere for exhibiting PGP trait of solubilizing P. This strain was concluded as beneficial microbe for the forest nursery production.…”

Section: Discussionmentioning

confidence: 89%

Microbial consortium with nitrogen fixing and mineral solubilizing attributes for growth of barley (Hordeum vulgare L.)

Kaur

Devi

Kumar

et al. 2022

Heliyon

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Section: Discussionmentioning

confidence: 89%

Microbial consortium with nitrogen fixing and mineral solubilizing attributes for growth of barley (Hordeum vulgare L.)

Kaur

Devi

Kumar

et al. 2022

Heliyon

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“…In a report, P. gessardii was reported for enhancing sunflower growth parameters and lead tolerance ability of plants (32). In another report, this particular bacterium was reported as phosphorus solubilizer (33). Many studies have also confirmed that PGPMs increase the growth parameters.…”

Section: Discussionmentioning

confidence: 96%

Plant growth promotion of barley (Hordeum vulgare L.) by potassium solubilizing bacteria with multifarious plant growth promoting attributes

et al. 2021

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Potassium (K) is the foremost macronutrients for growth of plant, soil health and fertility. The huge application of NPK chemical fertilizers negatively impacts the economy and is a threat to environmental sustainability. The rapid depletion of K mineral in soil is due to the application of agrochemicals agricultural fields for the production of crops in India. In present investigation, K-solubilizing microbes (KSM) were isolated and enumerated from cereal crops growing in Sirmour Himachal Pradesh. A total 125 bacteria were isolated and screened for K- solubilization on Aleksandrov agar plates and found that 31 bacterial strains exhibited K-solubilization. These 31 K-solubilizing strains of bacteria were additionally screened for other plant growth promoting (PGP) potential including solubilization of minerals, production of siderophores, ammonia, hydrogen cyanide and indole acetic acids. The performance of an efficient K-solubilizer was evaluated for plant growth promoting ability in pot assay under in vitro conditions. The strain EU-LWNA-25 positively influenced shoot length, fresh weight, carotenoids and total sugar content than the full dose, half dose and control. The strain enhancing physiological and growth parameters was identified by BLASTn analysis as Pseudomonas gessardii EU-LWNA-25. K-solubilizing plant growth promoting bacteria could be suitable bioinoculants for Rabi seasonal crops and overcomes the challenges of sustainable agriculture in K-deficient soil.

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“…It was only later that researchers discovered that the lack of certain microorganisms on the seed surface may negatively affect seed germination and be detrimental to plant growth and development (Cardoso et al, 2011). Subsequent studies have found that rhizosphere microorganisms influence conifers in every way (Garcìa et al, 2004;Heredia-Acuña et al, 2018). For example, they influence the root length via hormones (Bent et al, 2001), shoot height and dry mass via phosphate solubilization (Singh et al, 2008), and growth via synergy or antagonism (Rojas et al, 2001).…”

Section: Discussionmentioning

confidence: 99%

Comparison of the diversity and structure of the rhizosphere microbial community between the straight and twisted trunk types of Pinus yunnanensis

Gan

et al. 2023

Front. Microbiol.

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BackgroundPinus yunnanensis is a major silvicultural species in Southwest China. Currently, large areas of twisted-trunk Pinus yunnanensis stands severely restrict its productivity. Different categories of rhizosphere microbes evolve alongside plants and environments and play an important role in the growth and ecological fitness of their host plant. However, the diversity and structure of the rhizosphere microbial communities between P. yunnanensis with two different trunk types—straight and twisted—remain unclear.MethodsWe collected the rhizosphere soil of 5 trees with the straight and 5 trees with the twisted trunk type in each of three sites in Yunnan province. We assessed and compared the diversity and structure of the rhizosphere microbial communities between P. yunnanensis with two different trunk types by Illumina sequencing of 16S rRNA genes and internal transcribed spacer (ITS) regions.ResultsThe available phosphorus in soil differed significantly between P. yunnanensis with straight and twisted trunks. Available potassium had a significant effect on fungi. Chloroflexi dominated the rhizosphere soils of the straight trunk type, while Proteobacteria was predominant in the rhizosphere soils of the twisted trunk type. Trunk types significantly explained 6.79% of the variance in bacterial communities.ConclusionThis study revealed the composition and diversity of bacterial and fungal groups in the rhizosphere soil of P. yunnanensis with straight and twisted trunk types, providing proper microbial information for different plant phenotypes.

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Isolation, characterization and effect of plant-growth-promoting rhizobacteria on pine seedlings (Pinus pseudostrobus Lindl.)

Cited by 10 publications

References 51 publications

Microbial consortium with nitrogen fixing and mineral solubilizing attributes for growth of barley (Hordeum vulgare L.)

Microbial consortium with nitrogen fixing and mineral solubilizing attributes for growth of barley (Hordeum vulgare L.)

Plant growth promotion of barley (Hordeum vulgare L.) by potassium solubilizing bacteria with multifarious plant growth promoting attributes

Comparison of the diversity and structure of the rhizosphere microbial community between the straight and twisted trunk types of Pinus yunnanensis

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