The effect of a mixture of two plant growth-promoting bacteria from Argentina on the yield of potato, and occurrence of primary potato diseases and pest – short communication

Trdan, S.; Vučajnk, F.; Bohinc, Tanja; Vidrih, M.

doi:10.1080/09064710.2018.1492628

Cited by 19 publications

(16 citation statements)

References 22 publications

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“…Moreover, no difference between the inoculated plants with both bacteria showed that either bacterium could increase dry weight, height, and leaf number under salinity. The reports showed in inoculated plants with bacteria, root length and nutrient absorption such as phosphor, potassium, and nitrogen (Babalola 2010), synthesis of auxins, cytokinins, and gibberellins (Glick et al 2007), growth rate, and dry mass production were higher than noninoculated plant under stress and control conditions (Gupta et al 2015;Xiao et al 2018;Liu et al 2019;Trdan et al 2019). Liu et al (2019) and Xiao et al (2018) suggested that inoculation with rhizomicrobiome increased significantly plant growth in alfalfa plants and also plant biomass was affected by the composition of the rhizomicrobiome, soil pH, N, P, and plant growth stage and species.…”

Section: Discussionmentioning

confidence: 99%

“…Also, Liu et al (2019) showed that shoot height, fresh and dry weights, yield, crude protein, and antioxidant enzyme activity of alfalfa-inoculated plants were higher than non-inoculated plants, but ethylene content was lower in inoculated plants. Trdan et al (2019) reported that mixture of two PGPB (Pseudomonas fluorescens and Azospirillum brasilense) increased the potato yield 17-31% under dry conditions. Also, investigating data and literature suggested that the reducing effect of salinity on growth aspects of inoculated plants at high salinity was related to root number reduction, root hair deformation (Gopalakrishnan et al 2015), K + ion depletion, carbohydrate composition alteration of bacterial cell surface, bacterial mobility inhibition (Paul and Lade 2014), nodule functions suppress, and photosynthesis rate decrease (Wang et al 2016).…”

Section: Discussionmentioning

confidence: 99%

“…Two main strategies to overcome salinity stress include (i) technological strategy which is expensive; (ii) biological strategy which is economically feasible (Ashraf and Foolad 2013). One biological method for decreasing deleterious effects of salinity is application of plant growth-promoting bacteria (PGPB) (Bacilio et al 2004;Shrivastava and Kumar 2015;Trdan et al 2019). Alleviation of salt stress by PGPB has been reported in alfalfa (Noori et al 2018;Wang et al 2016), legume (Zahran 1999), barley (Suarez et al 2015 okra (Habib et al 2016), lettuce (Han and Lee 2005), and pepper (Del Amor and Cuadra-Crespo 2012).…”

Section: Introductionmentioning

confidence: 99%

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Salt-tolerant plant growth-promoting bacteria enhanced salinity tolerance of salt-tolerant alfalfa (Medicago sativa L.) cultivars at high salinity

et al. 2019

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Alfalfa (Medicago sativa L.) plant growth decreases when cultivated under salinity or irrigated with salty water. Inoculation with plant growth-promoting bacteria (PGPB) is a method for mitigating the harmful effects of salinity on plants growth. To investigate salt-tolerant PGPB with salt-tolerant and salt-sensitive alfalfa cultivar interactions under salinity, some physiological and agronomical aspects were investigated. The inoculated plants of alfalfa cultivars with Hartmannibacter. diazotrophicus and Pseudomonas sp. bacteria were compared with non-inoculated plants. Plants were grown in growth room and irrigated with tap water until 6-7 weeks, and then, salinity stress imposed by irrigating with tap water (control), 10 dS m −1 and 20 dS m −1 NaCl. Salinity reduced relative water content (RWC), membrane stability index (MSI), K + , photosynthesis rate (Pn) and stomatal conductance (gs), leaf number, height, and dry weight, and increased sodium in all cultivars. Inoculation of cultivars with both PGPB mitigated the negative effects of salinity on plants growth by increasing the root length and weight, nodule number, chlorophyll pigments, RWC, MSI, Pn, and gs. Chlorophyll pigments, plant height and leaf number, Na + , K + /Na + , and nodule number improved more pronounced through inoculating with Pseudomonas sp., whereas K + , carotenoids, and RWC improved more pronounced through H. diazotrophicus under salinity. The results showed inoculation with two bacteria improved growth performance in salt-tolerant and salt-sensitive cultivars under 10 dS m −1 , but at high salinity (20 dS m −1), inoculation was successful only in salt-tolerant alfalfa cultivars.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Salt-tolerant plant growth-promoting bacteria enhanced salinity tolerance of salt-tolerant alfalfa (Medicago sativa L.) cultivars at high salinity

et al. 2019

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“…Having identified the bacterial strain with the high phosphate solubilization (PSB), we hypothesize that the addition of PSB promotes potato plant-growth when cultured under in vitro conditions. This last part has not yet been studied, which is considered a critical methodological step before applying it in the field conditions to ensure proper implementation, as reported by Trdan et al (2019 ).…”

Section: Introductionmentioning

confidence: 99%

Isolated Phosphate-Solubilizing Soil Bacteria Promotes In vitro Growth of Solanum tuberosum L.

Yáñez-Ocampo

Mora‐Herrera

Paz-Osorio

et al. 2020

Polish Journal of Microbiology

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The capacity of four bacterial strains isolated from productive soil potato fields to solubilize tricalcium phosphate on Pikovskaya agar or in a liquid medium was evaluated. A bacterial strain was selected to evaluate in vitro capacity of plant-growth promotion on Solanum tuberosum L. culture. Bacterial strain A3 showed the highest value of phosphate solubilization, reaching a 20 mm-diameter halo and a concentration of 350 mg/l on agar and in a liquid medium, respectively. Bacterial strain A3 was identified by 16S rDNA analysis as Bacillus pumilus with 98% identity; therefore, it is the first report for Bacillus pumilus as phosphate solubilizer. Plant-growth promotion assayed by in vitro culture of potato microplants showed that the addition of bacterial strain A3 increased root and stems length after 28 days. It significantly increased stem length by 79.3%, and duplicated the fresh weight of control microplants. In this paper, results reported regarding phosphorus solubilization and growth promotion under in vitro conditions represent a step forward in the use of innocuous bacterial strain biofertilizer on potato field cultures.

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“…Poskus je bil izveden tekom vročega in zelo sušnega poletja, kljub temu je bil vpliv mešanice na pridelek vseh treh sort krompirja pozitiven (17 %-31 %). Rezultati njihove raziskave dokazujejo, da ima tovrstna bakterijska mešanica pozitiven vpliv na pridelek krompirja v sušnih razmerah in pri majhni okužbi s foliarnimi glivičnimi boleznimi ter napadi listnih žuželk (Trdan et al, 2019).…”

Section: Vpliv Mikroorganizmov Na Rast Rastlinunclassified

Impact of beneficial soil microorganisms and endophytes on plant defense against insects

Jagodič¹,

Likar

2019

AAS

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Soil borne microorganisms such as mycorrhizal fungi and plant growth-promoting rhizobacteria help plants to overcome abiotic and biotic stress. Mechanisms used in this situtations are: growth promotion and induced resistance. Beneficial soil microorganisms also interact with foliar insects (herbivores, natural enemies and pollinators). This kind of interactions are getting more and more important in different ecosystems, especially in agriculture. A better knowledege of these systems would certainly help to deepen the understanding of multitrophic interactions.

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The effect of a mixture of two plant growth-promoting bacteria from Argentina on the yield of potato, and occurrence of primary potato diseases and pest – short communication

Cited by 19 publications

References 22 publications

Salt-tolerant plant growth-promoting bacteria enhanced salinity tolerance of salt-tolerant alfalfa (Medicago sativa L.) cultivars at high salinity

Salt-tolerant plant growth-promoting bacteria enhanced salinity tolerance of salt-tolerant alfalfa (Medicago sativa L.) cultivars at high salinity

Isolated Phosphate-Solubilizing Soil Bacteria Promotes In vitro Growth of Solanum tuberosum L.

Impact of beneficial soil microorganisms and endophytes on plant defense against insects

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