Dual Trichoderma consortium mediated elevation of systemic defense response against early blight in potato

Chandra, Ram; Behera, Lopamudra; Keswani, Chetan; Sansinenea, Estibaliz

doi:10.1007/s10658-021-02431-4

Cited by 21 publications

(10 citation statements)

References 46 publications

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“…Trichoderma spp. are soil-borne and belongs to the genus of filamentous fungi, which can employ both direct and indirect biocontrol mechanisms, including biosynthesis of antimicrobial compounds, competition for nutrients and space, and induction of systemic resistance [ [33] , [34] , [35] , [36] ]. Trichoderma spp.…”

Section: Introductionmentioning

confidence: 99%

Microbial consortium mediated acceleration of the defense response in potato against Alternaria solani through prodigious inflation in phenylpropanoid derivatives and redox homeostasis

Kumar,

Chandra,

Behera

et al. 2023

Heliyon

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Section: Introductionmentioning

confidence: 99%

Microbial consortium mediated acceleration of the defense response in potato against Alternaria solani through prodigious inflation in phenylpropanoid derivatives and redox homeostasis

Kumar,

Chandra,

Behera

et al. 2023

Heliyon

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“…A study by Kumar et al. documented that the application of T. harzianum and T. viride increased the induction of defense enzymes, including total phenol and PAL, after 48 h of inoculation against early blight infection ( Kumar et al., 2022 ). Various studies reported a significant increase in PAL activity in tomato plants after inoculation with the suspension of Trichoderma species ( Kashyap et al., 2020 ; Tripathi et al., 2021 ; Kumar et al., 2022 ), which confers the positive impact of Trichoderma species on plants, and these results strongly support our findings.…”

Section: Discussionmentioning

confidence: 99%

Use of Trichoderma culture filtrates as a sustainable approach to mitigate early blight disease of tomato and their influence on plant biomarkers and antioxidants production

et al. 2023

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IntroductionAlternaria solani is a challenging pathogen in the tomato crop globally. Chemical control is a rapid approach, but emerging fungicide resistance has become a severe threat. The present study investigates the use of culture filtrates (CFs) of three species of Trichoderma spp. to control this disease.MethodsHighly virulent A. solani strain and three Trichoderma fungal strains viz., T. harzianum (Accession No: MW590687), T. atroviride (Accession No: MW590689) and T. longibrachiatum (Accession No: MW590688) previously isolated by authors were used in this study. The efficacy of culture filtrates (CFs) to mitigate early blight disease were tested under greenhouse and field conditions, experiments were conducted in different seasons of 2020 using a tomato variety “doucen”.Results and discussionThe CFs of T. harzianum, T. longibrachiatum, and T. atroviride significantly inhibited the in vitro mycelial growth of A. solani (62.5%, 48.73%, and 57.82%, respectively, followed by control 100%). In the GC–MS analysis of Trichoderma CF volatile compounds viz., harzianic acid (61.86%) in T. harzianum, linoleic acid (70.02%) in T. atroviride, and hydroxymethylfurfural (68.08%) in the CFs of T. longibrachiatum, were abundantly present. Foliar application of CFs in the greenhouse considerably reduced the disease severity (%) in all treatments, viz., T. harzianum (18.03%), T. longibrachiatum (31.91%), and T. atroviride (23.33%), followed by infected control (86.91%), and positively affected the plant biomarkers. In the greenhouse, the plants treated with CFs demonstrated higher flavonoids after 6 days of inoculation, whereas phenolic compounds increased after 2 days. The CF-treated plants demonstrated higher antioxidant enzymes, i.e., phenylalanine ammonia-lyase (PAL) and peroxidase (POD), after 4 days, whereas polyphenol oxidase (PPO) was higher after 6 days of inoculation, followed by healthy and infected controls. In open field conditions, disease severity in CF-treated plants was reduced in both seasons as compared to naturally infected plants, whereas CF-treated plants exhibited a higher fruit yield than controls. The present results conclude that CFs can be a potential biocontrol candidate and a promising alternative to the early blight pathogen for sustainable production.

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“…Most plant phenols, or secondary metabolites are generated in larger quantities and function as phytoalexins, nematicides, and phytoanticipins aimed at soil pathogens and insects, which are phytophagous ( Chitara et al., 2020 ; Kumar et al., 2021 ; Singh et al., 2021 ; Tripathi et al., 2021 ). Plants manufacture phytoalexins such as hydroxycinnamate conjugates and hydroxycoumarins to protect themselves from a variety of disease-causing pathogens.…”

Section: Impacts Of Environmental Stressesmentioning

confidence: 99%

Reinforcing the bulwark: unravelling the efficient applications of plant phenolics and tannins against environmental stresses

Dehghanian

Habibi

Dehghanian

et al. 2022

Heliyon

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Dual Trichoderma consortium mediated elevation of systemic defense response against early blight in potato

Cited by 21 publications

References 46 publications

Microbial consortium mediated acceleration of the defense response in potato against Alternaria solani through prodigious inflation in phenylpropanoid derivatives and redox homeostasis

Microbial consortium mediated acceleration of the defense response in potato against Alternaria solani through prodigious inflation in phenylpropanoid derivatives and redox homeostasis

Use of Trichoderma culture filtrates as a sustainable approach to mitigate early blight disease of tomato and their influence on plant biomarkers and antioxidants production

Reinforcing the bulwark: unravelling the efficient applications of plant phenolics and tannins against environmental stresses

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