Antagonistic Potential of Native Trichoderma viride Strain against Potent Tea Fungal Pathogens in North East India

Naglot, Ashok; Goswami, Sewali; Rahman, Imtiaz; Shrimali, D. D.; Yadav, Khushboo; Gupta, Vikas; Rabha, Aprana Jyoti; Gogoi, Hemanta Kumar; Veer, Vijay

doi:10.5423/ppj.oa.01.2015.0004

Cited by 72 publications

(31 citation statements)

References 43 publications

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“…In the present study, Trichoderma sp. showed antagonistic effect against F. solani which is in agreement with the study of Naglot et al [22] who showed that Trichoderma spp. inhibited F. solani.…”

Section: Discussionsupporting

confidence: 92%

In vitro antagonistic activity of a root endophytic fungus towards plant pathogenic fungi

Talapatra¹,

Das²,

Saha³

et al. 2017

J App Biol Biotech

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The biocontrol measures against pathogens are widely recognized as a step towards organic agriculture. In the present study, nine species of endophytic fungi and four plant pathogenic fungi were tested against antagonistic activity of a root endophyte, Trichoderma viride. Out of nine endophytic fungi, eight were inhibited. The inhibitory effect was maximum against Alternaria sp. and Pythium sp. The minimum zone was noticed against Nigrospora sp. after 14 days of incubation. It showed no inhibitory effect against an isolate of Aspergillus sp. and overgrew it after 9 days of incubation. T. viride showed antagonistic activity against all the four plant pathogenic fungi. The antagonistic zone was highest against Colletotrichum capsici and lowest was observed in Alternaria solani after 14 days of incubation. The study suggests the potential of an endophytic strain of fungus and it may be used in biocontrol programmes of plant diseases in the region.

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Section: Discussionsupporting

confidence: 92%

In vitro antagonistic activity of a root endophytic fungus towards plant pathogenic fungi

Talapatra¹,

Das²,

Saha³

et al. 2017

J App Biol Biotech

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“…Thus, the highest inhibition of 10-90% in the biomass of M. phaseolina was recorded due to cell-free culture filtrate (CFC) of T. harzianum, followed by 5-70% due to CFC of both T. viride and T. hamatum as compared to control (Table 1). Likewise, Naglot et al (2015) and Khaledi and Taheri (2016) reported inhibition in growth of M. phaseolina by different Trichoderma spp, whereas the difference in concentration of volatile substances (acetaldehyde, isocyanide derivatives, terpene, hydrazine, alcohols, lactones, etc.) and cell wall degrading enzymes (chitinase and glucanase) might be ascribed to dissimilar fungicidal activity of three Trichoderma spp.…”

Section: Laboratory Trialsmentioning

confidence: 98%

Anti-mycotic potential of Trichoderma spp. and leaf biomass of Azadirachta indica against the charcoal rot pathogen, Macrophomina phaseolina (Tassi) Goid in cowpea

Shoaib

Munir

Javaid

et al. 2018

Egypt J Biol Pest Control

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Macrophomina phaseolina (Tassi) Goid is a destructive pathogen of cowpea that causes serious charcoal rot disease with significant yield losses. Antifungal activity of three indigenous Ascomycetes viz., Trichoderma harzianum, T. viride, and T. hamatum, and two Meliaceae members, i.e., Melia azedarach L. and Azadirachta indica L. were assessed against the pathogen. Laboratory screening trials with cell-free culture filtrate showed the maximum reduction in growth of M. phaseolina with T. harzianum, followed by T. viride. Various concentrations (1-5%) of methanolic leaf extract of A. indica showed more reduction in fungal biomass than M. azedarach. Pot experiment was performed by T. harzianum, T. viride, and dry leaf biomass of A. indica against M. phaseolina. Results revealed that potted soil amended with T. harzianum in combination with 1-3% dry leaf biomass of A. indica held a significant potential to decrease disease incidence to 20-25% and improve plant growth attributes up to fourfolds over positive control inoculated with M. phaseolina only. Physiology of the host plant was altered due to the incorporation of various soil amendments resulting in reduced activities of antioxidant enzymes (catalase, peroxidase, polyphenol oxidase, and phenylalanine ammonia lyase). It was concluded that fungal antagonists and allelopathic chemicals would be an effective and eco-friendly means of managing the charcoal rot disease.

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“…The antagonic effects of the genus Trichoderma have been reported in several phytopathogens of economic importance (Woo et al, 2014) including Phytophthora infestans (Kerroum et al, 2015), Fusarium fujikuroi (Ng et al, 2015) (Naglot et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Identification and evaluation of secondary metabolites by gas chromatography-mass spectrometry (GC-MS) in native strains of Trichoderma species

Yuef¹,

Ariel²,

RodrÃguez-Herrera³

et al. 2018

Afr. J. Biotechnol.

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Trichoderma species is a heterotrophic saprobion organism, which competes with other microorganisms, preventing them from developing. This fungus has mechanisms of action, among which are: production of antibiotics and metabolites, and hyperparasitism, which also promotes the induction of systemic resistance in plants. In this study, five native Trichoderma strains which were collected from agricultural land in Tamaulipas, Mexico were evaluated. The objective of this research was to identify the secondary metabolites produced by native strains of Trichoderma spp. under in vitro conditions and evaluation of the effect of these compounds on the growth of the pathogen Fusarium oxysporum and the germination of tomato seeds (Solanum esculentum). The production of Trichoderma's metabolites was performed by culturing in 150 ml of potato broth supplemented with sucrose (5%) and yeast extract (5%). Inoculation was performed by the addition of a 4 mm disk of active mycelium and allowed to grow at 25C ± 2°C and 12 h light/dark on a rotary shaker at 150 rpm for three weeks. Subsequently, the extraction of metabolites was performed using liquid: liquid phase which consisted of the filtrate and methylene chloride in a ratio of 1:3, and then the organic phase was recovered. The organic fraction was evaporated at 40°C with the aid of a rotary evaporator (Buchi®); the sample was recovered in 1 ml of methylene chloride. Analysis by GC-MS indicates that Trichoderma isolates produced 41 secondary metabolites of volatile and semi-volatile molecules and was observed, such that the number of compounds varies from the species analyzed and the collection site. The evaluation of the antagonistic activity of the extracts of Trichoderma spp. on F. oxysporum showed no significant differences between treatments (P=0.05); however, it was observed that pigmentation decreased in the mycelium of the pathogen. Regarding the evaluation of the effect of the extracts on the seeds of tomato, it was observed that the compounds of Trichoderma asperellum (TV1) induced the germination and the development of the seedling.

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Antagonistic Potential of Native Trichoderma viride Strain against Potent Tea Fungal Pathogens in North East India

Cited by 72 publications

References 43 publications

In vitro antagonistic activity of a root endophytic fungus towards plant pathogenic fungi

In vitro antagonistic activity of a root endophytic fungus towards plant pathogenic fungi

Anti-mycotic potential of Trichoderma spp. and leaf biomass of Azadirachta indica against the charcoal rot pathogen, Macrophomina phaseolina (Tassi) Goid in cowpea

Identification and evaluation of secondary metabolites by gas chromatography-mass spectrometry (GC-MS) in native strains of Trichoderma species

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