Evaluation of Bioagents against the Infection of Green Mould (Trichoderma spp.) in Pleurotus sajor-caju Cultivation

Shah, Shaiesta; Nasreen, Sahera

doi:10.3923/ijpp.2011.81.88

Cited by 9 publications

(7 citation statements)

References 3 publications

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“…However, in the present study, Gram-negative bacterial isolates MSG-11 (S. maltophilia) and MSG-15 (Pseudomonas rhodesiae) also caused yield increases up to 38.73 and 28.93%, respectively, in the treated plots in compost experiment. Similarly, Shah and Nasreen (2011) stated that Gram-negative bacterium (P. fluorescens) caused 23.1% yield increase by suppressing Trichoderma species in oyster mushroom (Pleurotus ostreatus) cultivation. Considering all of these, it may be inferred that mushroom yield may not be directly related to dominance of either Gram-positive or Gram-negative bacteria in compost.…”

Section: Discussionmentioning

confidence: 99%

In vitro and in vivo biological control of the green mold using different bacteria in button mushroom cultivation

Aydoğdu¹,

Sülü²,

Kurbetli³

et al. 2021

Egypt J Biol Pest Control

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Background Aggressive biotype (Trichoderma aggressivum f. aggressivum) of green mold is one of the main biotic factors limiting button mushroom (Agaricus bisporus) cultivation. Due to issues such as fungicide resistance, cost, and adverse effects, biological control seems to be an applicable management method against the green mold in button mushroom cultivation. Results The objective of the study was to assess biological control of green mold in button mushroom cultivation. Five native bacterial isolates from mushroom compost and 3 commercial biological preparations were tested against two isolates of T. aggressivum f. aggressivum. Dual culture tests were used in vitro experiments. In vivo, compost and casing soil experiments were conducted by comparing yield values of treated plots with negative and positive controls. In vitro, the bacterial isolates inhibited mycelial growth of isolates of T. aggressivum f. aggressivum and A. bisporus up to 46.60 and 56.94%, respectively. In vivo, in the compost experiment, compared with positive control plots, bacterial isolate MSG-5 (Bacillus subtilis) caused the highest yield increase (40.56%) in the treatments. In the casing soil experiment, commercial biological preparation Tic-3 (Ampelomyces quisqualis) caused the highest yield increase (36.15%) in the treated plots. Compared with positive and negative controls, all the treatments caused 30.23% increase but 4.86% decrease in yield of A. bisporus in the compost experiment, respectively. However, they caused 20.25% increase but 17.33% decrease in the yield of A. bisporus in the casing soil experiment, respectively. Conclusions Results suggested that biological control of the green mold in compost can be more efficient than casing soil in button mushroom cultivation.

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Section: Discussionmentioning

confidence: 99%

In vitro and in vivo biological control of the green mold using different bacteria in button mushroom cultivation

Aydoğdu¹,

Sülü²,

Kurbetli³

et al. 2021

Egypt J Biol Pest Control

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“…Furthermore, an evaluation of biocontrol agents against three Trichoderma species (T. harzianum, T. viride and T. pseudokoningii) occurring in P. sajor-caju cultivation showed that the best percentage of inhibition was produced by three Bacillus spp. (35.1%-51.1%) (Shah & Nasreen, 2011). The bacterial strain CNU LI-1 and a range of Bacillus spp.…”

Section: Discussionmentioning

confidence: 99%

The activity of native Bacillus subtilis strains in control of green mould disease of oyster mushroom (Pleurotus spp.)

et al. 2019

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The study aimed to isolate potential biocontrol agents from mushroom substrate that could serve as an alternative to toxic chemicals commonly used for disease control in mushroom production. The antagonistic potential of ten native Bacillus subtilis strains against the causal agents of green mould disease of oyster mushroom, Trichoderma pleuroti and Trichoderma pleuroticola, was evaluated. The antagonistic potential of Bacillus spp. strains was quantified in vitro based on dual cultivation with the pathogen. Growth inhibition of T. pleuroti ranged from 54.44% to 62.22% and no significant differences in antagonistic activity were found between the tested B. subtilis strains. Inhibition of T. pleuroticola was slightly higher, ranging from 55.56% to 69.62% and B. subtilis strain B-358 induced the highest growth inhibition. This research confirmed mushroom substrate to be a good source of antagonistic microorganisms with potentials for use in biological control of green mould in oyster mushroom production.

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“…against Trichoderma harzianum in Pleurotus spp. cultivation (Chittihunsa et al, 2007;Velazquez-Cedeno et al, 2008;Kim et al, 2008;Shah and Nasreen, 2011). Savoie et al (2001) suggested that the capacity of T. harzianum to colonize mushroom compost was due to its resistance or tolerance to the inhibitory effect of the microorganisms present in the compost.…”

Section: Antifungal Activity Of the Partially Purified Metabolite Of mentioning

confidence: 99%

Halotolerant Bacillus Sp. As a Source of Antifungal Agents Against Major Mushroom Pathogens

Fernandes¹,

Kerkar²

2019

J microb biotech food sci

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The present study focuses on bioprospecting of halotolerant bacteria from a hypersaline environment for antifungal agents against major mushroom pathogens. A total of 20 morphologically different fungi were isolated from composts and infected fruiting bodies of Agaricus bisporus; belonging to the genera Trichoderma, Penicillium, Aspergillus, Mucor and Rhizopus. In addition, 131 halotolerant bacteria out of 280 exhibited antifungal activity against phytopathogens, Trichoderma sp., and Penicillium sp. The isolates (80) showing maximum and consistent activity were screened against the isolated mushroom pathogens, Trichoderma harzianum MTCC 3178 and Lecanicillium fungicola MTCC 2016. About 33.8% halotolerant bacteria produced an antifungal metabolite that inhibited the mycelial growth of Trichoderma harzianum MTCC 3178, 20% inhibited mycelium growth of Lecanicillium fungicola MTCC 2016, 48.8% other Trichoderma spp., 26.3% Penicillium spp. and 2.5% inhibited Aspergillus spp. The bacterial isolate BGUMS93 showed highest broad spectrum activity against these pathogens. Carbohydrate utilization profile, biochemical characteristics and 16S rRNA gene sequencing revealed BGUMS93 as Bacillus sp. (KC991034.1) with 97% similarity to Bacillus subtilis. BGUMS93 produced extracellular antifungal metabolites in butanol extract showing maximum activity against Trichoderma harzianum MTCC 3178 and in chloroform extract against Lecanicillium fungicola MTCC 2016. Thus, Bacillus spp. from Goa’s salterns could be a way to provide natural fungicide as an alternative to synthetic fungicides used in mushroom cultivation.

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Evaluation of Bioagents against the Infection of Green Mould (Trichoderma spp.) in Pleurotus sajor-caju Cultivation

Cited by 9 publications

References 3 publications

In vitro and in vivo biological control of the green mold using different bacteria in button mushroom cultivation

In vitro and in vivo biological control of the green mold using different bacteria in button mushroom cultivation

The activity of native Bacillus subtilis strains in control of green mould disease of oyster mushroom (Pleurotus spp.)

Halotolerant Bacillus Sp. As a Source of Antifungal Agents Against Major Mushroom Pathogens

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