Management of strawberry grey mould using mixtures of biocontrol agents with different mechanisms of action

Robinson‐Boyer, Louisa; Jeger, Michael; Xu, Xiangming; Jeffries, Peter

doi:10.1080/09583150903289105

Cited by 28 publications

(25 citation statements)

References 16 publications

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“…Robinson-Boyer et al [11] reported that the combinations of commercially available biological control agents (BCAs) can provide effective control to B. cinerea on detached strawberry leaves. They further elaborated that using Trichoderma atroviride (LC52) and Trichoderma harzianum (T22) were very effective either alone or in sequential combination with other BCAs.…”

Section: Discussionmentioning

confidence: 99%

“…Biological control using the well-known biocontrol agent Trichoderma harzianum against gray mould was intensively used as alternative [9]. Several investigators reported that Trichoderma isolates were effective in controlling anthracnose and grey mould in strawberry, under laboratory and greenhouse conditions [10] [11] [12] [13]. In addition, the bacterium Paenibacillus polymyxa (Isolate 18191), obtained from mature strawberry fruit, had shown antagonistic potential against B. cinerea, and reduced disease severity by reducing germination and germ tube growth [14].…”

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confidence: 99%

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Effect of Trichoderma harzianum in Combination with Fungicides in Controlling Gray Mould Disease (Botrytis cinerea) of Strawberry

Barakat¹,

Al-Masri²

2017

AJPS

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The effects of biofungicide formula containing the biocontrol agent Trichoderma harzianum (Jn14) as wettable powder in combination with the fungicides pyrimethanil and a mixture of cyprodinil and flydioxonil on Botrytis cinerea of strawberry in vitro, in vivo and in greenhouse were studied. The pathogen B. cinerea was more affected in vitro by low concentrations of the fungicides tested above 0.4 µg ml −1 than the bioagent T. harzianum (Jn14). The later was almost insensitive to pyrimethanil. In the same direction, gray mould disease severity on strawberry detached leaves and whole plants was reduced up to 89% by the tested fungicides, compared to the control, while the application of T. harzianum (Jn14) alone reduced disease severity up to 45% on strawberry detached leaves, compared to the control. In the integrated control approach, the combination of T. harzianum (Jn14) with higher concentrations of the tested fungicides (ED 50 ) completely inhibited strawberry gray mould disease severity in pots and the greenhouse.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Effect of Trichoderma harzianum in Combination with Fungicides in Controlling Gray Mould Disease (Botrytis cinerea) of Strawberry

Barakat¹,

Al-Masri²

2017

AJPS

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“…It was hypothesized that compensatory effects occur if different BCAs have distinct requirements for environmental conditions (Guetsky et al 2001) and/or different modes of action (Guetsky et al 2002a, b). However, impaired biocontrol of B. cinerea in strawberries after simultaneous application of incompatible BCAs has also been reported (Robinson-Boyer et al 2009;Xu et al 2010).…”

Section: Introductionmentioning

confidence: 96%

Control of Botrytis cinerea in strawberries by biological control agents applied as single or combined treatments

et al. 2015

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There is little knowledge about the effects of simultaneously applied biological control agents (BCAs) on the incidence of grey mould (Botrytis cinerea) in strawberries under field conditions. Our objective was, therefore, to investigate the use of three BCAs (Bacillus amyloliquefaciens FZB42, Aureobasidium pullulans DSM 14940 and DSM 14941 and Beauveria bassiana ATCC 74040) with respect to their efficacy against B. cinerea in field grown strawberries following single compared to combined application. In two subsequent years (2011 and 2012), improved control of B. cinerea resulted from combined BCA treatments, whereas the single BCAs were not efficient. Efficient combinations of BCA treatments were not the same in 2011 and 2012, however. The development of B. cinerea was reduced by single treatments of B. amyloliquefaciens and A. pullulans as well as by most combined BCA treatments during storage for one of two fruit samples in 2011. In 2012, however, no effects on B. cinerea during storage resulted from BCA treatments. The results of the present study suggest that the use of combined BCA treatments only cannot overcome inconsistent efficacies of BCAs against strawberry grey mould under field conditions. Further investigations on the interactions between the BCAs in combined BCA treatments as well as between the BCAs and the pathogen in dependence on multiple factors prevailing in the phyllosphere, however, need to be included to tailor combined BCA treatments with constant efficacies in different years.

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“…Asimismo, es tema de interés, el estudio de antagonistas autóctonos, pues el principal problema en la efectividad de biocontrol de patógenos, es la introducción de organismos no nativos en los ecosistemas, ya que no se encuentran adaptados a las condiciones ambientales donde se van a aplicar [25], señalándose que el empleo de cepas comerciales pudiera generar competencia o inhibición contra los organismos, o simplemente no prosperar su propagación dentro de la microbiota del suelo [26].…”

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Morphology and Biochemistry of Microbial Antagonists and Their Effect in the Growth of Garbanzo and Control of Fusariosis

Ortiz¹,

Alcaraz²,

Perez³

et al. 2016

OALib

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The chickpea (Cicer arietinum L.) is an important crop in the world. In this study, six strains of indigenous rhizosphere microorganisms (T442, T3241, 7A1, 751, HRG-050 y HRG-060) were characterized morphologically and biochemically through catalogs and API tests, and evaluated as growth promoters and biocontrol agents of F. oxysporum f. sp. ciceris (Foc), causal agent of Fusarium wilt of chickpea under laboratory and field conditions. Preliminary studies were performed in vitro, evaluating antagonism by PICR of Foc, in Petri dishes with PDA culture medium; the stimulation of germination was evaluated by seed inoculation with the same strains. In the field, chickpea seeds were inoculated with said antagonistic strains at a concentration of 1 × 10 8 ufc or conidia mL −1, establishing eight treatments: six based on the inoculation of seed with each antagonist strain, a chemical treatment (Benomyl) and a witness, in block design randomized complete, evaluating the protective effect and stimulatory in chickpea plants. The strains were characterized as Bacillus subtilis, Agrobacterium radiobacter, Pseudomonas sp., Trichoderma sp., and Bacillus megaterium, the latter with low percentage of identification. HRG-060 (Trichoderma sp.) and T442 (Bacillus subtilis) proved to be the best biocontrol agents in laboratory and field, as well as higher growth promoters, as significantly reduced growth of the pathogen and the incidence of the disease in the field, and increased the germination, greenness, biomass and yield of chickpea. The use of strains HRG-060 y T442 to control Fusarium wilt of chickpea may be possible in the conditions that have the central area of Sinaloa.

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Management of strawberry grey mould using mixtures of biocontrol agents with different mechanisms of action

Cited by 28 publications

References 16 publications

Effect of <i>Trichoderma harzianum</i> in Combination with Fungicides in Controlling Gray Mould Disease (<i>Botrytis cinerea</i>) of Strawberry

Effect of <i>Trichoderma harzianum</i> in Combination with Fungicides in Controlling Gray Mould Disease (<i>Botrytis cinerea</i>) of Strawberry

Control of Botrytis cinerea in strawberries by biological control agents applied as single or combined treatments

Morphology and Biochemistry of Microbial Antagonists and Their Effect in the Growth of Garbanzo and Control of Fusariosis

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Management of strawberry grey mould using mixtures of biocontrol agents with different mechanisms of action

Cited by 28 publications

References 16 publications

Effect of &lt;i&gt;Trichoderma harzianum&lt;/i&gt; in Combination with Fungicides in Controlling Gray Mould Disease (&lt;i&gt;Botrytis cinerea&lt;/i&gt;) of Strawberry

Effect of &lt;i&gt;Trichoderma harzianum&lt;/i&gt; in Combination with Fungicides in Controlling Gray Mould Disease (&lt;i&gt;Botrytis cinerea&lt;/i&gt;) of Strawberry

Control of Botrytis cinerea in strawberries by biological control agents applied as single or combined treatments

Morphology and Biochemistry of Microbial Antagonists and Their Effect in the Growth of Garbanzo and Control of Fusariosis

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Effect of <i>Trichoderma harzianum</i> in Combination with Fungicides in Controlling Gray Mould Disease (<i>Botrytis cinerea</i>) of Strawberry

Effect of <i>Trichoderma harzianum</i> in Combination with Fungicides in Controlling Gray Mould Disease (<i>Botrytis cinerea</i>) of Strawberry