Ability of Pythium oligandrum strains to protect Vitis vinifera L., by inducing plant resistance against Phaeomoniella chlamydospora, a pathogen involved in Esca, a grapevine trunk disease

Yacoub, Amira; Gerbore, Jonathan; Magnin, Noël; Chambon, Pascal; Dufour, Marie‐Cécile; Corio‐Costet, Marie‐France; Guyoneaud, Rémy; Rey, Patrice

doi:10.1016/j.biocontrol.2015.08.005

Cited by 70 publications

(77 citation statements)

References 36 publications

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“…P. oligandrum was first described as a root lesion isolate from plants infected with a primary fungal infection (25). Subsequently the antifungal effects of P. oligandrum have been recognised and potential applications have been suggested in the forestry, agricultural, food and pharmaceutical industries (11,26,27). The results Starter culture added at the beginning of germination.…”

Section: Discussionmentioning

confidence: 99%

Suppression of fungal contamination byPythium oligandrumduring malting of barley

et al. 2018

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Fungal contamination of malting barley can contribute mycotoxins and potentially compromise beer quality. Several physical, chemical and biological treatments during the malting process have been developed to decrease fungal contamination. Anti‐fungal treatments using microorganisms are desirable because they typically exhibit environmental sensitivity and sustainability, but their efficiency can be affected by the complexity of microbial interactions, as well as by undesirable side effects. We therefore sought a more effective bio‐fungicide that is applicable in the malting process. This work describes the application of RT‐PCR to quantify the anti‐fungal potential of oomycetes Pythium oligandrum on barley naturally or artificially contaminated with three Fusarium species. The suppression of fungal contamination by P. oligandrum during malting was statistically more effective than by Geotrichum candidum, with the exception of barley artificially contaminated with Fusarium oxysporum. For P. oligandrum, addition into the third steeping water was significantly more effective than application at the beginning of germination. © 2018 The Institute of Brewing & Distilling

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Section: Discussionmentioning

confidence: 99%

Suppression of fungal contamination byPythium oligandrumduring malting of barley

et al. 2018

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“…Soil drenching with an oospore suspension has shown to be effective in either direct or indirect control of A. cochlioides, V. dahlia, B. cinerea, Phaeomoniella chlamydospora and Ralstonia solanacearum (Al-Rawahi and Hancock, 1998;Floch et al, 2009;Takenaka and Ishikawa, 2013;Takenaka et al, 2008;Yacoub et al, 2016), this could be soil medium dependent. According to Holmes et al (1998) drenching of mycelial suspension of P.…”

Section: Discussionmentioning

confidence: 99%

“…Regardless of application methods, activity and interaction of P. oligandrum against target species appeared dependent on environmental factors such as temperature, matric potential, pH (Al-Rawahi and Hancock, 1998;Holmes et al, 1998) and native microbial communities 2009). To some extent, soil and root colonisations by P. oligandrum are also influenced by soil management and plant physiology (Gerbore et al, 2014b;Yacoub et al, 2016). Therefore, it would be interesting for future studies on biotic and abiotic factors to expand on the understanding about colonisations and establishment of P. oligandrum on ginger and adjacent rhizophere.…”

Section: Discussionmentioning

confidence: 99%

“…One possible reason for this failure may be poor colonisation of P. oligandrum in the potting mix. To some extent, soil and root colonisation by P. oligandrum are influenced by soil management and plant physiology (Gerbore et al, 2014b;Yacoub et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

“…and Aphanomyces cochlioides (Abdelzaher et al, 1997;Benhamou et al, 1999;Horner et al, 2012;McQuilken et al, 1990;Ribeiro and Butler, 1995;Takenaka and Ishikawa, 2013). In addition, P. oligandrum has been reported to have the capability of induce disease resistance and promote plant growth of many crops in both in vitro and in vivo studies Brozova, 2002;Gerbore et al, 2014a;Takenaka et al, 2008;Yacoub et al, 2016). These three-way interaction between P. oligandrum, pathogens and hosts resulting in disease suppressions were believed to be unique for this BCA (Lévesque, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Characterization of species associated with Pythium soft rot of ginger and evaluation of Pythium Oligandrum as a biocontrol

Le¹

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Field evaluation of biocontrol agents against black‐foot and Petri diseases of grapevine

Martínez-Diz

Losada

Andrés-Sodupe

et al. 2020

Pest Management Science

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BACKGROUND Black‐foot and Petri diseases are the main fungal diseases associated with young grapevine decline. Two field experiments were established to evaluate the preventive effect of two potential biocontrol agents (BCAs), that is Streptomyces sp. E1 + R4 and Pythium oligandrum Po37, and three BCA‐commercial products containing Trichoderma atroviride SC1, Trichoderma koningii TK7 and Pseudomonas fluorescens + Bacillus atrophaeus on fungal infection in grafted plants and plant growth parameters. RESULTS The effectiveness of some BCA in reducing the incidence and severity of both diseases was dependent on the plant part analyzed and the plant age. No single BCA application was able to control both diseases. Streptomyces sp. E1 + R4 were able to reduce significantly the infection of the most prevalent black‐foot disease fungi while P. oligandrum Po37 and Trichoderma spp. were able to reduce significantly Phaeomoniella chlamydospora and Phaeoacremonium minimum (Petri disease) infection. BCA treatments had no effect on the shoot weight, and root weight was significantly lower in all BCA treatments with respect to the control. CONCLUSIONS The combination of the disease‐suppressive activity of two or more beneficial microbes in a biocontrol preparation is required to prevent infection by black‐foot and Petri disease fungi in vineyards.

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Ability of Pythium oligandrum strains to protect Vitis vinifera L., by inducing plant resistance against Phaeomoniella chlamydospora, a pathogen involved in Esca, a grapevine trunk disease

Cited by 70 publications

References 36 publications

Suppression of fungal contamination byPythium oligandrumduring malting of barley

Suppression of fungal contamination byPythium oligandrumduring malting of barley

Characterization of species associated with Pythium soft rot of ginger and evaluation of Pythium Oligandrum as a biocontrol

Field evaluation of biocontrol agents against black‐foot and Petri diseases of grapevine

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