Changes induced by Trichoderma harzianum in suppressive compost controlling Fusarium wilt

Blaya, Josefa; López-Mondéjar, Rubén; Lloret, Eva; Pascual, José Antonio; Ros, Margarita

doi:10.1016/j.pestbp.2013.06.001

Cited by 53 publications

(37 citation statements)

References 55 publications

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“…Because all the tested plants in the different treatments were healthy, the healthy plants in high disease incidence treatments contained more relative abundances of the rhizospheric genera Ralstonia and Fusarium, increasing the risk of plant illness (Wei et al 2011;Shanmugam et al 2015). Moreover, studies have confirmed that the genera Bacillus (Singh and Siddiqui 2015), Penicillium (Sabuquillo et al 2006), and Trichoderma (Blaya et al 2013) act as biocontrol agents could induce a resistance capacity of plants that provides protection against of the microbial pathogens (Ent et al 2009). Pseudomonas was reported to suppress plant disease in several studies (Dowling and O'Gara 1994;Singh and Siddiqui 2015).…”

Section: Discussionmentioning

confidence: 99%

Continuous application of different organic additives can suppress tomato disease by inducing the healthy rhizospheric microbiota through alterations to the bulk soil microflora

et al. 2017

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Section: Discussionmentioning

confidence: 99%

Continuous application of different organic additives can suppress tomato disease by inducing the healthy rhizospheric microbiota through alterations to the bulk soil microflora

et al. 2017

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“…nicotianae than non-fortified compost and peat. The combination of organic substrates and biocontrol agents suppress plant pathogens through different mechanisms which can be summarized as direct interactions such as nutrient and space competence, antibiotic compound production and mycoparasitism; and indirect interaction through plants, such as systemic and acquired resistance (ISR and SAR) [31, 5, 32]. …”

Section: Discussionmentioning

confidence: 99%

“…Mixed compost/peat for substrate (1:1 w/w) was assayed, following good agronomic results shown by Blaya et al [5, 19]. Composts made from vineyard wastes (Microgaiga, S.L.…”

Section: Methodsmentioning

confidence: 99%

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Relationship of microbial communities and suppressiveness of Trichoderma fortified composts for pepper seedlings infected by Phytophthora nicotianae

et al. 2017

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The understanding of the dynamic of soil-borne diseases is related to the microbial composition of the rhizosphere which is the key to progress in the field of biological control. Trichoderma spp. is commonly used as a biological control agent. The use of next generation sequencing approaches and quantitative PCR are two successful approaches to assess the effect of using compost as substrate fortified with two Trichoderma strains (Trichoderma harzianum or Trichoderma asperellum) on bacterial and fungal communities in pepper rhizosphere infected with Phytophthora nicotianae. The results showed changes in the bacterial rhizosphere community not attributed to the Trichoderma strain, but to the pathogen infection, while, fungi were not affected by pathogen infection and depended on the type of substrate. The Trichoderma asperellum fortified compost was the most effective combination against the pathogen. This could indicate that the effect of fortified composts is greater than compost itself and the biocontrol effect should be attributed to the Trichoderma strains rather than the compost microbiota, although some microorganisms could help with the biocontrol effect.

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“…Several authors have shown the importance of the availability of specific nutrients (e.g., Cu, Zn, Fe, and Mn) in growth media for the biocontrol of Fusarium wilt (Ratto et al 1996;Cotxarrera et al 2002;Borrero et al 2004;Segarra et al 2010). Limitation of these specific nutrients results in explicit nutrient competition among microorganisms: For example, lack of Fe induces siderophore production and competition for this mineral (Blaya et al 2013). The unavailability of these nutrients can limit the growth, sporulation, and pathogenicity of F. oxysporum (Cotxarrera et al 2002).…”

Section: Effects Of Physicochemical and Biochemical Propertiesmentioning

confidence: 99%

Effect of vinegar residue compost amendments on cucumber growth and Fusarium wilt

Shi

et al. 2015

Environ Sci Pollut Res

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Fusarium wilt of cucumber caused by Fusarium oxysporum f. sp. cucumerinum J. H. Owen is one of the major destructive soilborne diseases and results in considerable yield losses. Methyl bromide was once the most effective disease control method but has been confirmed as harmful to the environment. Using suppressive media as biological controls to assist crop growth is becoming popular. In this study, Fusarium wilt of cucumber was successfully controlled by a newly identified suppressive media: vinegar residue compost-amended media (vinegar residue compost mixed with peat and vermiculite in a 6:3:1 ratio (v/v) vinegar residue substrate (VRS). Greenhouse experiments were carried out to evaluate the effect of VRS on the growth of cucumber seedlings and disease suppression. The control was peat/vermiculite (2:1, v/v). To identify the mixed media most suitable for the growth of plants and their suppressiveness indicators, we evaluated the biological characteristics of cucumber, the physicochemical and biochemical properties of the growth media, and the enzyme activities. Total organic C (C(org)), microbial biomass C (C(mic)), basal respiration (R(mic)), and enzyme (catalase, invertase, urease, proteinase, phosphatase, β-glucosidase, and hydrolysis of fluorescein diacetate) activities increased significantly after vinegar waste compost amendment. The compost media also showed a significantly positive effect on the growth of cucumber seedlings and the suppression of the disease severity index (DSI, 38% reduction). The cucumber rhizosphere population of F. oxysporum f. sp. cucumerinum (FOC) was significantly lower in VRS than in the control. These results demonstrate convincingly that vinegar residue compost-amended media has a beneficial effect on cucumber growth and could be applied as a method for biological control of cucumber Fusarium wilt.

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Changes induced by Trichoderma harzianum in suppressive compost controlling Fusarium wilt

Cited by 53 publications

References 55 publications

Continuous application of different organic additives can suppress tomato disease by inducing the healthy rhizospheric microbiota through alterations to the bulk soil microflora

Continuous application of different organic additives can suppress tomato disease by inducing the healthy rhizospheric microbiota through alterations to the bulk soil microflora

Relationship of microbial communities and suppressiveness of Trichoderma fortified composts for pepper seedlings infected by Phytophthora nicotianae

Effect of vinegar residue compost amendments on cucumber growth and Fusarium wilt

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