Antagonistic activity of bacteria and fungi from horticultural compost against Fusarium oxysporum f. sp. melonis

Suárez‐Estrella, F.; Vargas-Garcı́a, M.C.; López, M.J.; Capel, Carmen; Moreno, J.

doi:10.1016/j.cropro.2006.04.003

Cited by 123 publications

(59 citation statements)

References 35 publications

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“…Plates without rhizobacteria were used as the control and incubated at 25°C for six days. The inhibition zone, noted by the absence of any contact between the bacteria and FOC after incubation, was scored as described (Suarez-Estrella 2007). Each test was replicated three times.…”

Section: Dual Culture Assaymentioning

confidence: 99%

Biocontrol of Chickpea Fusarium Wilt by Bacillus Spp. Rhizobacteria

Zaim¹,

Belabid²,

Bellahcene³

2013

Journal of Plant Protection Research

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Among 131 rhizobacteria isolates, 29 potentially antagonistic strains were screened in in vitro assays. The five antagonistic Bacillus spp. Rb29, Rb6, Rb12, Rb4, and Rb15 showed the most inhibitory effect against FOC1 (from 25.63 to 71.11%), mycelial growth, and FOC2 (from 28.43 to 60.65%) in vitro. Results also revealed that production of volatile metabolite, components and inhibition of the test pathogen by volatile metabolites varied among different antagonistic rhizobacteria. Isolates Rb29, Rb6, Rb12, Rb4, and Rb15 produced more volatile metabolites which inhibited mycelial FOC growth by 40%. Chickpea Fusarium wilt severity caused by FOC1 was reduced from 60 to 99% in the susceptible cultivar ILC 482 treated with antagonistic Bacillus spp. (Rb29, Rb6, Rb12, Rb4, and Rb15) in pot assays and by 98, 81, 68, 64, 57.20%, respectively, in the field trials. As for their beneficial effects on disease control, the results revealed that Bacillus spp. may improve plant growth and disease control.

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Section: Dual Culture Assaymentioning

confidence: 99%

Biocontrol of Chickpea Fusarium Wilt by Bacillus Spp. Rhizobacteria

Zaim¹,

Belabid²,

Bellahcene³

2013

Journal of Plant Protection Research

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“…(Hoitink and Boehm 1999), Fusarium Link spp. (Suárez-Estrella et al 2007) and Rhizoctonia DC spp. (Nakasaki et al 1998).…”

Section: Introductionmentioning

confidence: 99%

Reproducibility of suppression of Pythium wilt of cucumber by compost

Vestberg

Kukkonen

Parikka

et al. 2014

AFSci

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There is increasing global interest in using compost to suppress soil-borne fungal and bacterial diseases and nematodes. We studied the reproducibility of compost suppressive capacity (SC) against Pythium wilt of cucumber using nine composts produced by the same composting plant in 2008 and 2009. A bioassay was set up in a greenhouse using cucumber inoculated with two strains of Pythium. The composts were used as 20% mixtures (v:v) of a basic steam-sterilized light Sphagnum peat and sand (3:1, v:v). Shoot height was measured weekly during the 5-week experiment. At harvest, the SC was calculated as the % difference in shoot dry weight (DW) between non-inoculated and inoculated cucumbers. The SC was not affected by year of production (2008 or 2009), indicating reproducibility of SC when the raw materials and the composting method are not changed. Differences in shoot height were not as pronounced as those for shoot DW. The results were encouraging, but further studies are still needed for producing compost with guaranteed suppressiveness properties.

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“…However, fungal diseases, particularly early blight caused by A lternaria solani is most common and destructive one causing great reduction in the quantity and quality of fruit yields wherever tomato is grown [2]. Fusarium oxysporum (FOL) also is a known pathogen of tomato plant which is an economically important crop [3]. Tomato yield is significantly reduced by F. oxysporum because it can destroy roots of tomato at growth stages.…”

Section: Introductionmentioning

confidence: 99%

Diagnosis of phytopathogenic fungi of Lycopersicon esculentum L. in Oued Righ region (Algerian sahara)

2017

SDRP-JPS

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Background:Several phytopatogenic fungi attack tomato (Lycopersicon esculentum) plants in all the parts of this culture. In abundance use of chemical products we would like to investigate and produce molecules that can be used in biological control. This study was carried to study the fungal diseases of tomato plants in the region of Oued Righ. Methods:The chosen field test area was naturally infested with several symptoms in the roots, leaves and fruits. Samples were brought to laboratory and plated out on potato dextrose agar (PDA) medium and incubated at 26°C. Results:After isolation and identification, nine species of fungi were identified from the samples; Botrytis cinerea, Alternaria sp., Fusarium oxysporum f. sp. radicis-lycopersici, Cladosporium fulvum, Aspergillus niger, Penicillium sp., Stemphylium solani, Trichothecium roseum and Sclerotinia sclerotiorum. On the other hand, three species of these isolates were not identified. Conclusion:As a first step to isolate and identify these phytopatogenic fungi, we have to use biological molecules to fight against these diseases, also to be useful in developing novel and environmentally safe strategies to control economically important.

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Antagonistic activity of bacteria and fungi from horticultural compost against Fusarium oxysporum f. sp. melonis

Cited by 123 publications

References 35 publications

Biocontrol of Chickpea Fusarium Wilt by Bacillus Spp. Rhizobacteria

Biocontrol of Chickpea Fusarium Wilt by Bacillus Spp. Rhizobacteria

Reproducibility of suppression of Pythium wilt of cucumber by compost

Diagnosis of phytopathogenic fungi of Lycopersicon esculentum L. in Oued Righ region (Algerian sahara)

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