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Effects of temperature on in vitro response of Trichoderma strains against strawberry pathogen Rhizoctonia solani Kühn

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  • M. Porras

    (Centro de Investigación y Formación Agraria Las Torres-Tomejil, Aptdo. Correos Oficial, 41 200 Alcalá del Río (Sevilla), Spain *)

  • C. Barrau

    (Centro de Investigación y Formación Agraria Las Torres-Tomejil, Aptdo. Correos Oficial, 41 200 Alcalá del Río (Sevilla), Spain *)

  • B. Santos

    (Centro de Investigación y Formación Agraria Las Torres-Tomejil, Aptdo. Correos Oficial, 41 200 Alcalá del Río (Sevilla), Spain *)

  • F.T. Arroyo

    (Centro de Investigación y Formación Agraria Las Torres-Tomejil, Aptdo. Correos Oficial, 41 200 Alcalá del Río (Sevilla), Spain *)

  • C. Blanco

    (Centro de Investigación y Formación Agraria Las Torres-Tomejil, Aptdo. Correos Oficial, 41 200 Alcalá del Río (Sevilla), Spain *)

  • F. Romero

    (Centro de Investigación y Formación Agraria Las Torres-Tomejil, Aptdo. Correos Oficial, 41 200 Alcalá del Río (Sevilla), Spain *)

Abstract

Effect of temperature on growth and antagonistic ability of Trichoderma spp. isolated from local strawberry culture and commercial product, against Rhizoctonia solani, strawberry pathogen, was studied in vitro. Trials were carried out twice, at 10, 25 and 30°C. Inhibitor effect was evaluated by radial growth measures of established duals on PDA's dishes, using Royse and Ries formula, to evaluate the percentage inhibition of radial growth. Design of dishes was a randomized complete block, considering 10 replicates. Data were analyzed statistically by two-way analysis of variance. The objective has been to determine the most competitive Trichoderma strain and the best temperature that produce the inhibiting effect on the pathogen growth. Local strain has the best behavior at 10 and 25°C.

Suggested Citation

  • M. Porras & C. Barrau & B. Santos & F.T. Arroyo & C. Blanco & F. Romero, 2002. "Effects of temperature on in vitro response of Trichoderma strains against strawberry pathogen Rhizoctonia solani Kühn," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 38(SI2-6thCo), pages 620-622.
    • Handle: RePEc:caa:jnlpps:v:38:y:2002:i:si2-6thconfefpp:id:10572-pps
    DOI: 10.17221/10572-PPS
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