Dear Sir:
Samples of Ferralitic red soil were collected in sugarcane and forest areas of the CPA Gabriel Valiente in the municipality of Colón, Matanzas province, from January to June 2007. The Trichoderma isolates obtained amounted 126 with two of them showing good antagonistic effects against Rhizoctonia solani Kühn, Sclerotium rolfsii Sacc. and Fusarium sp. These isolates were classified as Trichoderma harzianum Rifai and T. longibrachiatum Rifai according to Gams and Bisset (1998) and they are reported for the first time in this province.
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Sonia Pino Morera*, B. Martínez Coca**, Noyma González Morejón**, Danay Infante Martínez**
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*Centro de Reproducción de Entomófagos y Entomopatógenos (CREE) Gispert, Municipio Colón, provincia Matanzas, Cuba. ** Centro Nacional de Sanidad Agropecuaria (CENSA), Apartado 10, San José de las Lajas, La Habana, Cuba. Correo electrónico: bmcoca@censa.edu.cu ]]>