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Phyton (Buenos Aires)

versión On-line ISSN 1851-5657


RIVERA, MC; WRIGHT, Eduardo R; LOPEZ, MV  y  FABRIZIO, MC. Temperature and dosage dependent suppression of damping-off caused by Rhizoctonia solani in vermicompost amended nurseries of white pumpkin: (with 3 tables & 2 figures). Phyton (B. Aires) [online]. 2004, vol.73, pp.131-136. ISSN 1851-5657.

It is generally accepted that composts have the potential to provide biological control of plant diseases. However, there has been little research on the use of vermicomposts for the same purpose. The aim of this paper was to evaluate a vermicompost suppressiveness in nurseries of white pumpkin infested with Rhizoctoniasolani. Two assays were carried out at 22 ± 2 °Cand 15 ± 3 °C, with increasing proportions of compost in the substratum. Seedlings with damping-off or incipient crown rot, as well as those that did not emerge as expected for the germination power, were considered diseased. Vermicompost's effectiveness in suppressing the disease depended on dosage and temperature.

Palabras clave : Benincasa hispida; Cucurbitaceae; disease control; soilborne pathogen.

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