Rhizoctonia solani as causative agent of damping off of Swiss chard in Europe

Palmero Llamas, Daniel and Galvez Patón, Laura and Gil Serna, J. and Benito Saez, Santiago (2012). Rhizoctonia solani as causative agent of damping off of Swiss chard in Europe. "Spanish Journal of Agricultural Research", v. 10 (n. 4); pp. 1117-1120. ISSN 1695-971X.

Description

Title: Rhizoctonia solani as causative agent of damping off of Swiss chard in Europe
Author/s:
  • Palmero Llamas, Daniel
  • Galvez Patón, Laura
  • Gil Serna, J.
  • Benito Saez, Santiago
Item Type: Article
Título de Revista/Publicación: Spanish Journal of Agricultural Research
Date: 2012
ISSN: 1695-971X
Volume: 10
Subjects:
Faculty: E.U.I.T. Agrícolas (UPM)
Department: Producción Vegetal: Botánica y Protección Vegetal [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

During September 2011, post-emergence damping off of Swiss chard (Beta vulgaris subsp. cicla L.) was observed in a greenhouse in Villa del Prado (Spain). About 20% of the seedlings showed damping off symptoms. Lesions were initially water soaked, dark brown necrosis of crown tissue, irregular in shape and sunken in appearance on large plants, causing the infected seedlings to collapse and eventually die. Rhizoctonia solani was isolated consistently from symptomatic plants. After morphological and molecular identification of the isolates, pathogenicity was tested by placing agar plugs of four isolates adjacent to the stem at the three or four true leaf stage. In inoculated plants, brown crown and stem necrosis occurred while control plants did not show disease symptoms. Pathogenicity using non-germinated seeds was also tested. All four isolates produced extensive damping off when inoculated on non-germinated seeds. To our knowledge, this is the first report of damping off of Swiss chard caused by R. solani in Europe.

More information

Item ID: 15537
DC Identifier: http://oa.upm.es/15537/
OAI Identifier: oai:oa.upm.es:15537
Deposited by: Memoria Investigacion
Deposited on: 19 Jul 2013 09:00
Last Modified: 21 Apr 2016 15:38
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