Influence of carbon/nitrogen ratio on Pythium aphanidermatum and on Pythium-induced damping-off of radish

A. Al-Azizi, A. M. Al-Sadi, H. Dietz, F. A. Al-Said, M. L. Deadman

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A study was conducted to investigate the effect of fertilizers with different carbon/nitrogen ratios (no carbon, NC; low carbon/nitrogen ratio, LC; high carbon/nitrogen ratio, HC) on Pythium aphanidermatum and on radish damping-off. The ratio of carbon to nitrogen applied in the field was 29, 22 and 0 in 2007 and 22, 17 and 0 in 2008 for HC, LC (as cattle manure) and NC, respectively. Field experiments over two growing seasons provided evidence for the lowest mortalities due to Pythium-induced radish damping-off to be in soil amended with LC (P0.05), which may imply a lack of evidence for the effect of carbon/nitrogen ratio on reproduction in P. aphanidermatum.

Original languageEnglish
Pages (from-to)181-185
Number of pages5
JournalJournal of Plant Pathology
Volume95
Issue number1
Publication statusPublished - Mar 2013

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Pythium aphanidermatum
damping off
Pythium
radishes
carbon nitrogen ratio
carbon
cattle manure
growing season
fertilizers
nitrogen
soil

Keywords

  • Damping-off
  • Organic agriculture
  • Organic matter
  • Pythium aphanidermatum
  • Soil-borne diseases

ASJC Scopus subject areas

  • Plant Science

Cite this

Influence of carbon/nitrogen ratio on Pythium aphanidermatum and on Pythium-induced damping-off of radish. / Al-Azizi, A.; Al-Sadi, A. M.; Dietz, H.; Al-Said, F. A.; Deadman, M. L.

In: Journal of Plant Pathology, Vol. 95, No. 1, 03.2013, p. 181-185.

Research output: Contribution to journalArticle

Al-Azizi, A. ; Al-Sadi, A. M. ; Dietz, H. ; Al-Said, F. A. ; Deadman, M. L. / Influence of carbon/nitrogen ratio on Pythium aphanidermatum and on Pythium-induced damping-off of radish. In: Journal of Plant Pathology. 2013 ; Vol. 95, No. 1. pp. 181-185.
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