The role of gum induced by Fusarium oxysporum Schlecht. Snyd. et Hans. f.sp. tulipae Apt. in tulip bulbs on growth and development of the pathogen

A. Saniewska
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A. Saniewska: Research Institute of Pomology and Floriculture, 96-100 Skierniewice, Poland

Plant Protection Science, 2002, vol. 38, issue SI2-6thConfEFPP, 432-435

Abstract: It was showed that gums induced by Fusarium oxysporum f.sp. tulipae in tulip bulbs applied to mineral Czapek-Dox Broth with Bacto Agar (CzDA) medium, containing sucrose substantially stimulated abundant growth of mycelium and sporulation of the pathogen. Addition of arabinose, xylose and their mixture, sugars occurring in tulip gum polysaccharide, to CzDA medium caused that mycelium was very sparse and sporulation was only slightly stimulated by arabinose. Mycelium growth on mineral CzDA medium without sucrose, was poor and sparse but addition of gum to the medium caused formation of abundant mycelium and increased sporulation of the pathogen. It is possible that polysaccharide of tulip gum may act mainly as elicitor and partially as substrate in regulation of mycelium growth and sporulation of Fusarium oxysporum f.sp. tulipae.

Keywords: tulip gums; arabinose; xylose; Fusarium oxysporum f.sp. tulipae; growth; sporulation in vitro (search for similar items in EconPapers)
Date: 2002
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DOI: 10.17221/10515-PPS

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