The effect of surface sterilants on spore germination of Fusarium oxysporum f. sp. cubense tropical race 4

Meldrum, R. A., Daly, A. M., Tran-Nguyen, L. T. T. and Aitken, E. A. B. (2013) The effect of surface sterilants on spore germination of Fusarium oxysporum f. sp. cubense tropical race 4. Crop Protection, 54 194-198. doi:10.1016/j.cropro.2013.08.014


Author Meldrum, R. A.
Daly, A. M.
Tran-Nguyen, L. T. T.
Aitken, E. A. B.
Title The effect of surface sterilants on spore germination of Fusarium oxysporum f. sp. cubense tropical race 4
Formatted title
The effect of surface sterilants on spore germination of Fusarium oxysporum f. sp. cubense tropical race 4
Journal name Crop Protection   Check publisher's open access policy
ISSN 0261-2194
1873-6904
Publication date 2013-12
Sub-type Article (original research)
DOI 10.1016/j.cropro.2013.08.014
Open Access Status
Volume 54
Start page 194
End page 198
Total pages 5
Place of publication Amsterdam, Netherlands
Publisher Elsevier
Collection year 2014
Language eng
Subject 1102 Cardiovascular Medicine and Haematology
Formatted abstract
Highlights
• We analysed three surface sterilants for effectiveness against Fusarium oxysporum f. sp. cubense tropical race 4 spores.
• Complete inhibition of Foc TR4 microspores can be achieved.
• Sporekill® was the most effective sterilant assessed.
• The effectiveness of sterilants generally decreased under tropical field conditions.

Fusarium wilt of banana is a devastating disease caused by Fusarium oxysporum f. sp. cubense (Foc). The 'tropical' race 4 strain (Foc TR4) has a significant impact on the banana industry worldwide. To prevent this soilborne disease from spreading, the best practice is to minimise movement of infested soil. Investigations were made on three products, Farmcleanse®, Sporekill® and Domestos®, to determine their suitability as surface sterilants for use in footbaths and on machinery. Assessments involved analysing the rates of microconidia germination, following treatment with fresh preparations of each product, at a range of concentrations and exposure times; and also with preparations of each, after exposure to heat and sunlight, for a range of times. Sporekill® was a better surface sterilant than Farmcleanse® and Domestos®, preventing germination of microconidia after the minimum exposure time of 30s. Sporekill® was also able to inhibit microconidia germination after 6 months of exposure to heat and sunlight. This study demonstrated that Sporekill® is more effective than Farmcleanse® in inhibiting the germination of Foc TR4 spores, and may be beneficial for use in footbaths and the general disinfestation of machinery contaminated with Foc TR4.
Keyword Footbath
Fusarium oxysporum f. sp. cubense
Surface sterilant
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Queensland Alliance for Agriculture and Food Innovation
Official 2014 Collection
 
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Created: Thu, 28 Nov 2013, 19:49:16 EST by System User on behalf of Qld Alliance for Agriculture and Food Innovation