The Survival and Treatment of <i>Fusarium oxysporum</i> f. sp. <i>cubense</i> in Water

<i>Fusarium oxysporum</i> f. sp <i>cubense</i> (Foc), the causal agent of Fusarium wilt, is one of the most devastating constraints to banana production worldwide. The spread of Foc in water is particularly concerning, as infested water can rapidly contaminate disease-free ar...

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Main Authors: Sahabne Ullah, Diane Mostert, Kobus Serfontein, Altus Viljoen
Format: Article
Language:English
Published: MDPI AG 2021-09-01
Series:Journal of Fungi
Subjects:
Online Access:https://www.mdpi.com/2309-608X/7/10/796
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author Sahabne Ullah
Diane Mostert
Kobus Serfontein
Altus Viljoen
author_facet Sahabne Ullah
Diane Mostert
Kobus Serfontein
Altus Viljoen
author_sort Sahabne Ullah
collection DOAJ
description <i>Fusarium oxysporum</i> f. sp <i>cubense</i> (Foc), the causal agent of Fusarium wilt, is one of the most devastating constraints to banana production worldwide. The spread of Foc in water is particularly concerning, as infested water can rapidly contaminate disease-free areas. The objectives of this study were to investigate the survival of Foc in water and to test the effectiveness of water treatment with chlorine, ozone, UV, and peracetic acid. The study indicated that Foc spores can survive in water for more than 120 days, but that viability was reduced in stagnant water, probably due to anaerobic conditions when spores settled at the bottom. It is therefore recommended that surface water be extracted and treated before it is used for irrigation. The efficacy of all water treatments was reduced in the presence of soil, implying that water needs to be soil-free before treatment. The use of peracetic acid is recommended to treat Foc-contaminated water, as it is safe for use and does not require installation costs although it is effective at treating Foc-contaminated water, ozone would require significant input costs and chlorine can produce harmful disinfection by-products. UV would be impractical for field application because of the high doses required to eliminate Foc.
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spelling doaj.art-a4966518dc7f4ab5875a2a3e1cb8ff702023-11-22T18:46:36ZengMDPI AGJournal of Fungi2309-608X2021-09-0171079610.3390/jof7100796The Survival and Treatment of <i>Fusarium oxysporum</i> f. sp. <i>cubense</i> in WaterSahabne Ullah0Diane Mostert1Kobus Serfontein2Altus Viljoen3Department of Plant Pathology, Stellenbosch University, Stellenbosch 7602, Western Cape, South AfricaDepartment of Plant Pathology, Stellenbosch University, Stellenbosch 7602, Western Cape, South AfricaICA International Chemicals, Stellenbosch 7601, Western Cape, South AfricaDepartment of Plant Pathology, Stellenbosch University, Stellenbosch 7602, Western Cape, South Africa<i>Fusarium oxysporum</i> f. sp <i>cubense</i> (Foc), the causal agent of Fusarium wilt, is one of the most devastating constraints to banana production worldwide. The spread of Foc in water is particularly concerning, as infested water can rapidly contaminate disease-free areas. The objectives of this study were to investigate the survival of Foc in water and to test the effectiveness of water treatment with chlorine, ozone, UV, and peracetic acid. The study indicated that Foc spores can survive in water for more than 120 days, but that viability was reduced in stagnant water, probably due to anaerobic conditions when spores settled at the bottom. It is therefore recommended that surface water be extracted and treated before it is used for irrigation. The efficacy of all water treatments was reduced in the presence of soil, implying that water needs to be soil-free before treatment. The use of peracetic acid is recommended to treat Foc-contaminated water, as it is safe for use and does not require installation costs although it is effective at treating Foc-contaminated water, ozone would require significant input costs and chlorine can produce harmful disinfection by-products. UV would be impractical for field application because of the high doses required to eliminate Foc.https://www.mdpi.com/2309-608X/7/10/796Fusarium wiltwatersurvivaltreatmentchlorineozone
spellingShingle Sahabne Ullah
Diane Mostert
Kobus Serfontein
Altus Viljoen
The Survival and Treatment of <i>Fusarium oxysporum</i> f. sp. <i>cubense</i> in Water
Journal of Fungi
Fusarium wilt
water
survival
treatment
chlorine
ozone
title The Survival and Treatment of <i>Fusarium oxysporum</i> f. sp. <i>cubense</i> in Water
title_full The Survival and Treatment of <i>Fusarium oxysporum</i> f. sp. <i>cubense</i> in Water
title_fullStr The Survival and Treatment of <i>Fusarium oxysporum</i> f. sp. <i>cubense</i> in Water
title_full_unstemmed The Survival and Treatment of <i>Fusarium oxysporum</i> f. sp. <i>cubense</i> in Water
title_short The Survival and Treatment of <i>Fusarium oxysporum</i> f. sp. <i>cubense</i> in Water
title_sort survival and treatment of i fusarium oxysporum i f sp i cubense i in water
topic Fusarium wilt
water
survival
treatment
chlorine
ozone
url https://www.mdpi.com/2309-608X/7/10/796
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