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Identification and characterization of non-pathogenic Fusarium oxysporum capable of increasing and decreasing Fusarium wilt severity

Forsyth, L.M., Smith, L.J. and Aitken, E.A.B. (2006) Identification and characterization of non-pathogenic Fusarium oxysporum capable of increasing and decreasing Fusarium wilt severity. Mycological Research, 110 (8). pp. 929-935.

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Article Link(s): http://dx.doi.org/10.1016/j.mycres.2006.03.008

Publisher URL: http://www.elsevier.com


Fusarium wilt of banana is a potentially devastating disease throughout the world. Options for control of the causal organism, Fusarium oxysporum f.sp. cubense (Foc) are limited. Suppressive soil sites have previously been identified where, despite the presence of Foc, Fusarium wilt does not develop. In order to understand some aspects of this disease suppression, endophytic Fusarium oxysporum isolates were obtained from banana roots. These isolates were genetically characterized and compared with an isolate of Fusarium oxysporum previously identified as being capable of suppressing Fusarium wilt of banana in glasshouse trials. Three additional isolates were selected for glasshouse trials to assess suppression of Fusarium wilt in two different cultivars of banana, Cavendish and Lady Finger. One isolate (BRIP 29089) was identified as a potential biocontrol organism, reducing the disease severity of Fusarium wilt in Lady Finger and Cavendish cultivars. Interestingly, one isolate (BRIP 45952) increased Fusarium wilt disease severity on Cavendish. The implications of an isolate of Fusarium oxysporum, non-pathogenic on banana, increasing disease severity and the potential role of non-pathogenic isolates of Fusarium oxysporum in disease complexes are discussed.

Item Type:Article
Corporate Creators:Department of Employment, Economic Development and Innovation (DEEDI), Agri-Science, Crop and Food Science , Plant Science
Business groups:Crop and Food Science
Additional Information:© Elsevier Ltd.
Keywords:Banana; biocontrol; Musa; plant pathology; supressive soils.
Subjects:Plant culture > Fruit and fruit culture > Culture of individual fruits or types of fruit > Bananas
Science > Botany > Cryptogams
Plant pests and diseases > Individual or types of plants or trees
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Organic plant protection. Biological control
Deposited On:30 Oct 2008 06:53
Last Modified:03 Sep 2021 16:43

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