Screenhouse and field persistence of nonpathogenic endophytic Fusarium oxysporum in Musa tissue culture plants
Two major biotic constraints to highland cooking banana (Musa spp., genome group AAA-EA) production in Uganda are the banana weevil Cosmopolites sordidus and the burrowing nematode Radopholus similis. Endophytic Fusarium oxysporum strains inoculated into tissue culture banana plantlets have shown control of the banana weevil and the nematode. We conducted screenhouse and field experiments to investigate persistence in the roots and rhizome of two endophytic Fusarium oxysporum strains, V2w2 and III4w1, inoculated into tissue-culture banana plantlets of highland cooking banana cultivars Kibuzi and Nabusa. Re-isolation of F. oxysporum showed that endophyte colonization decreased faster from the rhizomes than from the roots of inoculated plants, both in the screenhouse and in the field. Whereas rhizome colonization by F. oxysporum decreased in the screenhouse (4–16 weeks after inoculation), root colonization did not. However, in the field (17–33 weeks after inoculation), a decrease was observed in both rhizome and root colonization. The results show a better persistence in the roots than rhizomes of endophytic F. oxysporum strains V2w2 and III4w1.
Main Authors: | Paparu, P., Dubois, T., Gold, C.S., Niere, B., Adipala, E., Coyne, Danny L. |
---|---|
Format: | Journal Article biblioteca |
Language: | English |
Published: |
Springer
2008-04
|
Subjects: | banana weevil, nematode, fusarium oxysporum strains, rhizomes, root colonization, radopholus similis, |
Online Access: | https://hdl.handle.net/10568/90901 https://doi.org/10.1007/s00248-007-9301-7 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
Similar Items
-
Efficacy of chemical and flourescent protein markers in studying plant colonization by endophytic nonpathogenic Fusarium oxysporum isolates
by: Paparu, P., et al.
Published: (2009) -
Differential gene expression in East African highland bananas (Musa spp.): interactions between nonpathogenic Fusarium V5w2 and Radopholus similis
by: Paparu, P., et al.
Published: (2013-04) -
Improved colonization of East African highland Musa tissue culture plants by endophytic Fusarium oxysporum
by: Paparu, P., et al.
Published: (2006-07-20) -
Defenserelated gene expression in susceptible and tolerant bananas (Musa spp.) following inoculation with nonpathogenic Fusarium oxysporum endophytes and challenge with Radopholus similis
by: Paparu, P., et al.
Published: (2007-10) -
Merging biotechnology with biological control: banana Musa tissue culture plants enhanced by endophytic fungi
by: Paparu, P., et al.
Published: (2004)