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Main Banana Discussion This is where we discuss our banana collections; tips on growing bananas, tips on harvesting bananas, sharing our banana photos and stories. |
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05-25-2021, 02:02 PM | #1 (permalink) |
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can fusarium oxysproum panama disease (tr1-4) spread via banana fruit skin?
Hi,
i fertilize organically with the skin of the banana fruit. i usw other stuff but these skins are full of potassium which I need as an organic gardener. but it just occurred to me that these bananas are coming from plantations across the world with god knows how many pests and diseases. w can Panama disease of Fusarium oxysporum spread via the skin of a banana fruit? as it's now all across the world. if so I'm am screwed as I'm growing varieties such as gross Michel which are vulnerable to been basic strains of the Panama disease (tr1) i know it can spread through soil and infected material but does the fruit skin of the banana have that? i know that fruit doesn't normally develop however, what if a plant has fruited and is just about to be harvested and only then develops symptoms? surely its a risk using banans skins if it can transmit this banana 'cancer'. even other diseases also e.g black sigatoka. can they spread via the skin? let me know what you think as I'm scared I've killed my banana collection thanks |
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05-26-2021, 12:48 AM | #2 (permalink) | |
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Re: can fusarium oxysproum panama disease (tr1-4) spread via banana fruit skin?
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And this from the Peruvian Agricultural Service suggests that TR4 cannot be spread by fruit. The most thorough source I've seen on the matter says that "as yet, no scientific evidence has been published of dispersal of Foc in banana fruits, but better understanding of this risk is required. A recent study related to the presence of Foc TR4 in the Middle East included the analysis of this possibility (Ploetz et al., 2015)." At any rate, it is rare that a Fusarium wilt-infected plant produces any edible bananas, much less ones of export-quality. Because the disease can be harbored within the plant often for many months before symptoms appear, because symptoms tend to present at flowering, and because the onset of symptoms usually rapidly leads to plant death (often in around a month), it isn't common for a plant to "develop symptoms" when its fruit is nearly ripe. In the great majority of instances it seems it becomes obvious the plant has been infected before any fruit can get close to ripened. Because of this, if it is even possible for the fungus to be contained within the fruit (and this seems doubtful) it would be exceptionally unlikely for any exported banana to carry the disease around the world given how few of these fruits could possibly be exported. All that to say...I don't think you should be worried, your bananas are overwhelmingly likely to be just fine! Last edited by 75north : 05-26-2021 at 01:22 AM. |
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05-26-2021, 01:07 AM | #3 (permalink) |
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Re: can fusarium oxysproum panama disease (tr1-4) spread via banana fruit skin?
Nothing to worry about. Your bananas are far more likely to die just by trying to grow them in the UK than they will ever be by the near-zero percent chance of introducing a pathogen via commercial fruit skins.
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Growing bananas in Colorado, Washington, Hawaii since 2004. Commercial banana farmer, 200+ varieties. |
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05-26-2021, 06:56 AM | #4 (permalink) | |
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Re: can fusarium oxysproum panama disease (tr1-4) spread via banana fruit skin?
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Last edited by OllieB497 : 05-26-2021 at 11:05 AM. |
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