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Gabe15 · 05-13-2017, 11:33 AM

Like Nicolas said, you do not have Black Sigatoka, and even if you did, it does not really kill plants, it can severely reduce yields in some cases, but is as far as serious banana diseases go it is relatively easy to deal with.

Anyway, I can't say exactly what these spots are, there are a number of minor leaf diseases which can affect your bananas, sometimes harmless insects can also cause spots like that, but unless the plant really stops growing or a majority of the leaves or surface area of the leaves die, then I wouldn't worry about it. You mention that the lower leaves are dying, but that is normal as the plant grows even in perfectly healthy plants, and if there is any stress such as lack of water, nutrients or if it is pot bound, the lower leaves are normally the first to be shed from the plant.

05-13-2017, 11:33 AM	#5 (permalink)
Gabe15 Moderator Gabe15's Photo Gallery Location: Oahu, Hawaii Find me on the map! Zone: 12 Name: Gabe Join Date: Jul 2005 Posts: 3,892 BananaBucks : 13,504,508 Feedback: 5 / 100% Said "Thanks" 2 Times Was Thanked 8,248 Times in 2,201 Posts Said "Welcome to Bananas" 8 Times	Re: Is this Black sigatoka? Like Nicolas said, you do not have Black Sigatoka, and even if you did, it does not really kill plants, it can severely reduce yields in some cases, but is as far as serious banana diseases go it is relatively easy to deal with. Anyway, I can't say exactly what these spots are, there are a number of minor leaf diseases which can affect your bananas, sometimes harmless insects can also cause spots like that, but unless the plant really stops growing or a majority of the leaves or surface area of the leaves die, then I wouldn't worry about it. You mention that the lower leaves are dying, but that is normal as the plant grows even in perfectly healthy plants, and if there is any stress such as lack of water, nutrients or if it is pot bound, the lower leaves are normally the first to be shed from the plant. __________________ Growing bananas in Colorado, Washington, Hawaii since 2004. Commercial banana farmer, 200+ varieties.