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trachcanman99 · 07-27-2016, 05:49 AM

Have you looked at the underside of the leave? aphid and other small sucking insects hide under the leaf, get a 10x loupe and check the underside for small sucking insects. Or if the leaf is an old leaf it is starting to die off the plant will pull nitrogen from that leaf to use for newer leaves. And if it is an old leaf bacteria and fungus will start to attack it which would give you black spots. with the loupe and looking at the bottom of the leaf if it appears to be small volcano shaped structures with spores coming out you are looking at bacterial or fungal growth, I forget which. I never looked into pesticides for bananas so not sure if there is anything you can treat the plant with to kill off either.

07-27-2016, 05:49 AM	#2 (permalink)
trachcanman99 Location: Friendswood Find me on the map! Zone: 9b Name: Robert Join Date: Jun 2016 Posts: 13 BananaBucks : 7,021 Feedback: 0 / 0% Said "Thanks" 16 Times Was Thanked 14 Times in 7 Posts Said "Welcome to Bananas" 0 Times	Re: Just to Confirm, on these Black Spots... Have you looked at the underside of the leave? aphid and other small sucking insects hide under the leaf, get a 10x loupe and check the underside for small sucking insects. Or if the leaf is an old leaf it is starting to die off the plant will pull nitrogen from that leaf to use for newer leaves. And if it is an old leaf bacteria and fungus will start to attack it which would give you black spots. with the loupe and looking at the bottom of the leaf if it appears to be small volcano shaped structures with spores coming out you are looking at bacterial or fungal growth, I forget which. I never looked into pesticides for bananas so not sure if there is anything you can treat the plant with to kill off either. __________________ if you can't eat it why invest all that work?