What causes dark spots on a pothos?
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7 years ago
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lmontestella
7 years agoUser
7 years agoRelated Discussions
Tomato Spot Pictures - couldn't identify what is causing it, help
Comments (6)Ah, excuse me for being blind. =) I was reading more about Septoria, and several sites said something along these lines about identifying Septoria: uniform, small size of the spots (which if you look closely are spore receptacles) and the lack of concentric rings in the spots. The presence of fruiting bodies (the spores) of the fungus, visible as tiny black specks in the centers of the spots, confirms Septoria leaf spot. I can't see any black marks inside the paler areas, not even tiny ones. Also, the marks are not uniform at all. In regards to early blight: The classic symptoms occur on the leaves where circular lesions up to 1/2" in diameter are produced. Within these lesions dark, concentric circles can be seen. This is also not seen on the leaves. The sites said humidity plays a factor in both early blight and septoria, but especially with early blight (warm air and humidity). However, I live in a desert -Utah- where humidity is about negative 60%. Ok, I exaggerate, but being from Florida, this is what it feels like! This seems to rule out early blight, but supposedly septoria can manifest itself in cooler weather with rain (which has happened here the past week on and off). I would be convinced if only it weren't missing those characteristics mentioned earlier. Another site said that septoria is often confused with bacterial spot. Since I am not familiar with these things, maybe one of you could confirm if it may or may not be bacterial spot. I'm wondering because the treatment of a fungus is supposedly different than the treatment of a bacteria....See MoreDark spots on October Glory Maple - cause?
Comments (1)Not lack of water.....just a bit too much. That is maple anthracnose, a catch-all term for various fungal organisms that will cause leaf spotting and blighting. It is very active in wet, warms springs, so not at all an uncommon PNW problem. Especially this year. Some selections are more resistant to it than others, which is why you don't see it on all your maples. It is usually not considered serious enough to treat. You may get some leaf drop but established trees will tolerate that easily. You may even see some rebudding and new leaf formation. But you do want to be diligent in cleaning up and disposing of all fallen leaves from this tree now on through the fall. Don't put them in your compost....See MoreDevil's Ivy / Pothos suddenly had brown spots and slits
Comments (1)Any chance of pictures?...See MoreWhat are these two spots on my new pothos leaf?
Comments (2)Probably just some physical damage. Don't snip it off. It's a fully functioning photosynthesising leaf. The plant needs it....See Morelmontestella
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