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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comMy otherwise healthy young wisteria has yellow spots on lower, older leaves which is spreading. Is it root rot or something else? Looks like fungus. How should I treat it, please? Thanks so much.
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URLs in this post:
[1] https://www.gardeningknowhow.com/plant-problems/disease/tobacco-mosaic-disease.htm: https://www.gardeningknowhow.com/plant-problems/disease/tobacco-mosaic-disease.htm
[2] https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-with-yellow-leaves.htm: https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-with-yellow-leaves.htm
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1 Comment To "Yellow spots on wisteria leaves"
#1 Comment By Downtoearthdigs On 10/31/2016 @ 7:55 am
There can be a few reasons for the yellowing leaves. Watering issues; to much or to little.
Insects or fungus and even nutrient issues.
I do see mottling in the coloring of the leaves which does appear to be Tobacco Leaf Mosaic Virus.
You can try applications of a fungicide.
Here are some links with more information.
https://www.gardeningknowhow.com/plant-problems/disease/tobacco-mosaic-disease.htm [1]
https://www.gardeningknowhow.com/ornamental/vines/wisteria/wisteria-with-yellow-leaves.htm [2]