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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comWhat is the rusty orange fuzzy fungus appearing on about two inches of the end of each stem on a Mandevilla? Is it a fungus or pollen? If it is fungus, how should I treat it? The plant is otherwise very healthy producing lots of shoots and flowers.
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URLs in this post:
[1] https://www.gardeningknowhow.com/plant-problems/disease/learn-about-plant-rust-disease-and-rust-treatment.htm: https://www.gardeningknowhow.com/plant-problems/disease/learn-about-plant-rust-disease-and-rust-treatment.htm
[2] https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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1 Comment To "rusty orange fuzzy fungus on mandevilla"
#1 Comment By Downtoearthdigs On 08/16/2015 @ 2:31 pm
Likely you are describing Rust disease.
You can remove the diseased leaves and dispose of. Treat the plant with Neem Oil.
Here are links with more information.
https://www.gardeningknowhow.com/plant-problems/disease/learn-about-plant-rust-disease-and-rust-treatment.htm [1]
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm [2]