Q.Leaf blight on Mandevilla plant
The older leaves on my mandevilla are developing a green spot which is turning into a dry brown blob. How can I treat this please?

GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on April 15, 2020
These links will help.
https://www.gardeningknowhow.com/ornamental/vines/mandevilla/mandevilla-disease-problems.htm
https://www.gardeningknowhow.com/ornamental/vines/mandevilla/yellow-leaves-on-mandevilla.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
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