Dead Leaves on Lime Tree

My lime tree leaves look dead and curled up. They also have a clear sap-looking sustance on the leaves and branches. The trees that have the sap are not dead looking. What fertilizer is best to use on them and how often?

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1 Comment To "Dead Leaves on Lime Tree"

#1 Comment By Nikki On 01/21/2011 @ 7:27 am

This may be a sign of a pest infestation. Typically citrus leaf curl is caused by aphids but could also result from scale. The sappy substance is honeydew. Neem oil should help with the problem. Here is an article that will help as well: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm ^[1]

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