Pecan trees

Question

My pecan has black spot fungus. The pecans turn black and don’t mature. What can I do or spray them with?

Answer 1

This is likely a Pecan scab disease.
Treatment would be difficult on your own and may require application of fungicide by a professional.
Here are some links with more information.

http://pods.dasnr.okstate.edu/docushare/dsweb/Get/Document-1030/F-7642web.pdf
http://www.clemson.edu/extension/hgic/pests/plant_pests/veg_fruit/hgic2211.html
https://www.gardeningknowhow.com/edible/nut-trees/pecan/pecan-tree-leaking-sap.htm