Pecan IPM Toolbox

Disease Prevention

ipm PIPE program logo: Pest Information Platform for Extension and Education

Root Diseases of Pecan Trees

Root Knot on Pecans (nematodes - Meloidogyne incognita)

Key words: Slow decline, zinc deficiency, nematodes

Symptomatic of root knot nematodes are small swellings are found on the rootlets of pecan trees. Aboveground symptoms are stunted, rosetted trees that do not respond to fertilizer and zinc applications. Growers should examine all nursery trees before planting. Chemical control is not recommended at this time. Trees found to be infected with root knot should be removed, making sure to remove as many roots as possible.

This is the end of the Disease Prevention module. 

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