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   Diseases
 Home>Crops & Livestock>Crops>Pecans>Diseases>
Pecan Bacterial Leaf Scorch
Large native pecan tree in Natchitoches Parish, La.

For more than two decades there was uncertainty about the cause of a common disease among pecan trees referred to as leaf scorch. LSU AgCenter researchers were able to distinguish the cause of the disease, which has improved pecan production.

Fungicide Application Recommendations for Pecan Disease Control
Air-blast sprayer

The key components of the effective use of fungicides for pecan disease control are timing, coverage and concentration. The updated 2012 fungicide list is included.

Pecan Scab Disease
Pecan Scab Disease

Pecan scab disease is the most economically damaging disease of pecan production in the southeastern United States. The disease affects stem, leaf and nut growth, causing reduced yield. This publication includes information on the development, symptoms and control of the disease. (PDF format only)

Pecan Disease Synopsis
Scab lesions on nuts

This document describes the diseases that occur most frequently on pecan trees in Louisiana.