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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.

Procedure for Hot Water Treatment of Pecan Scion Wood
Pecan Bacterial Leaf Scorch on a Cape Fear tree.

This document provides a step-by-step procedure for hot water treatment of pecan scion wood to eliminate the bacterial leaf scorch pathogen.

Pecan Bacterial Leaf Scorch: Cultivar Susceptibility and Pathogen Transmission
Pecan Bacterial Leaf Scorch on a Cape Fear tree.

This article is a copy of a paper presented at the National Pecan Scientists Meeting in Branson, Missouri, in July 2005. It discusses pecan cultivar susceptibility and transmission of the Pecan Bacterial Leaf Scorch pathogen in pecans.

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.

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 2007 fungicide list is included.
Pecan Disease Synopsis
Scab lesions on nuts
This document describes the diseases that occur most frequently on pecan trees in Louisiana.