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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.

Nut Curculio
Adult Nut Curculio

An illustrated fact sheet describing the appearance and life cycle of the nut curculio. A description of the damage and information on sampling are also covered.

Pecan Weevil
Pecan weevil larvae

An illustrated fact sheet describing the appearance and life cycle of the pecan weevil. Information on damage and control are also included.

Proper Harvesting and Storage of Pecans Improve Quality
Cracked Pecans

The article provides a brief description of factors to consider when harvesting and storing pecans.

Storage Hints for Pecans
Shelled pecans
This article provides information on storing shelled and unshelled pecans. A table indicating the average shelf life of pecans when stored at various temperatures is included.
Air-Blast Sprayer Calibration for Pecan Orchards
Air-Blast Sprayer Calibration for Pecan Orchards
Chemical pesticides are the most commonly used method for controlling arthropod and disease pests on pecan. This publication provides an overview of procedures for the calibration of air-carrier sprayers.
Bug Biz: Black Pecan Aphid
The black pecan aphid
The black pecan aphid is found throughout Louisiana and most pecan-producing states. Description, life cycle, damage and control information included. (PDF Format Only)
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.