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This document describes the diseases that occur most frequently on pecan trees in Louisiana.
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)
The most important cultural practice the homeowner with pecan trees needs to consider is proper fertilization. This publication includes information and guidelines for fertilizing pecan trees. (PDF Format Only)
This document describes the diseases that occur most frequently on pecan trees in Louisiana.
The key components of the effective use of fungicides for pecan disease control are timing, coverage and concentration. The updated 2015 fungicide list is included.
The hickory shuckworm is distributed throughout most of the area where pecans are grown – from South Carolina to Texas and Oklahoma. In Louisiana, the hickory shuckworm is found throughout the state. (PDF format only)
Pecan variety recommendations for yards and small, unmanaged plantings.
The following list contains contact information for nurseries that sell pecan trees and/or propagation wood. The list is furnished for your information with the understanding that no discrimination is intended and no guarantee of reliability is implied.
This article provides instructions on when and how to collect leaf samples for pecan nutritional analysis.
This is a discussion that should help in making the yearly decision on when to begin the pecan fungicide application program.
This article is a copy of a paper presented at the National Pecan Scientists Meeting in Branson, Missouri, in July 2005.
Overcrowded trees may be the number one cause of decreased nut production in older orchards through the southern United States.
Four-flap Grafting Method
This document provides a step-by-step procedure for hot water treatment of pecan scion wood to eliminate the bacterial leaf scorch pathogen.
The information contained in this article was presented at the March 31, 2006, Pecan Clinic near Cloutierville, La. The objectives for pruning damaged trees are listed and several types of pruning cuts are defined.
An illustrated fact sheet describing the life cycle of the fall webworm. Included in the article is a description of the insect, the damage it causes and suggestions for control.
Information and images describing the appearance and life cycle of pecan leaf scorch mite. Information on damage and control are also included in the article.
An illustrated fact sheet describing the appearance and life cycle of the pecan nut casebearer. A description of the damage and information on monitoring pecan nut casebearer activity are included.
A general overview of pecan orchard floor management is given and herbicides labeled for use in pecan orchards are listed by site activity.
The key components of the effective use of fungicides for pecan disease control are timing, coverage and concentration. The updated 2015 fungicide list is included.
An illustrated fact sheet describing the life cycle of stink bugs and leaffooted bugs known to attack pecans in Louisiana. Included in the article is a description of the damage caused by these insects and information on their control.
An illustrated fact sheet describing the appearance and life cycle of the pecan weevil. Information on damage and control are also included.
An illustrated fact sheet describing the appearance and life cycle of the hickory shuckworm. Information about damage and control are included.
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.
An illustrated fact sheet describing two types of traps that can be used to monitor seasonal activity of the nut curculio in pecan orchards. This fact sheet describes how to build and use both types of traps.
An illustrated fact sheet describing the appearance and life cycle of the walnut caterpillar. Included in the article is information on damage and control.
An illustrated fact sheet describing the appearance and life cycle of the pecan spittlebug. A description of the damage caused by the pecan spittlebug and sampling information are included.
An illustrated fact sheet describing the appearance and life cycle of the black pecan aphid. A description of the damage and information on sampling are included.
The most important cultural practice the homeowner with pecan trees needs to consider is proper fertilization. This publication includes information and guidelines for fertilizing pecan trees. (PDF Format Only)
Current insecticide recommendations for commercial pecan orchards in Louisiana. This illustrated guide provides information on insecticides, rates of application and timing of applications. For each insect listed, a photo of the insect, damage caused by the insect or both are provided.
Pecan Personnel Portal
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.
