The information contained in this article was presented at the LSU Pecan Research Station as part of the program of the Louisiana Pecan Growers Association Annual Conference held in Shreveport, LA on June 15-16, 2006. Demonstration plots of many of the herbicides were shown to participants and general information about each herbicide discussed. A general overview of pecan orchard floor management is given and herbicides labeled for use in pecan orchards are listed by site activity.

This article provides instructions on when and how to collect leaf samples for pecan nutritional analysis.

Pecan phylloxera are found throughout the native pecan-producing regions of the United States. Beginning in mid-April, galls (knots) begin to appear on the leaf veins, leaf rachises, catkins, current season's shoot growth and nuts of the pecan. Damage, description, life cycle and control information is included. (PDF Format Only)

Two species of yellow aphids are found on pecans in Louisiana and in all pecan-producing states. Descripton, life cycle, damage and control information is included. (PDF Format Only)

Stink bugs and leaffooted bugs are found throughout the pecan-producing regions of the United States. They can be found throughout Louisiana. Description, life cycle, damage and control measures are included. (PDF Format Only)

This June issue provides information on when to spray for nut scab control. Helpful information on June drop and pecan phylloxera is also included. Directions on how to collect leaves for leaf sampling are listed. A related file on "Seasonal Occurrence of Pecan Insects" is attached.

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.

At this time of year, a frequently asked question is, “When should I make the first fungicide application on my pecan orchard?” This is an important decision, and not always one with an easy answer.

The March issue of In A Nutshell includes information on: Pecan Phylloxera, May Beetles, Fungicide Application: When to Begin?, Pecan Seminar April 30, 2009 , Pecan Show and an Insecticide Chart.

The November issue of In a Nutshell provides updates on the Louisiana and United States pecan crop, harvest, prices, and hurricane disaster assistance. It also includes information on the 2008-2009 Louisiana State Pecan Show.