Pale-striped Flea Beetles in Young Cotton Stands (PDF, 2.2MB) April 2012
A guide to protecting young and emerging cotton from flea beetle damage and the factors to consider in determining control options.

Insect Pests of Desert-Grown Alfalfa: Egyptian Alfalfa Weevil (PDF, 2.2MB) December 2011
A guide to identification, sampling and thresholds for Egyptian alfalfa weevil.

Assassin Bugs Top the Food Web (PDF, 1.6MB) August 2011
Assassin bugs are "apex" or top predators in the cotton food web contributing to biological control of pests, including Lygus and whiteflies. Two common genera are Zelus and Sinea.

jee-AH-kor-is, Big-eyed Bugs Have Big Appetite for Pests (PDF, 1.3MB) August 2011
Two species of big-eyed bugs (genus Geocoris) prey on many pest species in cotton and other Arizona crops, providing free pest control that can be promoted through the use of selective chemistries.

Untangling the Web...Spiders in Arizona Fields! (PDF, 2.3MB) July 2011
Spiders can play an important role in arizona crop fields, contributing to the biological control of pest insects.

Keeping Cotton Green! (PDF, 608KB) July 2011
This guide describes "selectivity" and the role that selective insecticides can play in conserving natural enemies while still controlling our two key pests of cotton, whiteflies and Lygus bugs.

Soft-Bodied Collops Likes Soft Bodies (PDF, 461KB) July 2011
Beetles in the genus Collops are valuable predators in cotton. These natural enemies can be preserved in the system by using selective insecticides for whitefly and Lygus control.

$1+ Cotton? New Thresholds? (PDF, 1.9MB) June 2011
While cotton value has increased recently, an economic analysis shows that current recommended thresholds for Lygus and whitefly management in cotton are still the best approach to maximizing profit.

Drapetis: A Natural Enemy (PDF, 2.8MB) June 2011
Learn how to identify Drapetis, or dance flies. These are important and abundant predators in cotton and other crops.

Considering Roundup Ready Alfalfa (PDF, 1.38MB) October 2011
Now available for planting -- should you consider Roundup Ready alfalfa? This guide describes the advantages and disadvantages of planting Roundup Ready alfalfa and also outlines application rates.

Increasing Glyphosate Activity (PDF, 322KB) July 2011
A guide to the many glyphosate products available, and steps you can take to maximize their efficacy.

Small Grain Irrigation (PDF, 413KB) December 2011
This guide discusses irrigation issues for small grains production.

Fertilizing Small Grains (PDF, 432KB) December 2011
Guidelines are provided for rates and timing for fertilization of small grains.

Small Grain Planting Dates and Rates (PDF, 356KB) December 2011
Planting at the optimum time is probably the most important cultural practice in producing high yields of small grains. This guide discusses the impact of planting dates and seeding rates on yields and the probability of frost damage.

Pre-plant Soil Testing for Small Grains (PDF, 893KB) November 2011
For profitable production of small grains, pre-plant soil testing is critical. This guide explains how to take samples and how much fertilizer to apply, based on results.

Choosing Harvest Aid Chemicals (PDF, 334KB) September 2011
Different types of harvest aids are available to defoliate cotton and prepare the plants for a successful harvest. This guide identifies the types, rates and seasonal limits for various harvest aids.

It's All About Timing (PDF, 778KB) August 2011
While several methods may be used to determine the best timing for application of defoliants, efficiency can be enhanced by using a combination of these recommended methods.

Working with High Cotton (PDF, 692KB) July 2011
This guide outlines available mepiquat chloride products and related plant growth regulators (PGRs) for use in Arizona cotton.

Field Crop IPM Video Archive

For questions or comments on any of the publications please contact Lydia Brown, Assistant in Extension for Agronomic Crops IPM.
College of Agriculture, The University of Arizona, Tucson, AZ.