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Jan 2019

Keys to Effective Aphid Management in Leafy Vegetables

Publication (PDF, 152KB)

Authors: John C. Palumbo

Aphids can significantly reduce the yield and quality of leafy vegetables. This article outlines some key ways to manage Aphid population on leafy vegetables.
Jan 2019

Zinc Management in Arid Region Pecan Orchards

Publication (PDF, 1.2MB)

Authors: Dr. Jim Walworth and Dr. Richard Heerema

Zinc nutrient deficiencies in pecan trees can cause several symptoms. Rosetting caused by shortened internodes, Interveinal chlorosis, and necrosis of young leaves are among them. This article gives some suggestions on how to mange your zinc applications.
Jan 2019

Economic Value of Arthropod Biological Control

Publication

Authors: Naranjo, S.E., G.B. Frisvold, Peter C. Ellsworth
Dec 2018

Promoting the Use of Predators

Publication (PDF, 5.7MB)

Authors: Peter C. Ellsworth, Naomi Pier, Alfred J. Fournier, Steven E. Naranjo, Timothy Vandervoet

New research has identified critical levels of predators that impact economic spray decisions for whiteflies. By working with the beneficials found naturally within a field, reliance on chemical controls could effectively be reduced.
Dec 2018

Fall Melon Fields charts 2019

Publication (PDF, 522KB)

Authors: John C. Palumbo

Contains several charts and graphs depicting pressures on fall melons over the last few years.
Oct 2018

Insect Trapping Trends

Publication (PDF, 170KB)

Authors: John C. Palumbo

This document contains charts derived from six years of insect trapping, with the intent of helping illustrate any trends. Insects included in this publication include: Whiteflies, Beet Armyworm, Cabbage looper, Corn Earworm, Thrips, and Aphids.
Oct 2018

Crop Protection & Pest Management Program Saves Lives, Dollars and the Environment in Arizona

Publication (PDF, 2.5MB)

Authors: Arizona Pest Management Center (APMC)

This piece highlights impacts of University of Arizona Extension IPM programs, funded by USDA National Institute of Food and Agriculture (NIFA).
Oct 2018

Lepidopterous Larvae Management in Desert Produce Crops, 2018

Publication (PDF, 118KB)

Authors: John C. Palumbo

A chart detailing various insecticides and the efficacy against Lepidopterous Larvae. Each insecticide is rated at Good, Fair, and Poor, and is shown for Beet armyworm, Cabbage looper, Corn earworm, and Diamondback moth respectively. There is also a brief note for each of the insecticides.
Oct 2018

Corn Earworm Management on Desert Produce - October 2018

Publication (PDF, 273KB)

Authors: John C. Palumbo

This article describes the Corn Earworm and where it can be found. It covers it's physical description, economic damage, insecticidal control, and methods for identifying this insect.
Oct 2018

Diamondback Moth Management in Desert Cole Crops, Spring 2019

Publication (PDF, 572KB)

Authors: John C. Palumbo

List of Guidelines prepared in response to the diamondback moth (DBM) outbreaks that occurred in 2016-17 in Arizona. Following these guidelines can help keep the moths from spreading. There is also a list of insecticides and their respective efficacy against DBM.
Oct 2018

Flea-borne Typhus

Publication (PDF, 399KB)

Authors: Shujuan (Lucy) Li and Dawn H. Gouge

Featuring Flea-borne Typhus is discussed including symptoms and diagnosis. Typhus is generally not fatal, but if left untreated the death rate can reach as high as 40%. Prevention of flea-borne typhus is discussed.
Sep 2018

Bagrada Bug Management Tips - 2018

Publication (PDF, 372KB)

Authors: John C. Palumbo

Contains information on how to manage the Bagrada bug. Includes: where they tend to hide, how to scout them out, what their feeding signs look like, and tips regarding chemical control.
Sep 2018

Guidelines for Diamondback Moth Management in Desert Cole Crops -2018

Publication (PDF, 460KB)

Authors: John C. Palumbo

List of Guidelines prepared in response to the diamondback moth (DBM) outbreaks that occurred in 2016-17 in Arizona. Following these guidelines can help keep the moths from spreading. There is also a list of insecticides and their respective efficacy against DBM.
Sep 2018

Vegetable Planting Calendar for Maricopa County

Publication (PDF, 634KB)

Authors: Kai Umeda

In the low desert regions of the southwest, including Maricopa County, most any type of vegetables and fruits can be grown successfully when appropriate varieties are selected and planted at the right time. The climate, the season, and potential pests all impact the selection of what to plant when.
Sep 2018

Managing Fire Ants

Publication (PDF, 664KB)

Authors: Dawn H. Gouge

Describes Fire Ants and other types of ants. Includes things like how painful their sting is, general behaviors that they exhibit and how to manage them more efficiently.
Aug 2018

2018 Guidelines for Whitefly / CYSDV Management on Fall Melons

Publication (PDF, 614KB)

Authors: John C. Palumbo

The sweetpotato whitefly, Bemisia tabaci can transmit many types of plant viruses. Since 2006, this pest has been responsible for vectoring cucurbit yellow stunting disorder virus (CYSDV) in fall melons throughout the growing regions of Arizona and southern California.
Aug 2018

Diamondback Moth on Desert Cole Crops in 2017

Publication (PDF, 410KB)

Authors: John C. Palumbo

In 2016 there was a outbreak of Diamondback Moths. This article covers a bit of the history of that outbreak and how the were handled in the subsequent year. The event was partially documented by some surveys found in this article.
Aug 2018

Insect Management on Desert Produce and Melons: Pests at Stand Establishment 2018

Publication (PDF, 592KB)

Authors: John C. Palumbo

There are many insects that can be found on Desert Produce and Melons. This Article covers the description, damage, and Management/Control of the following insects: Flea Beetles, Darkling Beetles, Field crickets, Saltmarsh Caterpillar, Ground Beetles, and Rove Beetles.
Aug 2018

Longhorned Tick, a New Invasive Tick in the United States

Publication (PDF, 4.27MB)

Authors: Shujuan (Lucy) Li, Dawn H. Gouge, Kathleen Walker, Alfred J. Fournier

The longhorned tick, Haemaphysalis longicornis, also known as Asian longhorned tick, cattle tick or bush tick, native to East Asia, is a recent invasive tick species in the United States. It is important to be on the lookout for this tick in Arizona.
Aug 2018

Beware of Fire Ant Stings

Publication (PDF, 618KB)

Authors: Shujuan (Lucy) Li

A Fire ant sting can hurt. The severity of the pain can vary from person to person. Some sensitive individuals may consider carrying an EpiPen to be safe. Includes instructions of what you should do if you are stung and how to prevent getting stung.

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