Publications

Agricultural Publications

Mar 2018

Adoption of proactive resistance management practices to control Bemisia tabaci in Arizona and California

Publication (PDF, 385KB)

Authors: Naomi Pier, Al Fournier, John Palumbo, Yves Carrière, Wayne Dixon, Lydia Brown, Steven J. Castle and Nilima Prabhaker, Peter C. Ellsworth

The goal of this project was to prepare pest managers to proactively manage whitefly resistance at the landscape level by providing them with Basic education on the 1st principles of resistance management and Insecticide use Maps.
Mar 2018

Corn Earworm Management on Desert Produce - March 2018

Publication (PDF, 272KB)

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.
Mar 2018

Thrips Management in Desert Leafy Vegetables - 2018

Publication (PDF, 152KB)

A chart detailing various insecticides and the efficacy against Thrips on Desert Leafy vegetables. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Larvae stage. There is also a brief note for each of the insecticides.
Feb 2018

Foxglove Aphids on Desert Produce 2018

Publication (PDF, 360KB)

Authors: John C. Palumbo

This article describes the Lettuce Aphid. It covers it's physical description, economic damage, insecticidal control, and methods for identifying this insect.
Feb 2018

Aphid Management in Desert Produce Crops ‐ February 2018

Publication (PDF, 162KB)

Authors: John C. Palumbo

A chart detailing various insecticides and the efficacy against different species of Aphids. Each insecticide is rated at Good, Fair, and Poor, and is shown for each listed Aphid species. There is also a brief note for each of the insecticides.
Feb 2018

Stripe Rust of Small Grains

Publication (PDF, 689KB)

Authors: Jiahuai Hu and Mike Ottman

Stripe rust was reported for the first time on barley in Arizona in 1993. The disease is caused by the basidiomycete fungus Puccinia striiformis. Stripe rust appears as yellow orange stripes between the veins of the leaf blades. The disease increases water use, shrivels the grain, and decreases yield.
Jan 2018

Aphid Management in Desert Produce Crops ‐ January 2018

Publication (PDF, 152KB)

Authors: John C. Palumbo

A chart detailing various insecticides and the efficacy against different species of Aphids. Each insecticide is rated at Good, Fair, and Poor, and is shown for each listed Aphid species. There is also a brief note for each of the insecticides.
Nov 2017

Aphid Management on Head Lettuce Using Imidacloprid and Foliar Insecticides 2017

Publication (PDF, 191KB)

Authors: John C. Palumbo

The objective of these studies was to evaluate control of aphids on head lettuce using either foliar-applied insecticides, soil-applied insecticides or a combination of both. The conclusion was: depending on aphid pressure during the spring growing season, imidacloprid soil applications may or may not provide season long control of aphids.
Nov 2017

Corn Earworm Management on Desert Produce - November 2017

Publication (PDF, 252KB)

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.
Nov 2017

Lepidopterous Larvae Management in Desert Produce Crops, 2017

Publication (PDF, 120KB)

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 2017

Aphid Identification on Desert Lettuce

Publication (PDF, 1.68MB)

This documents contains an in depth guide to identifying Aphids most commonly found in Arizona produce. There are many images present to aid in identification. Aphid types include: Lettuce Aphid, Foxglove Aphid, Green peach Aphid, and Potato Aphid.
Oct 2017

Efficacy of Foliar Insecticides Against Diamondback Moth - Fall 2017

Publication (PDF, 144KB)

Authors: John Palumbo

This experiment was made to test the efficacy of Foliar insecticides against Diamondback Moths. The conslusion was that the spinosyns, Exirel and Sniper (bifenthrin) have provided the most consistent control thus far
Sep 2017

Bagrada Bug Management Tips - 2017

Publication (PDF, 370KB)

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 2017

Guidelines for Diamondback Moth Management in Fall Cole Crops

Publication (PDF, 295KB)

Authors: John C. Palumbo

This article gives some recommendations on managing Diamondback moths in fall cole crops. These guidelines were prepared in response to the diamondback moth (DBM) outbreaks that occurred in Arizona in 2016-17.
Aug 2017

Insect Management on Desert Produce and Melons: Pests at Stand Establishment 2017

Publication (PDF, 591KB)

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 2017

Weather Can Have Major Impact on Insects 2017

Publication (PDF, 143KB)

Authors: John C. Palumbo

Local weather patterns have a significant impact on insect abundance in our cropping system. Components of weather, mainly temperature and moisture, can either promote insect population growth or cause populations to decline. This article explains some of these patterns.
Jul 2017

Interactions Between Insects & Weeds in Desert Crops - 2017

Publication (PDF, 354KB)

Authors: John C. Palumbo

There is a positive correlation between weeds and insects. This article describes the relationship between weed management and insects. It details how weeds can be a refuge for beneficial insects and how they can also act as a reservoir for insect pests. The impact that weeds have on insecticide application is also discussed.
Jun 2017

Impact of Diamondback Moth Outbreaks on Arizona Cole Crops in 2016‐17

Publication (PDF, 283KB)

Authors: John C. Palumbo

The diamondback moth is one of the most important pests of cole crops worldwide and annually causes $3-5 billion dollars in economic loses due to direct yield losses and control costs. 2016 Arizona had an outbreak. This article contains the results of surveys that tried to assess how much damage was done.
Jun 2017

Insect Management on Desert Melons: Whiteflies 2017

Publication (PDF, 472KB)

Authors: John C. Palumbo

This article descibes the sweetpotato whitefly (SWF) in great depth and their relation to Desert Melons. It includes it's history of development and damages it has caused. The article also describes the management of SWF, including sampling/monitoring, natural/biological control, cultural practices, and insecticidal control.
May 2017

Insecticide Usage on Desert Lettuce, 2016-17

Publication (PDF, 290KB)

Authors: John C. Palumbo

A total of 20 surveys were completed of insecticide usage on desert lettuce, representing an estimated total of 33,562 fall acres and 33,469 spring lettuce acres from Yuma and neighboring Imperial County. This article concludes that selective reduced risk insecticides will continue to play an increasing role in management of pests in desert lettuce.

ARIZONA PEST MANAGEMENT CENTER