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Vegetable IPM Publications

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Nov 2019

Weather Influences Desert Insect Pests

Publication (PDF, 179KB)

Authors: John C. Palumbo

Local weather patterns can have a significant impact on the abundance of insect pests in vegetable crops, particularly in the southwestern U.S. where weather extremes are the norm. Components of weather, mainly temperature, moisture, and wind can either promote insect population growth or cause populations to decline. As we approach the normal cool, dry weather of winter, growers can expect insect activity to decrease. Why is that?
Jul 2019

2019 Guidelines for Whitefly / CYSDV Management on Fall Melons

Publication (PDF, 764KB)

Authors: John C. Palumbo

CYSDV has caused significant reductions in fruit yields in the past, mainly due to the whitefly. This article gives some management guidelines for the whitefly including cultural management and chemical management.
Jul 2019

Cultural Practices for Whitefly Management in Desert Melons 2019

Publication (PDF, 71KB)

Authors: John C. Palumbo

This article outlines some ways to manage the Whitefly (SWF) population. Even though there are naturally occurring factors that lie outside the realm of control, there is still many things one can do to help reduce the population and risk of the Whitefly.
Jun 2019

Insect Losses and Management on Desert Lettuce: A 15-Year Summary

Publication (PDF, 799.9KB)

Authors: John C. Palumbo

This article details the results of a survey aimed at assessing what kind of yield losses are suffered on lettuce due to insect pests. It contains data spanning over fifteen years (2005-2019).
Apr 2019

Whitefly Management in Spring Melons - 2019

Publication (PDF, 185KB)

Authors: John C. Palumbo

A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Apr 2019

Insect Management on Desert Melons: Whiteflies 2019

Publication (PDF, 830KB)

Authors: John C. Palumbo

This article describes 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.
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.
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.
Jul 2018

Interactions Between Insects & Weeds in Desert Crops - July 2018

Publication (PDF, 356KB)

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.
Jul 2018

2017 Guidelines for Whitefly / CYSDV Management on Fall Melons

Publication (PDF, 656KB)

Authors: John C. Palumbo

CYSDV has caused significant reductions in fruit yields in the past, mainly due to the whitefly. This article gives some management guidelines for the whitefly including cultural management and chemical management.
Jun 2018

Cultural Practices for Whitefly Management in Desert Melons

Publication (PDF, 87KB)

Authors: John C. Palumbo

This article outlines some ways to manage the Whitefly (SWF) population. Even though there are naturally occurring factors that lie outside the realm of control, there is still many things one can do to help reduce the population and risk of the Whitefly.
Apr 2018

Insect Management on Desert Melons: Whiteflies 2018

Publication (PDF, 830KB)

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.
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.
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.
Dec 2016

Pest Abundance on Desert Produce and Melon Crops in 2016

Publication (PDF, 237KB)

This document contains a number of charts and graphs detailing information relating to the abundance of Whitefly, Bagrada bugs, Thrips, Beet Armyworm, Cabbage Looper, and Corn Earworm. There are also a few figures relaying temperature information.
Sep 2016

Insect Management on Desert Melons: Whiteflies September 2016

Publication (PDF, 599KB)

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.
Sep 2016

Whitefly Management in Fall Produce - 2016

Publication (PDF, 124KB)

Authors: John C. Palumbo

A chart detailing various insecticides and the efficacy against Whiteflies for fall produce. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Jul 2016

2016 Guidelines for Whitefly / CYSDV Management on Fall Melons

Publication (PDF, 547KB)

Authors: John C. Palumbo

CYSDV has caused significant reductions in fruit yields in the past, mainly due to the whitefly. This article gives some management guidelines for the whitefly including cultural management and chemical management.
Jul 2016

Insect Losses and Management on Desert Lettuce: 2004‐2016

Publication (PDF, 321KB)

Authors: John C. Palumbo

This article details the results of a survey aimed at assessing what kind of yield losses are suffered on lettuce due to insect pests. It contains data spanning over twelve years (2004-2016).
Jun 2016

Insect Management on Desert Melons: Whiteflies June 2016

Publication (PDF, 501KB)

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.
Apr 2016

Insect Management on Desert Melons: Whiteflies April 2016

Publication (PDF, 479KB)

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.
Apr 2016

Whitefly Management in Spring Melons - 2016

Publication (PDF, 124KB)

Authors: John C. Palumbo

A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Dec 2015

Pest Abundance on Desert Produce and Melon Crops in 2015

Publication (PDF, 193KB)

This document contains a number of charts and graphs detailing information relating to the abundance of Whitefly, Bagrada bugs, Beet Armyworm, Cabbage Looper, and Corn Earworm. There are also a few figures relaying temperature information.
Sep 2015

Whitefly Management in Fall Produce ‐ 2015

Publication (PDF, 290KB)

Authors: John C. Palumbo

A chart detailing various insecticides and the efficacy against Whiteflies for fall produce. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Aug 2015

Insect Management on Desert Vegetables and Melons: Whiteflies 2015

Publication (PDF, 592KB)

Authors: John C. Palumbo

This article describes the sweetpotato whitefly (SWF) in great depth and their relation to Desert Vegetables and 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.
Jul 2015

2015 Guidelines For Whitefly / CYSDV Management on Melons

Publication (PDF, 1.38MB)

Authors: John C. Palumbo

CYSDV has caused significant reductions in fruit yields in the past, mainly due to the whitefly. This article gives some management guidelines for the whitefly including cultural management and chemical management.
Jun 2015

2015 Insecticide Usage on Arizona Lettuce

Publication (PDF, 203KB)

Authors: John C. Palumbo

A total of 19 surveys were completed in the 2015 workshop, representing an estimated total of 25,905 fall acres and 26,255 spring lettuce acres from Yuma and neighboring Imperial County. This article concludes that the local produce industry has made great strides in minimizing environmental impacts in lettuce production. There have not been any major reports of field failures.
Apr 2015

Whitefly Management in in Desert Melon Crops, 2015

Publication (PDF, 169KB)

Authors: J.C. Palumbo

A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Apr 2015

Whitefly Management in Spring Melons - 2015

Publication (PDF, 159KB)

Authors: J.C. Palumbo

A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Dec 2014

New Insecticides for Desert Produce and Melons 2014

Publication (PDF, 162KB)

Authors: John C. Palumbo

This document outlines some of the new insecticides for desert produce and melons around 2014. Sequoia (Sulfoxaflor), Torac (tolfenpyrad), Exirel/Verimark (Cyazypyr), and Sivanto (flupyradifurone) are listed. Their relative efficacy against whiteflies aphids, bagrada bugs, and other insects are compared to the respective IPM standard.
Dec 2014

Pest-o-gram: Whitefly transmitted virus of cucurbits 2014

Publication (PDF, 852KB)

A new and potentially damaging whitefly-transmitted virus of cucurbits was found in the fall of 2014. Symptoms include stunting and leaf yellowing.
Nov 2014

Pest Abundance on Desert Produce and Melon Crops in 2014

Publication (PDF, 221KB)

This document contains a number of charts and graphs detailing information relating to the abundance of Whitefly, Bagrada bugs, Beet Armyworm, Cabbage Looper, and Corn Earworm. There are also a few figures relaying temperature information.
Sep 2014

Insect Management on Desert Vegetables and Melons: Whiteflies 2014

Publication (PDF, 592KB)

Authors: John C. Palumbo

This article describes the sweetpotato whitefly (SWF) in great depth and their relation to Desert Vegetables and 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.
Jul 2014

2014 Management of Whiteflies and CYSDV on Fall Melons

Publication (PDF, 328KB)

Authors: John C. Palumbo

CYSDV has caused significant reductions in fruit yields in the past, mainly due to the whitefly. This article gives some management guidelines for the whitefly including cultural management and chemical management.
Apr 2014

Whitefly Management in Desert Melons 2014

Publication (PDF, 84KB)

A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Dec 2013

New Insecticides for Desert Produce and Melons 2013

Publication (PDF, 166KB)

Authors: John C. Palumbo

This document outlines some of the new insecticides for desert produce and melons around 2014. Sequoia (Sulfoxaflor), Torac (tolfenpyrad), Exirel/Verimark (Cyazypyr), and Sivanto (flupyradifurone) are listed. Their relative eficacy against whiteflies aphids, bagrada bugs, and other insects are compared to the respective IPM standard.
Nov 2013

Pest Abundance on Desert Produce and Melon Crops in 2013

Publication (PDF, 136KB)

This document contains a number of charts and graphs detailing information relating to the abundance of Whitefly, Bagrada bugs, Beet Armyworm, and Cabbage Looper. There are also a few figures relaying temperature information.
Sep 2013

Whitefly Management in Leafy Vegetables, Cole Crops and Melons- Fall 2013

Publication (PDF, 139KB)

Authors: J.C. Palumbo

A chart detailing various insecticides and the efficacy against Whiteflies for fall produce. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Jul 2013

Area wide Incidence of Whiteflies and CYSDV In Fall Melons in Yuma County, 2007-2012

Publication (PDF, 1.77MB)

Authors: John C. Palumbo, Kurt Nolte, Yves Carriere

This is a summary of a recently completed project that was designed to survey the area wide incidence of Bemisia whiteflies and Cucurbit Yellow Stunting Disorder Virus (CYSDV) in commercial melon fields throughout the Yuma Arizona growing region.
Jun 2013

Insect Management on Desert Vegetables and Melons: Whiteflies - Jun 2013

Publication (PDF, 531KB)

Authors: John C. Palumbo

This article describes the sweetpotato whitefly (SWF) in great depth and their relation to Desert Vegetables and 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.
Apr 2013

Insect Management on Desert Vegetables and Melons: Whiteflies - Apr 2013

Publication (PDF, 494KB)

Authors: John C. Palumbo

This article describes the sweetpotato whitefly (SWF) in great depth and their relation to Desert Vegetables and 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.
Apr 2013

Whitefly Management in Desert Melons 2013

Publication (PDF, 113KB)

A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Jun 2012

Evaluation of Insecticide Tank-Mixtures as Alternatives to Endosulfan For Control of Whiteflies in Spring Melons, 2012

Publication (PDF, 185KB)

Authors: John C. Palumbo

Sue to the impending loss of the endosulfan registration on melons, a trial of several foliar insecticide alternatives was conducted. This trial was conducted against adult whiteflies in spring melons.
Apr 2012

Insect Management on Desert Vegetables and Melons: Whiteflies - 2012

Publication (PDF, 856KB)

Authors: John C. Palumbo

This article describes the sweetpotato whitefly (SWF) in great depth and their relation to Desert Vegetables and 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.
Apr 2012

Whitefly Management in Desert Melons 2012

Publication (PDF, 281KB)

A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Jul 2011

Recommendations for Management of Whiteflies, Whitefly-transmitted viruses, and Insecticide Resistance for Production of Cucurbit Crops in Florida

Publication (PDF, 661KB)

Authors: Susan E. Webb, David J. Schuster, P. A. Stansly, Jane E. Polston, Scott Adkins, Carlye Baker, Pamela Roberts, Oscar Liburd, Teresia Nyoike, Eugene McAvoy, and Alicia Whidden

Three viruses transmitted by whiteflies have been identified in watermelon, muskmelon, and squash since 2004. This article outlines some of the signs and symptoms that can be observed.
May 2010

Weather Can Have Major Impact on Insects 2010

Publication (PDF, 86KB)

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.
Feb 2010

Whitefly Management in Desert Melons 2010

Publication (PDF, 152KB)

Authors: John C. Palumbo

A chart detailing various insecticides and the efficacy against Whiteflies. Each insecticide is rated at Good, Fair, and Poor, and is shown for both the Adult and Nymph stage. There is also a brief note for each of the insecticides.
Apr 2009

Spray Timing of Spiromesifen and Buprofezin for Managing Bemisia Whiteflies in Cantaloupes

Publication (PDF, 123KB)

Authors: John C. Palumbo

This report discusses the efficacy of using Spiromesifen and Buprofezin to control whitefly population on melons and contains graphs and charts that help show the effectiveness of different rates of spraying.
May 2003

Cross-commodity Guidelines for Neonicotinoid Insecticides in Arizona

Publication (PDF, 175KB)

Authors: John C. Palumbo, Peter C. Ellsworth, Timothy J. Dennehy, Robert L. Nichols

This document outlines some of the guidlines for Neonicotinoids, which were relatively new at the time. The plans within the document aim to help keep Neonicotinoids as a cost efficient and effective form of whitefly management for the future.
Nov 2000

Whitefly Management on Desert Melons

Publication (PDF, 108KB)

Authors: John C. Palumbo, David Kerns, Kai Umeda

Of the pests that affect desert melons, the Whitefly is the most damaging. It is polyphagous (feeds on multiple plants) and migrates into melons from surrounding crops and weed hosts. This document outlines some suggestions on how to manage the Whitefly.

Vegetable IPM Publications

ARIZONA PEST MANAGEMENT CENTER