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Vegetable IPM Publications

View All Vegetable IPM Publications

Jun 2019

Insecticide Usage on Desert Lettuce, 2018-2019

Publication (PDF, 512KB)

Authors: John C. Palumbo

A total of 28 surveys were completed of insecticide usage on desert lettuce, representing an estimated total of 33,275 fall acres and 35,156 spring lettuce acres from Yuma and neighboring Imperial Counties (Holtville/Brawley/BardWinterhaven).
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).
Mar 2019

Corn Earworm Management on Desert Produce - 2019

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

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.
Jun 2018

Insecticide Usage on Desert Lettuce, 2017-18

Publication (PDF, 328KB)

Authors: John C. Palumbo

A total of 25 surveys were completed of insecticide usage on desert lettuce, representing an estimated total of 44,180 fall acres and 37,720 spring lettuce acres from Yuma and neighboring Imperial County. This article concludes that the reduced risk insecticides will continue to play an increasing role in management of pests in desert lettuce.
May 2018

Interactions Between Insects & Weeds in Desert Crops - May 2018

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.
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.
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.
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.
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.
Apr 2017

Insecticide Usage on Desert Lettuce, 2015-16

Publication (PDF, 225KB)

Authors: John C. Palumbo

A total of 22 surveys were completed in the 2016 workshop, representing an estimated total of 28,650 fall acres and 29,920 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, but some broad spectrum products such as pyrethroids still will be needed.
Feb 2017

Corn Earworm Management on Desert Produce - February 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.
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.
Oct 2016

Insecticide Resistance Management Guidelines for Lepidopterous Larvae in Lettuce

Publication (PDF, 1.23MB)

Authors: John C. Palumbo

This article contains a figure illustrating some of the chemical management options for beet armyworm, cabbage looper, and corn earworm. With suggestions on how to apply the chemical control.
Sep 2016

Lepidopterous Larvae Management in Desert Produce Crops, September 2016

Publication (PDF, 139KB)

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.
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).
May 2016

Interactions Between Insects & Weeds in Desert Crops - 2016

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.
Feb 2016

Corn Earworm Management on Desert Produce - February 2016

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.
Feb 2016

Lepidopterous Larvae Management in Desert Produce Crops, February 2016

Publication (PDF, 294KB)

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.
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.
Oct 2015

Lepidopterous Larvae Management in Desert Produce Crops, Oct 2015

Publication (PDF, 149KB)

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, and Corn earworm respectively. There is also a brief note for each of the insecticides.
Apr 2015

Lepidopterous Larvae Control in Desert Melon Crops, Apr 2015

Publication (PDF, 156KB)

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 and Cabbage looper. There is also a brief note for each of the insecticides.
Feb 2015

Lepidopterous Larvae Management in Desert Produce Crops, Feb 2015

Publication (PDF, 160KB)

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, and Corn earworm. There is also a brief note for each of the insecticides.
Feb 2015

Trends in Insecticide Usage on Arizona Lettuce 2014

Publication (PDF, 133KB)

A total of 22 surveys were completed in the 2014 workshop, representing an estimated total of 27345 fall acres and 24955 spring acres from Yuma and neighboring Imperial County. This article concludes that the industry has made great strides to incorporate the newer 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.
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.
Oct 2014

Lepidopterous Larvae Management in Desert Produce Crops, 2014

Publication (PDF, 152KB)

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, and Corn earworm. There is also a brief note for each of the insecticides.
May 2014

Lepidopterous Larvae Management in Desert Melon Crops, 2014

Publication (PDF, 111KB)

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 and Cabbage looper. 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

Lepidopterous Larvae Management in Desert Produce Crops, 2013

Publication (PDF, 143KB)

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, and Corn earworm and Diamondback moth. There is also a brief note for each of the insecticides.
Jun 2013

Insect * Weed Interactions in Vegetable Crops

Publication (PDF, 77KB)

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.
May 2013

Lepidopterous Larvae Management in Desert Melon Crops, 2013

Publication (PDF, 119KB)

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, and Cabbage looper. There is also a brief note for each of the insecticides.
Aug 2012

Insecticide Resistance Management Guidelines for Beet Armyworm in Lettuce

Publication (PDF, 505KB)

Authors: John C. Palumbo

This article contains a figure illustrating some of the chemical management options for beet armyworm. With suggestions on how to apply the chemical control.
Apr 2012

Interactions between Insects and Weeds in Vegetable Crops

Publication (PDF, 77KB)

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.
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

Lepidopterous Larvae Management in Desert Leafy Vegetables and Cole Crops 2010

Publication (PDF, 137KB)

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.

Vegetable IPM Publications

ARIZONA PEST MANAGEMENT CENTER