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  1. Agricultural IPM
  2. Vegetables
  3. Vegetable Outputs
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Vegetable Outputs
Vegetable Publications
  • Sep 2020
    Goss’s Bacterial Wilt and Leaf Blight of Corn
    Publication
    Authors: Jiahuai Hu
    Goss’s bacterial wilt and leaf blight (Goss’s wilt) was first recorded in Nebraska in the late 1960s and is now distributed widely in most states throughout the Corn Belt. The disease was first detected on field corn in southeastern Arizona in 2018.
  • Sep 2020
    Alternaria Leaf Spot of Cotton
    Publication
    Authors: Jiahuai Hu and Randy Norton
    Alternaria leaf spot of cotton is also known as Alternaria leaf blight. The disease was first identified in cotton in the US in 1918 and is now distributed worldwide. Alternaria leaf spot has been considered a minor disease in the cotton growing areas of Arizona.
  • Jun 2020
    Do Antimicrobial Water Sanitizers Affect Insecticide Efficacy in Desert Produce?
    Publication (PDF, 520Kb)
    Authors: John C. Palumbo
    Food safety issues have become increasingly important in the production of leafy vegetables in the desert. Recent concerns about microbial contamination of produce grown in the desert prompted the Arizona Leafy Greens Marketing Agreement (AZLGMA) to develop new Food Safety Guidelines for lettuce and leafy greens.
  • Jun 2020
    Ten Years of Bagrada Bug on Desert Cole Crops
    Publication (PDF, 618Kb)
    Authors: John C. Palumbo
    The bagrada bug, Bagrada hilaris, became a major pest of cole crops in the fall of 2010 where widespread out breaks of the invasive stinkbug pest were reported throughout the desert SW. The resulting yield losses in broccoli, cauliflower, cabbage, and other Brassica crops were economically significant.
  • May 2020
    Weed Interference with Insect Management in Desert Crops 2020
    Publication (PDF, 886Kb)
    Authors: John C. Palumbo
    Effective weed management is critical for the profitable production of vegetable crops in the desert southwest for all the obvious reasons. However, weed management is also essential for another important, but often overlooked reason.
  • 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?
  • Sep 2019
    2019 Guidelines for Diamondback Moth Management in Desert Cole Crops
    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.
  • Sep 2019
    Bagrada Bug Management Tips - 2019
    Publication (PDF, 467KB)
    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 2019
    Diamondback Moth on Desert Cole Crops: Survey Results from 2016-2018
    Publication (PDF, 597KB)
    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 next two years. The event was partially documented by some surveys found in this article.
  • Aug 2019
    Insect Management on Desert Produce and Melons: Pests at Stand Establishment 2019
    Publication (PDF, 784KB)
    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.
  • 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
    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).
  • May 2019
    Nine Years of Bagrada Bug on Desert Cole Crops
    Publication (PDF, 531KB)
    Authors: John C. Palumbo
    The bagrada bug, became a major pest of cole crops in the fall of 2010. The following contains the summaries surveys performed on an annual basis since 2010, aiming to estimate the severity of bagrada bug on direct-seeded and transplanted cole crops, and the intensity of chemical management required to control it.
  • May 2019
    Weed Interference with Insect Management in Desert Crops
    Publication (PDF, 844KB)
    Authors: John C. Palumbo
    Effective weed management is critical for the profitable production of vegetable crops in the desert southwest for all the obvious reasons. However, weed management is also essential for another important, but often overlooked, reason.
  • May 2019
    Spider Mites in Melons 2019
    Publication (PDF, 146KB)
    Authors: John C. Palumbo
    Twospotted spider mites, are widespread on melon crops throughout the southwestern U.S. This report describes their appearance, the type of damage they usually cause, and methods of management.
  • 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.
  • Apr 2019
    Lettuce Aphid on Late Season Produce - 2019
    Publication (PDF, 1.1MB)
    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. Very little has been reported about Lettuce Aphids under desert conditions.
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Vegetable Presentations
  • Sep 2016
    Documenting Reductions in Pesticide Risk
    Presentation (PDF, 3.6MB)
    Authors: Alfred Fournier, Peter Ellsworth, Wayne Dixon, John Palumbo, Paul Jepson and Michael Guzy
    Location Presented: International Congress of Entomology, Orlando
  • Apr 2015
    Status of Insect Pests on Lettuce in Arizona: Economic Impacts and Management
    Presentation (PDF, 777KB)
    Authors: John C. Palumbo
  • Jan 2015
    Better Pesticide Use Data Means Better Resources for Growers
    Presentation (PDF, 2.26MB)
    Authors: Fournier, A., P. Ellsworth, W. Dixon.
    Location Presented: Presented at Field Crops Clinic, Marana, Buckeye & Casa Grande
  • Nov 2013
    Making Sense of Genetically Modified Crops
    Presentation (PDF, 2.89 MB)
    Authors: Ellsworth, P.
    Location Presented: Presented at the Arizona Highlands Garden Conference in Miami, AZ.
  • Mar 2012
    22 years of agricultural pesticide use data reveal dramatic reduction in broad-spectrum insecticides
    Presentation (PDF, 1418KB)
    Authors: Fournier, A., P. Ellsworth, W. Dixon, J. Palumbo, J. Peterson.
    Location Presented: University of Arizona, Department of Entomology & Arizona Pest Management Center. 7th International IPM Symposium, Memphis, TN.
  • Nov 2010
    Management Tips for Insects in Desert Vegetables
    Presentation (PDF, 2.92MB)
    Authors: John C. Palumbo
    Location Presented: Yuma Ag Center
  • Mar 2010
    The Bagrada Bug, a New Invasive Pest of Cole Crops
    Presentation (PDF, 1.78MB)
    Authors: John Palumbo
    Location Presented: Yuma Ag Center
  • Jan 2010
    Update on management of Powdery mildew on melons
    Presentation (PDF, 2.06MB)
    Authors: Michael Matheron
    Location Presented: Yuma Agricultural Center
  • Jun 2008
    Vegetable Weed Control in the Desert
    Presentation (PDF, 5.58MB)
    Authors: Barry Tickes
    Location Presented: Yuma Agricultural Center
  • Aug 2004
    Fusarium Wilt of Leafy Greens: Managing a Challenging Disease
    Presentation (PDF, 2.5MB)
    Authors: Matheron, M.
    Location Presented: Fall Produce Pest Management Meeting, Yuma Civic and Convention Center, 1440 W. Desert Hills Drive, Yuma, AZ.
  • May 2004
    Powdery mildew management for melons: Fungicide mode of action
    Presentation (PDF, 2.3MB)
    Authors: Matheron, M.
    Location Presented: Desert Ag Conference, The Property, Casa Grande, AZ.
  • Dec 2003
    Management Strategies for Lettuce Drop in Arizona and California
    Presentation (PDF, 440KB)
    Authors: Barry Pryor
  • Dec 2003
    Cyst Nematode on Cole Crops
    Presentation (PDF, 2.16MB)
    Authors: Westerdahl, R.
    Location Presented: 14th Annual Desert Crops Workshop, Holtville, California.
  • Dec 2003
    Sclerotinia Control in Lettuce
    Presentation (PDF, 2.85MB)
    Authors: Pryor, B.
    Location Presented: 14th Annual Desert Crops Workshop, Holtville, California.
  • Dec 2003
    Recent Work on Fusarium Wilt of Lettuce
    Presentation (PDF, 2.12MB)
    Authors: Matheron, M.
    Location Presented: 14th Annual Desert Crops Workshop, Holtville, California.
  • Dec 2003
    Onion Disease Management
    Presentation (PDF, 441KB)
    Authors: Turini, T.
    Location Presented: 14th Annual Desert Crops Workshop, Holtville, California.
  • Oct 2003
    Lygus Control, New Chemistry & Crop Loss Reporting
    Presentation (PDF, 2.9MB)
    Authors: Ellsworth, P.
    Location Presented: Presented at Desert Ag Conference, The Property, Casa Grande, AZ.
  • Sep 2003
    Review of Current and Potential Management Tools for Powdery Mildew on Melon Crops
    Presentation (PDF, 282KB)
    Authors: Matheron, M.
    Location Presented: Horticulture Integrated Pest Management Seminar, Pinal County Cooperative Extension Office, Casa Grande, AZ.
  • Dec 2002
    Soilborne Diseases of Melon and Watermelon
    Presentation (PDF, 82KB)
    Authors: Olsen, M.
    Location Presented: Annual Desert Crop Workshop, Yuma, AZ.
  • Dec 2002
    Resistance to Fusarium Wilt in Lettuce (1st half of presentation) Fall Melon Virus (2nd half of presentation)
    Presentation (PDF, 691KB)
    Authors: McCreight, J.
    Location Presented: Annual Desert Crop Workshop, Yuma, AZ.

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ARIZONA PEST MANAGEMENT CENTER
University of Arizona
College of Agriculture and Life Sciences
Maricopa Agricultural Center

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