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  1. All Publications
All Publications
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Publications
  • Jun 2018
    Phymatotrichopsis Root Rot in Pecan
    Publication (PDF, 2.22MB)
    Authors: Jiahuai Hu
    Phymatotrichopsis root rot (abbreviated as PRR) is commonly referred to as Cotton root rot, Phymatotrichum root rot, Texas root rot, or Ozonium root rot. This pathogen is prevalent in all of major pecan production areas in Arizona.
  • Jun 2018
    Pecan Bacterial Leaf Scorch
    Publication (PDF, 1.21MB)
    Authors: Jiahuai Hu
    Pecan bacterial leaf scorch (PBLS) is an important and chronic disease that affects pecan in Arizona, as well as other pecan production regions of the United States. This article discusses the disease.
  • Jun 2018
    Vegetable Diseases Caused by Phytophthora capsici in Arizona
    Publication (PDF, 2.27MB)
    Authors: Jiahuai Hu
    Phytophthora capsici is responsible for some of the most important diseases of peppers and cucurbits worldwide. The diseases are commonly referred to as Phytophthora blight, Phytophthora crown and root rot, Phytophthora fruit rot, and damping of.
  • Jun 2018
    Managing Scorpions
    Publication (PDF, 677KB)
    Authors: Dawn H. Gouge, Shujuan (Lucy) Li, Christopher Bibbs, and Shaku Nair
    This article discusses the three most prevalent scorpions found in Arizona and describes each of them. Tips are given on how to live with and manage scorpions.
  • May 2018
    Impact of Bagrada Bug on Desert Cole Crops: An Eight Year Summary
    Publication (PDF, 327KB)
    Authors: John C. Palumbo
    The bagrada bug became a major pest of cole crops since 2010. This report consists of information gathered through surveys over eight years and shows what some of the trends are regarding the bagrada bug over that time period.
  • 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.
  • May 2018
    Spider Mites in Melons 2018
    Publication (PDF, 173KB)
    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.
  • May 2018
    Cotton Stem Blight and Boll Rot
    Publication (PDF, 779KB)
    Authors: Jiahuai Hu
    Cotton stem blight and boll rot is caused by the necrotrophic fungus Sclerotinia sclerotiorum. This pathogen can attack hundreds of plant species including many important agricultural crops such as vegetables, legumes, sunflowers, canola, many flowering bedding plants, and stone fruits.
  • May 2018
    School Preparation Guidance for Summer Management Teams
    Publication (PDF, 587KB)
    Authors: Janet Hurley, and Dawn H. Gouge
    Featuring Summer Preparation Guidance for Summer Management Teams. Includes suggestions for: Teachers, Custodians, Food service personnel, IPM Professionals, Facility managers, Landscape and groundskeepers and everyone else.
  • May 2018
    Scorpions of the Desert Southwest United States
    Publication (PDF, 2.16MB)
    Authors: Dawn H. Gouge, Shujuan (Lucy) Li, Christopher Bibbs, and Shaku Nair
    Scorpions are predatory arachnids related to spiders, mites, and ticks. They are some of the oldest known terrestrial arthropods (animals with an external skeleton, a segmented body, and paired jointed limbs). Scorpions have an elongated body and a segmented tail that ends in a stinger that can deliver a venomous sting.
  • 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.
  • 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.
  • Mar 2018
    Spring Preemergence Weed Control in Lawns
    Publication (PDF, 597KB)
    Authors: Dave Kopec and Kai Umeda
    Featuring Spring Pre-emergency Weed Control in Lawns. Suggestions on how to treat for weeds in a proactively rather than a reactively.
  • Mar 2018
    Mosquito and Tick Repellents
    Publication (PDF, 1.6MB)
    Authors: Dawn H. Gouge, Shujuan (Lucy) Li, Shakunthala (Shaku) Nair, Kathleen Walker, and Christopher Bibbs
    Mosquitoes and ticks are medically significant pests that affect the health and wellbeing of Arizona residents. They can cause a variety of health problems due to their ability to vector (transfer) viruses and other disease-causing pathogens.
  • 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.
  • Feb 2018
    IPM for Microorganisms – Focus on Flu Part 2 – February 2018
    Publication (PDF, 328KB)
    Featuring IPM for Microorganisms - Focus on Flu Part 2. The Flu is widespread across America during Flu season. Suggestions are given on how to prepare for and react to to the Flu if contracted. You cannot catch the Flu from your cat or dog.

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ARIZONA PEST MANAGEMENT CENTER
University of Arizona
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Maricopa Agricultural Center

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