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  1. Agricultural IPM
  2. Vegetables
  3. Vegetable Outputs
  4. Publications
Vegetable IPM Publications
  • Jan 2025
    Keys to Effective Aphid Management in Leafy Vegetables (2025)
    Publication (PDF, 180kb)
    Authors: John C. Palumbo
    For vegetable growers to successfully compete in the fresh market, they must be able to produce high quality, insect-free crops. This is particularly challenging for growers of leafy vegetables where damage by aphids can seriously reduce yield and quality. In many areas that produce lettuce, aphids are considered the most economically important insect pest found on the crop
  • Jul 2024
    Insecticide Usage on Conventional and Organic Lettuce in the Desert, 2005-2024
    Publication
    Authors: John C. Palumbo
    The development of accurate data on insecticide usage is important to the assessment of IPM programs in Arizona. A reliable estimate of insecticide use patterns is one of our most objective tools for assessing changes in management practices. This information allows us to build relevant databases for measuring user behaviors and adoption of new IPM technologies. For PCAs, it can translate their efforts into economic terms for their clientele and confirms their value to the lettuce industry by showing the importance of their cost-effective management in desert lettuce production. This summary provides estimates of insecticide use during the 2023-24 growing season and trends on lettuce IPM over the past 20 years.
  • Oct 2023
    Arizona IPM Outcomes 2023. Report to the WERA 1017 Regional Coordinating Committee
    Publication (1.28MB)
    Authors: Al Fournier, Dawn Gouge, Shujuan Li, Peter Ellsworth
    Recent impacts of APMC IPM Programs. Topics include savings to growers from thrips and Lygus resistant ThryvOn Cotton, a project to reduce use of the riskiest pesticides throughout US cotton, collaborations with tribal growers and communities to protect public health, and more.
  • Jul 2023
    Trends in Insect Losses and Management on Desert Lettuce: A 19-Year Summary
    Publication
    Authors: John C. Palumbo
    The development of accurate data on lettuce yield losses is important to the assessment of IPM programs in Arizona. Reliable estimates of yield losses caused by key insect pests occurring in lettuce is our most objective tools for assessing change in management practices. This information allows us to build relevant databases for measuring the pest status of important insect species found on desert lettuce, as well as the economic impacts they are responsible for. This information also serves as a resource to assist applied scientists in prioritizing research projects in developing IPM programs for desert lettuce. For PCAs, this data can demonstrate their efforts into economic terms for their growers, and justifies their value to the lettuce industry by showing the importance of insect pests in desert lettuce production. This summary over the past nineteen growing seasons (2004-2023) provides real world data on the pest status of key insect species, economics of insect management, and estimates of yield losses in lettuce.
  • Jun 2023
    Insecticide Usage on Conventional and Organic Lettuce in the Desert, 2022-2023
    Publication
    Authors: John C. Palumbo
    The development of accurate data on insecticide usage is important to the assessment of IPM programs in Arizona. A reliable estimate of insecticide use patterns is one of our most objective tools for assessing changes in management practices. This information allows us to build relevant databases for measuring user behaviors and adoption of new IPM technologies. For PCAs, it can translate their efforts into economic terms for their clientele and confirms their value to the lettuce industry by showing the importance of their cost-effective management in desert lettuce production. This summary provides estimates of insecticide use during the 2022-23 growing season and trends on lettuce IPM over the past 19 years.
  • Jul 2022
    Insect Losses and Management on Desert Lettuce: An 18 Year Summary
    Publication
    Authors: John C. Palumbo
  • Jun 2022
    Insecticide Usage on Conventional and Organic Lettuce in the Desert, 2021-2022
    Publication
    Authors: John C. Palumbo
    The development of accurate data on insecticide usage is important to the assessment of IPM programs in Arizona. A reliable estimate of insecticide use patterns is one of our most objective tools for assessing changes in management practices. This information allows us to build relevant databases for measuring user behaviors and adoption of new IPM technologies. For PCAs, it can translate their efforts into economic terms for their clientele and confirms their value to the lettuce industry by showing the importance of their cost-effective management in desert lettuce production. This summary provides estimates of insecticide use during the 2020-21 growing season and trends on lettuce IPM over the past 17 years.
  • 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.
  • 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.
  • Aug 2020
    Insecticide Usage on Desert Lettuce, 2019-2020
    Publication
    Authors: John C. Palumbo
    The development of accurate data on insecticide usage is important to the assessment of IPM programs in Arizona. A reliable estimate of insecticide use patterns is one of our most objective tools for assessing changes in management practices. This information allows us to build relevant databases for measuring user behaviors and adoption of new IPM technologies. For PCAs, it can translate their efforts into economic terms for their clientele and confirms their value to the lettuce industry by showing the importance of their cost-effective management in desert lettuce production. This summary provides estimates of insecticide use trends on lettuce over the past 16 years.
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ARIZONA PEST MANAGEMENT CENTER
University of Arizona
College of Agriculture and Life Sciences
Maricopa Agricultural Center

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