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Vegetable IPM Updates Archive

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Insect Management

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Plant Pathology

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Areawide Insect Trapping Network

View The Most Recent Vegetable IPM Updates

Insect Management

Apr 30, 2025

Action Threshold for Desert Produce Crops
Apr 16, 2025

Whitefly Management on Spring Melons (2025)
Apr 2, 2025

Spider Mites on Spring Melons (2025)
Mar 19, 2025

Insecticide Modes of Action and IRM (2025)
Mar 5, 2025

Late-season Western Flower Thrips Management in Lettuce
Feb 19, 2025

Aphids Holding on Strong in Desert Produce
Feb 5, 2025

Don’t Forget Corn Earworm in Lettuce
Jan 22, 2025

Avoid Seed Corn Maggots in Spring Melons (2025)
Jan 8, 2025

Keep an Eye Out for Aphids (2025)
Dec 11, 2024

Review of Pest Pressure on Produce and Melon Crops - Fall 2024
Nov 27, 2024

Weather Impacts Insect Abundance and Activity
Nov 13, 2024

Current Pest Status in Desert Produce Crops
Oct 30, 2024

Stay Ahead of Diamondback Moth in the Desert
Oct 16, 2024

Be Prepared for Corn Earworm in Lettuce (2024)
Oct 2, 2024

Sustaining Insecticide Performance ……Rotation, Rotation, Rotation
Sep 18, 2024

The Fall Produce Season in the Desert Has Begun
Sep 4, 2024

Do You Need to Worry About Bagrada Bugs on Fall Crops?
Aug 21, 2024

Diamondback Moth in the Desert – Like a Box a Chocolates
Aug 7, 2024

Protecting Crops at Stand Establishment (2024)
Jul 24, 2024

Management Guidelines for Whiteflies and CYSDV on Fall Melons in 2024

Specialty Crops

Apr 2, 2025

Natural and Semi-Natural Habitats Enhance Natural Enemy Conservation and Biological Control Efficacy
Jan 22, 2025

Optimizing Water and Nitrogen for Aphids Control
Dec 11, 2024

Efficacy of Selected Organic Insecticides Against Western Flower Thrips and Bean Thrips in Head Lettuce
Nov 27, 2024

Supplying Excessive Water and Nitrogen Favors Aphid Infestations
Nov 13, 2024

Efficacy of Selected Organic-Allowed Bioinsecticides Against Beet Armyworm and Diamondback Moth
Oct 30, 2024

Alternative Bioinsecticides for Whitefly Control in Organic Brassicas
Oct 16, 2024

Bioinsecticide Alternatives for Pale Striped Flea Beetles Management in Organic Brassica
Oct 2, 2024

Organic Insecticides and Target Vegetable Insect Pests
Sep 18, 2024

A Brief Reminder of Some IPM Techniques
Sep 4, 2024

Organic Insecticide Alternatives and Beneficial Insect Trials Coming Up This Fall Growing Seasons at the Yuma Ag. Center
Aug 21, 2024

Understanding the Evolution of Resistance in Insect
Aug 7, 2024

University of Wisconsin-Madison: Technology for digital monitoring of insect pests in crops
Jul 24, 2024

The Impacts of Water and Nutrient Management on Aphids Control
Jul 10, 2024

Resistant variety: A Fundamental Tool for Managing Difficult-to-Control Pests in Organic Crops
Jun 26, 2024

Push-Pull Strategies: Effective Integrated Pest Management Tools
Jun 12, 2024

IPM Techniques for Organic Crop Production
May 29, 2024

An Effective Way to Enhance Biological Control in Your Organic Farms

Weeds

Nov 27, 2024

Thank You
Nov 13, 2024

Broccoli Herbicide Trial – Results
Oct 30, 2024

Come Look at The Broccoli Herbicide Trial
Oct 16, 2024

Weeds in Lettuce
Oct 2, 2024

Trial Pics (2024)
Sep 18, 2024

Weed Germination Calendars
Sep 4, 2024

Summer Grasses
Aug 21, 2024

Cole Crop Herbicide Evaluations
Aug 7, 2024

EPA Emergency Order Suspending Registrations of Dacthal (DCPA)
Jul 24, 2024

How Much Time Needed Before Planting Lettuce
Jul 10, 2024

Injury from Pursuit and Raptor Carryover
Jun 26, 2024

Onions / Opinions
Jun 12, 2024

Weed’s Survival
May 29, 2024

Coulter's Spiderling
May 15, 2024

Water Loss by Weeds
May 1, 2024

Sharpen Pre-harvest Application in Wheat
Apr 17, 2024

Fleabane Trial
Apr 3, 2024

“Your Comments: Napropamide and Dacthal”
Mar 20, 2024

Napropamide (Devrinol) Trials
Mar 6, 2024

Weed Control Session SW Ag Summit Yuma

Plant Pathology 2019 - Present

Apr 30, 2025

Fair Winds and Following Seas, Dr. Bindu-Poudel
Mar 19, 2025

2024 Fusarium Wilt of Lettuce Field Trial Results
Mar 5, 2025

Botrytis Crown Rot of Lettuce (2025 b)
Feb 19, 2025

Frost Injury in Vegetable Crops (2025)
Feb 5, 2025

Botrytis Crown Rot of Lettuce (2025)
Jan 22, 2025

Bacterial Leaf Spot of Beets (2025)
Jan 8, 2025

Downy Mildew of Onions (2025)
Dec 11, 2024

Late blight of Celery (2024-b)
Nov 27, 2024

Downy Mildew of Lettuce (2024)
Nov 13, 2024

Bacterial Soft Rot in Lettuce (2024-b)
Oct 30, 2024

Diseases of Cole crops
Oct 16, 2024

2024 Powdery Mildew of Melon Fungicide Trial
Oct 2, 2024

2024 Downy Mildew of Spinach Fungicide Trial
Sep 18, 2024

2023-2024 Sclerotinia Drop of Lettuce Fungicide Trial
Sep 4, 2024

2023-2024 Powdery Mildew of Lettuce Fungicide Trial
Aug 21, 2024

2023-2024 Downy Mildew of Lettuce Fungicide Trial
Aug 7, 2024

2023 Fusarium wilt of Lettuce Field Trial
Jul 24, 2024

Weed Hosts of Plant Viruses (2024)
Jul 10, 2024

Virus transmission: Part III (2024)
Jun 26, 2024

Virus transmission: Part II (2024)

Plant Pathology 2010 - 2019

Dec 11, 2019

High Threat Level for Downy Mildew
Nov 27, 2019

Plant Pathogen Resistance to Fungicides - Nov, 2019
Nov 13, 2019

Effect of Weather on Plant Disease Development
Oct 29, 2019

Downy Mildew 2019
Oct 16, 2019

Comparison of Two Lettuce Wilt diseases
Oct 2, 2019

Fusarium Wilt of Lettuce 2019
Sep 18, 2019

Managing Sclerotinia Drop of Lettuce With Fungicides 2019
Sep 4, 2019

Soil-borne Lettuce Pathogens - Sep, 2019
Aug 21, 2019

Plant Produced Chemicals Help Keep Diseases in Check - 2019
Aug 7, 2019

Survival of Plant Pathogens in The Desert
Jul 24, 2019

Summer soil flooding as a management tool for Sclerotinia lettuce drop 2019
Jul 10, 2019

Soil Solarization: A Management Tool for Lettuce Fusarium Wilt
Jun 26, 2019

Sudden Wilt and Death of Melon Plants 2019
Jun 12, 2019

Melon Powdery Mildew 2019
May 29, 2019

Comparing Fungicides for Lettuce Powdery Mildew Management
May 15, 2019

Comparison of Melon Powdery Mildew Fungicides
May 1, 2019

Melon Powdery Mildew - 2019
Apr 17, 2019

Lettuce Powdery Mildew Fungicides Evaluated
Apr 3, 2019

The Ups and Downs of Downy Mildew Severity
Mar 20, 2019

Gray Mold -2019

Mechanization

Apr 30, 2025

Controlling Large Palmer Amaranth in the Crop Row with Finger Weeders
Apr 16, 2025

Finger Weeders for In-row Weed Control
Apr 2, 2025

FarmWise Restructuring Business and Shutting Down Operations
Mar 5, 2025

New Technologies for Pest Control at the 2025 Southwest Ag Summit
Feb 19, 2025

Innovations in Weed Control and Crop Production Technologies at the 2025 Southwest Ag Summit
Feb 5, 2025

Upcoming Farm Equipment/Ag Trade Shows (2025)
Jan 22, 2025

On-Farm Demonstrations of Soil Steaming for Weed and Disease Control in Spinach
Jan 8, 2025

PBS News Hour Report: Arizona Farmers Forced to Adapt as Main Water Source Dries Up
Dec 11, 2024

Crop Contamination from Gulls
Nov 27, 2024

Western Growers Case Study – Stout Smart Cultivator
Nov 13, 2024

Today - The Desert Difference: A Showcase of Ag Tech Field Day - Today
Oct 30, 2024

The Desert Difference: A Showcase of AgTech Opportunities for Growing in the Desert– Field Day
Oct 16, 2024

Camera Guided Shift Hitch and Finger Weeders (2024)
Oct 2, 2024

On-Farm Demonstrations of Soil Steaming for Weed and Disease Control
Sep 18, 2024

Mechanical Weed Control in Vegetable Production – A Pre-Recorded Seminar
Sep 4, 2024

FIRA USA 2024 - Autonomous Farming and Agricultural Robotics Solutions Forum
Aug 21, 2024

Soil Steaming for Weed and Disease Control: Demos on Your Farm (2024)
Aug 7, 2024

Ag Automation/Mechanization Technologies: Reader Suggestions (2024)
Jul 24, 2024

The Desert Difference: A Showcase of AgTech Opportunities for Growing in the Desert
Jul 10, 2024

New Technologies at UC’s 2024 Automated Technology Field Day

Areawide Insect Trapping Network

Apr 2, 2025

Area wide Insect Trapping Network (April 2, 2025)
Mar 19, 2025

Area wide Insect Trapping Network (March 19, 2025)
Mar 5, 2025

Area wide Insect Trapping Network (March 5, 2025)
Feb 19, 2025

Area wide Insect Trapping Network (February 19, 2025)
Feb 5, 2025

Area wide Insect Trapping Network (February 5, 2025)
Jan 22, 2025

Area wide Insect Trapping Network (January 22, 2025)
Jan 8, 2025

Area wide Insect Trapping Network (January 8, 2025)
Dec 11, 2024

Area wide Insect Trapping Network (December 13, 2024)
Nov 27, 2024

Area wide Insect Trapping Network (November 27, 2024)
Nov 13, 2024

Area wide Insect Trapping Network (November 13, 2024)
Oct 30, 2024

Area wide Insect Trapping Network (October 30, 2024)
Oct 16, 2024

Area wide Insect Trapping Network (October 16, 2024)
Oct 2, 2024

Area wide Insect Trapping Network (October 2, 2024)
Sep 18, 2024

Area wide Insect Trapping Network (September 18, 2024)
Sep 4, 2024

Area wide Insect Trapping Network (September 4, 2024)
Aug 21, 2024

Area wide Insect Trapping Network (August 21, 2024)
Aug 7, 2024

Area wide Insect Trapping Network (August 7, 2024)
Jul 24, 2024

Area wide Insect Trapping Network (July 24, 2024)
Jul 10, 2024

Area wide Insect Trapping Network (July 10, 2024) Published
Jun 26, 2024

Area wide Insect Trapping Network (June 26, 2024)

Biometeorology

Dec 11, 2019

Leaf Wetness Network - Dec 11, 2019
Nov 27, 2019

Leaf Wetness Network - Nov 27, 2019
Nov 13, 2019

Leaf Wetness Network - Nov 13, 2019
Oct 2, 2019

Leaf Wetness Network - Oct 2, 2019
Sep 18, 2019

Leaf Wetness Network - Sep, 18 2019
Sep 4, 2019

Leaf Wetness Network - Sep 4, 2019
Aug 21, 2019

Leaf Wetness Update - Aug 21, 2019
Aug 7, 2019

Leaf Wetness Update - Aug 7, 2019
Jul 24, 2019

Leaf Wetness Update - Jul 24, 2018
Jul 10, 2019

Leaf Wetness Update - Jul 10, 2019
Jun 26, 2019

Leaf Wetness Update - Jun 26, 2019
Jun 12, 2019

Leaf Wetness Network - Jun 12, 2019
May 29, 2019

Leaf Wetness Update - May 29, 2019
May 15, 2019

Leaf Wetness Update - May 15, 2019
May 1, 2019

Leaf Wetness Update - May 1, 2019
Apr 17, 2019

Leaf Wetness Update - Apr 17, 219
Apr 3, 2019

Leaf Wetness Update - Apr 3, 2019
Mar 20, 2019

Leaf Wetness Update - Mar 20, 2019
Mar 6, 2019

Leaf Wetness Update - Mar 6, 2019
Feb 6, 2019

Leaf Wetness Update - Feb 6, 2019

Soil Science

Apr 30, 2025

2025 Spring Melon (Cantaloupe) Crop Progress
Apr 16, 2025

Development of the 2025 Spring Melon (Cantaloupe) Crop
Apr 2, 2025

Tracking Cantaloupe (Melon) Crop Growth and Development
Mar 19, 2025

Soil Health: Biological Diversity
Mar 5, 2025

Summary - Future of the Colorado River
Feb 19, 2025

Future of the Colorado River – Southwest Ag Summit
Feb 5, 2025

Colorado River Basin-Wide Negotiations for the New 2026 Operational Guidelines
Jan 22, 2025

4R Nutrient Management (2025)
Jan 8, 2025

Soil Health – Summary of the Nutrient Mobility Concept
Dec 11, 2024

Soil Health – Bray’s Nutrient Mobility Concept and Immobile Plant Nutrients
Nov 27, 2024

Soil Health – Bray’s Nutrient Mobility Concept and Mobile Plant Nutrients
Nov 13, 2024

Soil Health – Nitrogen Reactions and Availability
Oct 30, 2024

Soil Health – Nitrogen
Oct 16, 2024

Soil Health – Liebig’s Law of the Minimum
Oct 2, 2024

Vegetable Crop Root Systems (2024)
Sep 18, 2024

Essential Plant Nutrients
Sep 4, 2024

Basic Root System Development (2024)
Aug 21, 2024

Salinity and Sodicity – Field Management Basics
Aug 7, 2024

American Perceptions on Personal Water Requirements
Jul 24, 2024

The Powell Map

Other Updates

Organic Crops

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