The PAT CHAT Newsletter

Below is an archive of past PAT CHAT Newsletters. Due to COVID-19 we are sending out periodic articles and mass communications. To join the distribution list, please contact the UW PAT Program ( and let us know, or, click the box that says you want to get the newsletter the next time you order training materials online.

November 2022

October 2022

May 2022

November 2021

October 2021

September 2021

August 2021

April 2021

February 2021

January 2021

December 2020

October 2020

September 2020

August 2020

 June 2020

February 2020

November 2019

August 2019

May 2019

February 2019

November 2018

August 2018

  • Help Track and Identify Brown Marmorated Stink Bugs and Ticks with New Apps
  • Comments Wanted on Updated Aquatic Invasive Species Management Plan
  • Black Widows: The Hermits of Door County
  • What Is New At The UW PAT Program
  • Waterhemp and Palmer Amaranth: An Interview with Dr. Rodrigo Worle
  • Cinch Bug: How a Tiny Insect Helped the Rise of Dairy in Wisconsin
  • Recent Court Decision Bans Agricultural Use of Chlorpyrifos, Again

May 2018

  • Manual Updates and Revisions for 2018
  • English/Spanish Videos on Chemical Safety and WPS Greenhouse Worker Safety Now Available
  • 2018 Wisconsin Cropping Systems Weed Science Survey – Where are we at?
  • Emerald Ash Borer Quarantine is Now Statewide
  • Dicamba / Auxin Training Update
  • Wisconsin Clean Sweep
  • Pesticide Misuse Cases For 2017
  • Online Courses and Registration Instructions

February, 2018

  • Glyphosate “Not Likely” to Cause Cancer in Humans According to the EPA
  • Turf, Landscape and Natural Areas Pesticide Applicators: Don’t Forget the Landscape Registry!
  • EPA Open Comment Period for Neonicotinoid Insecticides
  • WPS Respiratory Protection Guide Available
  • Reciprocal Applicator Licensing

November, 2017

  • New Study Manuals for 2018
  • How to Become a Certified Crop Advisor
  • UW Pesticide Applicator Training (PAT) Training / Review Commercial Season
  • Dicamba Products Registered for Use over Dicamba Tolerant Soybean
  • Registration of The ZAP Male Mosquito
  • Pesticide Applicator Training with Simultaneous Spanish.

August, 2017

  • Rain and Pesticide Storage Concerns
  • New Genetic Tool for Corn Rootworm Control One Step Closer to Use
  • Dicamba: in Wisconsin.
  • Weathering the Emerald Storm: EAB in Wisconsin
  • Brown Marmorated Stink Bug
  • Reminder of No Atrazine Use after July 31
  • CREP Deadline Approaching; Flooded Lands Good Candidates

May, 2017

  • Isoxaflutole Use Limited to 12 Wisconsin Counties
  • Bulk Orders of A3646 Pest Control In Wisconsin Fields
  • WPS – Employee access to application information
  • DATCP Proposes Special Local Need Registration for Two Pesticides in Wisconsin
  • Water Soluble Packets (WSP)
  • Know Your Enemy: The Importance of Proper Pest Identification
  • Corn Rootworm Resistance to Bt Corn
  • Times are Changing, but Illegal Pesticide Residues Remain the Same
  • Pesticide Labels from the Internet

February, 2017

  • New Rules for Pesticide Certification and Training
  • A Great Question – “Is there a list of hazardous pesticides?”
  • Pest Management in Wisconsin Field Crops, A3646
  • Four New Pesticide Safety Training Manuals in 2017
  • Recycle Your Empty Pesticide Containers — For Free!
  • EPA Calls for Stronger Safety Measures for Paraquat Use
  • Sulfoxaflor is back on the Market with Limited Uses
  • New Technology and New Things to Think About
  • EPA Pesticide Registration Test Guidelines.

November, 2016

  • 2017 Training & Review Schedule
  • Pesticide Applicator Training With Simultaneous Spanish Translation
  • New Revisions for 2017
  • New Mode of Action Being Investigated – RNA Inhibition
  • Now Available, an Aquatic & Mosqtuito, Category 5.0 Online Course
  • Brown Marmorated Stink Bug Found in Wisconsin Ag Crops for the First Time
  • Pesticide Resistance Part II: Managing Resistance
  • Onlline WPS Train the Trainer Online Course
  • New Worker Protection Standard “How to Comply” Manuals Available Online
  • EPA Registering Dicamba Formulation for Use in Dicamba Tolerant Soybeans

August, 2016

  • Coming Soon, Aquatic & Mosqtuito Onlline Course
  • Drone Use in Agriculture and New FAA Regulations
  • Certification and Training Update
  • Pesticide Resistance Part I: Some Basics.
  • Wild Parsnip, an expanding problem along roadsides in Wisconsin
  • Poly Tanks
  • Poison Control Center’s Annual Report
  • EPA Proposes to Strengthen Requirements On Use of Paraquate to Prevent Poisonings
  • Farmers Considering Ditching or Tilling Need to Check Wetland Rules First
  • Drift Reports Around the New Technology

May, 2016

  • EPA Extends Comment Period on Dicamba Proposal
  • Draft Risk Assessments for Five Pesticides, Including Aldicarb and Coumaphos, Available for Public Comment
  • The Name Game in the Weed World
  • Potato Growers May be Allowed to Use Linex Herbicide on Sandy Soils
  • EPA Provides List of Pesticides to Fight Varroa Mites in Honey Bee Hives
  • The Changing Faces of Pesticide Labels
  • Signs, Signs, Everywhere There’s Signs
  • Pesticide Applicator Certification and Licensing in Wisconsin
  • Zika: An Issue in Wisconsin?

February, 2016

  • Pesticide Service Container Clarification
  • Mean High Watermark, What Does It Mean?
  • What is the Point of a Test
  • Rodent Bait Placement
  • Agricultural Use of Chlorpyrifos Could End
  • An Agreement Between Bayer Crop Science and DATCP on Isoxaflutole Has Been Met
  • Urban Chemigation and Misting Systems
  • Turf, Landscape and Natural Areas Pesticide Applicators: Don’t Forget the Landscape Registry!
  • WPS Annual Training, What Needs to be Covered
  • DriftWatch: A Tool for Applications to Help Avoid Drift Issues
  • Wisconsin’s Pollinator Plan Comment Period is Open

November, 2015

  • Upcoming Training Season for 2016
  • Certification & Training Rule Changes, in a Little More Detail
  • The Creation of Wisconsin’s First Pollinator Protection Plan is Under Way
  • Resources for Using Intergrated Pest Management in Schools
  • The Pitfalls of Record keeping
  • Notifying Your Clients About Pesticide Applications
  • WPS Update

August, 2015

  • New Certification & Training Rules Proposed by EPA Will Lead to Changes in Wisconsin’s Rules
  • The Pesticide Applicator Certification System (PACS) Phone Number is Going Away
  • EPA Solicits Proposals for Integrated Pest Management in Schools
  • Active Ingredient Propoxur May be Cancelled
  • Need Your Test Number to Get Your Results Faster
  • The Worker Protection Standard (WPS)

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