Extension Foundation Online Campus
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course is for those who need continuing education units (CEUs) and a certificate. Make the purchase and after the payment, you will be redirected
to the course. Upon course completion, you will be able to download the course certificate.
Course must be completed and certificate downloaded before December 30 of the current year.
To access the free version of this course without a certificate, click on the title below:
Diagnosing Herbicide Injury
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course provides a rare opportunity for professionals to gain understanding of how an herbicide injury situation can arise and to efficiently update their background knowledge of herbicide characteristics in relation to different damage patterns. The goal of this course is to provide learners with a basic guide to approach diagnosing and investigating crop injury situations known or suspected to be related to herbicides, while giving them the tools to facilitate the investigation process. This course is available for free for those who do not need Continuing Education Units.
Who should enroll?
Growers, pest control advisers, sales representatives for chemical companies, field investigators, and insurance adjusters
Continuing Education Units
California Department of Pesticide Regulation (1.5 hours Other), Certified Crop Advisor (1.5 IPM), and the Arizona Department of Agriculture (1.0 credit).
To get the Continuing Education Units certificate you will be charged a fee of $30. To encourage taking the course earlier in the year, we offer 50% off the regular price from January through October 31st – use the code ipm50 at checkout. You must download the certificate (PDF file) to receive your CEU credits.
Enrollment period
This course must be completed by December 30 of the current year. Download the certificate immediately when you complete the course. You will not be able to retrieve your certificate after December 30.
Need help?
For assistance with login, course enrollment, or payment, contact campushelp@extension.org. For assistance with progress through the course or certificate, contact creynolds@ucanr.edu.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course is for those who need continuing education units (CEUs) and a certificate of completion for the Department of Pesticide Regulation or Structural Pest Control Board. Make the purchase and after the payment you will be redirected to the course. Upon course completion you will be able to download the course certificate.
To access the free version of this course for evidence of compliance with your local county, click on the title below:
- Teacher: Darren Haver
- Teacher: Petr Kosina
- Teacher: Tammy Majcherek
- Teacher: Cheryl Reynolds
Pest management professionals and growers
For assistance with login, course enrollment, or payment, contact campushelp@extension.org. For assistance with progress through the course or certificate, contact creynolds@ucanr.edu.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course provides information on the basic principles of spray calibration, including application rate calculations, describes the components of a sprayer, and takes a look at how droplet size, nozzle type, and weather conditions influence drift and spray coverage. Also covered are conditions for pesticide applications under the 2018 Pesticide Use Near Schoolsites regulation. This course is available for free.
Who should enroll?
Anyone who works with air blast sprayers or is involved with ensuring successful pesticide applications in trees and vines. This includes pesticide handlers, pest control advisers, growers, and supervisors.
Continuing education units
California Department of Pesticide Regulation (0.5 hour Laws & Regulations and 2.0 hours Other), Certified Crop Advisor (2.0 IPM), and the Arizona Department of Agriculture (2.5 credits).
Enrollment period
For assistance with login, course enrollment, or payment, contact campushelp@extension.org. For assistance with progress through the course or certificate, contact creynolds@ucanr.edu.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
- Content Specialists: Franz Niederholzer
- Content Specialists: Lynn Wunderlich
This course is not available to the public at this time
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
Continuing Education Units
This course must be completed by December 30 of the current year. Download the certificate immediately when you complete the course. You will not be able to retrieve your certificate after December 30.
- Teacher: Darren Haver
- Teacher: Petr Kosina
- Teacher: Tammy Majcherek
- Teacher: Cheryl Reynolds
Learners will be able to describe why calibration is important and be able to list the materials and tools needed in order to calibrate equipment. They will see various examples of pesticide application equipment for liquid, granular, and soil drenching and soil injection applications. The course includes many examples of calculations needed to calibrate equipment. The course contains video so it requires a device that can play audio and video.
For assistance with login, course enrollment, or payment, contact campushelp@extension.org. For assistance with progress through the course or certificate, contact creynolds@ucanr.edu.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course is for those who need continuing education units (CEUs) and a certificate. Make the purchase and after the payment you will be redirected to the course.
Upon course completion you will be able to download the course certificate.
Course must be completed and certificate downloaded before December 30 of the current year.
To access the free version of this course without a certificate, click on the title below:
Pesticide Application Equipment and Calibration for Non-Agricultural Applications
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
For assistance with login, course enrollment, or payment, contact campushelp@extension.org. For assistance with progress through the course or certificate, contact creynolds@ucanr.edu.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course is for those who need continuing education units (CEUs) and a certificate. Make the purchase and after the payment you will be redirected to the course. Upon course completion you will be able to download the course certificate.
To access the free version of this course without a certificate, click on the title below:
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
Landscape pest management professionals, pest control advisers, and private applicators
For assistance with login, course enrollment, or payment, contact campushelp@extension.org. For assistance with progress through the course or certificate, contact creynolds@ucanr.edu.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course is for those who need continuing education units (CEUs) and a certificate. Make the purchase and after the payment you will be redirected to the course. Upon course completion you will be able to download the course certificate.
To access the free version of this course without a certificate, click on the title below:
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
Landscape pest management professionals, structural pest control operators, pest control advisers, and private applicators
For assistance with login, course enrollment, or payment, contact campushelp@extension.org. For assistance with progress through the course or certificate, contact creynolds@ucanr.edu.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course is for those who need continuing education units (CEUs) and a certificate. Make the purchase and after the payment you will be redirected to the course. Upon course completion you will be able to download the course certificate.
To access the free version of this course without a certificate, click on the title below:
The Impact of Pesticides on Water Quality
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course must be completed by December 30 of the current year. Download the certificate immediately when you complete the course. You will not be able to retrieve your certificate after December 30.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course is for those who need continuing education units (CEUs) and a certificate. Make the purchase and after the payment you will be redirected to the course. Upon course completion you will be able to download the course certificate.
To access the free version of this course without a certificate, click on the title below:
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
Landscape pest management professionals, structural pest control operators, pest control advisers, and private applicators
For assistance with login, course enrollment, or payment, contact campushelp@extension.org. For assistance with progress through the course or certificate, contact creynolds@ucanr.edu.

- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds
This course is for those who need continuing education units (CEUs) and a certificate. Make the purchase and after the payment you will be redirected to the course. Upon course completion you will be able to download the course certificate.
To access the free version of this course without a certificate, click on the title below:
Water Quality and Mitigation of Bifenthrin and Fipronil
- Teacher: Petr Kosina
- Teacher: Cheryl Reynolds