Mark Shour

Articles by this author

The revised publication includes the life stages affected by systemic insecticides, two new professional products and proper use to protect insect pollinators. It also highlights two pesticides that protect the ash tree for two years.

By: Mark Shour and Laura Jesse Iles

Iowa State University Extension and Outreach specialists have released an updated version of the publication "Emerald Ash Borer Management Options" (PM 2084) to provide tips for preventive treatments for healthy ash trees.

By: Mark Shour

Iowans who want to protect their ash trees have options for a brief time this spring. However, the options apply only to valuable and healthy ash trees within 15 miles of a known infestation of emerald ash borer.

By: Mark Shour and Laura Sternweis

An updated version of the Iowa Commercial Pesticide Applicator Manual for Ornamental and Turfgrass Pest Management Category 3 OT is available from Iowa State University Extension and Outreach.

By: Mark Shour

An updated version of the Category 3 Greenhouse Pest Management – Iowa Commercial Pesticide Applicator Manual (CS 0015B) is available from Iowa State University Extension and Outreach. The newly revised publication covers the plant pathogens, insects, mites and weeds common in Iowa’s greenhouse settings and the strategies used in managing these pests.

By: Mark Shour

A trio of publications available through Iowa State University Extension and Outreach offers instruction for using pesticides to homeowners and commercial greenhouse employees alike.

By: Mark Shour and Donald Lewis and Betsy Buffington

The ISU Extension and Outreach Pesticide Safety Education Program will hold a series of commercial applicator continuing instruction course  trainings throughout Iowa during Spring 2019.

By: Kristine Schaefer and Betsy Buffington and Mark Shour and Kathy Wilson