A Master Gardeners’ recommendations are made only after consulting research based information. Oregon State University’s premier Horticulture program is the first check when addressing a gardening question. The PNW’s – Pacific Northwest Pest Managment Handbooks are consulted routinely.
Pesticide Safety – | Pacific Northwest Pest Management Handbooks (pnwhandbooks.org)
Always Read the Label
The single most important approach to pesticide safety is to read the pesticide label before each use and then follow the directions. If still in doubt after reading the label, contact a person qualified to help evaluate the hazard of the chemical and its use. Qualified people include extension specialists, county educators, pesticide product representatives, and retailers.

PNW – Plant Disease Management Handbook – Plant Disease Management Handbook | Pacific Northwest Pest Management Handbooks (pnwhandbooks.org)

PNW – Insect Management Handbook – Insect Management Handbook | Pacific Northwest Pest Management Handbooks (pnwhandbooks.org)

PNW – Weed Management Handbook – Weed Management Handbook | Pacific Northwest Pest Management Handbooks (pnwhandbooks.org)