OSU Extension Service »

OSU Extension Catalog

Dennis A. Johnson

Dennis A. Johnson

Publications authored or co-authored by Dennis A. Johnson

Image of Silver Scurf Management in Potatoes publication

PNW 596

Silver Scurf Management in Potatoes

Revised April 2013

Image of Managing Late Blight on Irrigated Potatoes in the Pacific Northwest publication

PNW 555

Managing Late Blight on Irrigated Potatoes in the Pacific Northwest

Published February 2003