Symptoms of internal dry scale in onion bulbs of diverse cultivars grown in the semiarid PNW in 2014 and 2015.
Photo Source: Lindsey du Toit, Washington State University, and onion growers in the Columbia Basin
Symptoms of internal dry scale in onion bulbs of diverse cultivars grown in the semiarid PNW in 2014 and 2015.
Photo Source: Lindsey du Toit, Washington State University, and onion growers in the Columbia Basin