Holden Arboretum seeks public help to research beech leaf disease
In a Holden Arboretum greenhouse lined with rows of potted trees, researcher David Burke points to dark banding patterns on one leaf – a sign of a relatively new disease that is afflicting area beech trees and which can eventually kill them.At another pot, he points to a “twisted and contorted” bud that can result […]
Source: news-herald.com