Seeing red!

摘要

This paper describes the disease symptoms of red band needle blight, and the life cycle of its causal agent, Dothistroma pini [Mycosphaerella pini]. This blight is an economically important disease which causes premature needle defoliation, resulting in loss of yield and, in several cases, tree death. Over 60 pine species are reported to be prone to the disease but in the UK, the Corsican pine (Pinus nigra car. laricio) is the most affected..