世界森林衰退病研究进展

Advances in Research in the Decline Disease of Forest

森林衰退病是近代森林病理学出现的一个新概念，目前仍处于形成和完善阶段。文中综述了衰退病的基本概念及其病原研究进展。

Decline disease of forest is a new concept developed in modern forest pathology. The decline disease differs from the epidemic or non epidemic. Even it has not widely been recognized the occurrence of this concept has significantly made impact on the development of forest pathology in terms of pathogen study that has been expanded to the idea of mono pathogen to that of multiple pathogens, even to the whole forest ecological system which is useful in revealing the development of forest disease. In this paper the basic concept and its application is reviewed and some existing problems are also discussed.