红松溃疡病也叫流脂病,是北方红松(Pin-us Koraiensis Sieb. et Zucc.)人工林中新发现的一种危险性真菌病害,病原菌为松芽孢盘菌(Tympanis pitya(Karst.)Karst.,主要危害幼树主干。初病时被害树皮上生有许多松脂泡,并不断增多和增大,因泡内松脂不断积累,最后胀破泡皮,流出松脂,呈带状凝固于树干上或包围树干,厚达1-5厘米。被害严重时皮层腐烂,纵裂,干部呈梭形溃疡,或被害 Kombucha ulcer disease, also known as nosocomial disease, is a newly discovered dangerous fungal disease in the Pinus koraiensis Sieb. Et Zucc. Plantation. The pathogen is Tympanis pitya (Karst. Mainly endanger the trunk of saplings.At the beginning of illness, many pine blubber is born on the bark of the bark, and it keeps increasing and increasing because of the accumulation of turpentine in the blubber, On the trunk or surrounded by tree trunks, up to 1-5 cm thick. Cortical decay, longitudinal cracking, spindle-shaped ulcer cadres or victims