四川马尾松疱锈病病原菌及转主寄主的初步研究

A Preliminary Study on Pathogen and Alternate Hosts of Masson Pine Blister Rust of Sichuan Province

马尾松疱锈病是我省马尾松中幼林分的毁灭性枝干病害。经系列实验证明马尾松疱锈病菌的转主寄主为芍药科的山芍药（ Ｐａｅｏｎｉａ ｏｂｏｖａｔａ Ｈａｘｉｍ ），病原菌为松芍柱锈菌（ Ｃｒｏｎａｒｔｉｕｍ ｆｌａｃｃｉｄｕｍ （ Ａｌｂ． ｅｔ Ｓｃｈｗ ．） Ｗ ｉｎｔｅｒ）。

The blister rust of Pinus massoniana is an important disease in Sichuan Province.A series of investigation and experiments shows that the pathogenic fungus of masson Pine blister rust is Cronartium flaccidum (Alb.et Schw.)Winter,and the fungus alternate host is Paeonia obovata Haxim.