On the basis of observation results, there are two different modes of haustorium formation from the host intercellular hyphae in the pycnio- and aeciostage of Gymnosporangium haraeanum. 观察结果表明:梨胶锈菌性子期和锈子期寄主胞间菌丝吸器的形成方式有两种:一种是由寄主胞间菌丝直接形成吸器;
ULTRASTRUCTURAL STUDIES ON THE HAUSTORIUM OF GYMNOSPORANGIUM HARAEANUM IN THE PYCNIO-AND AECIOSTAGE 梨胶锈菌性孢子和锈孢子阶段吸器的超微结构研究
