有多种寄生真菌侵害巴西橡胶的割面,引起不同程度的树皮腐烂。其中以棕榈疫霉、葡萄疫霉和甘薯长喙壳所引起的割面病害最为普遍与严重。腐皮镰孢和可可球二孢真菌所引起的割面坏死病虽然很普遍,但并不严重。棕榈疫霉也能侵染某些无性系胶树上没有割胶的树皮,引起茎部溃疡。至今还我有人报道过刺盘孢属的 A variety of parasitic fungi damage Brazilian rubber cut surface, causing different degrees of bark decay. Including Phytophthora capsici, Phytophthora capsici and sweet potato long beak shell caused by the most common and serious cutting disease. Although cutaneous necrosis caused by Fusarium solani and Coccidioides coccinea is common, it is not serious. Phytophthora capsici can also infect the bark of some clones of gums without tapping, causing stem ulcers. So far I have reported that the genus Septoria