An endophytic fungus resistance to penicillin was isolated from Hyacinthus orientalis by culturing on a preliminary screening medium and it vitro cultured and its anti-microbial activity was detected.

• 摘要通过用初筛培养基培养，从风信子叶子中分离出一种抗青霉素的内生菌，进行离体培养和抑菌活性检测。