Doupnik B, Jones O H, Peckham J C
Appl Microbiol. 1971 Oct;22(4):732-3. doi: 10.1128/am.22.4.732-733.1971.
Six isolates of Helminthosporium maydis, obtained from southern leaf blight-damaged corn, were grown separately on autoclaved corn and fed to chicks and mice to evaluate their toxigenicity. Two-, three-, and four-week-old culture filtrates from three pathogenic isolates grown separately on modified Fries medium were also evaluated for toxigenicity. None of the invaded corn samples or culture filtrates affected the weights of chicks or mice when compared to controls. Postmortem examinations did not reveal significant gross lesions. H. maydis was not toxigenic under our experimental conditions.
从南部叶枯病感染的玉米中分离出的6株玉米长蠕孢菌，分别在高压灭菌的玉米上培养，然后喂给雏鸡和小鼠以评估其产毒性。还对在改良弗里斯培养基上分别培养的3株致病分离株的2周、3周和4周龄培养滤液进行了产毒性评估。与对照组相比，没有一个受侵染的玉米样本或培养滤液影响雏鸡或小鼠的体重。死后检查未发现明显的大体病变。在我们的实验条件下，玉米长蠕孢菌不产毒。
