多孢子 polyspore 指红藻四分孢子体的一个孢子分裂成的数个孢子。一般四分孢子体产生四分孢子囊,有产生二分孢子囊或含有四的倍数的多个孢子的多孢子囊(poly-sporangium),也有同一个体产生四分孢子囊和多孢子囊,如丛孢藻(Spermothamnion synedrae)。关于这方面的细胞学知识还几乎近于空白。据称美丽羽枝藻(Plumaria elegans)只形成三倍体,而且孢子本身也是三倍体。
这些真菌尽可能的将蚊子死亡的过程控制得很缓慢,以达到释放出尽可能多的营养物质,这样就可以繁殖更多的真菌孢子。 “来自玛丽兰大学的昆虫学家 Raymond St. Leger这样说。
"They want to kill slowly, extracting as many nutrients as possible so they can produce more spores, " says Raymond St. Leger, an entomologist at the University of Maryland, College Park.
感病品种比抗病品种出现冬孢子的时间早,数量多,但体积小。
Teliospore appeared on susceptible varieties earlier than on resistant varieties. More but smaller teleutosorus were formed on susceptible varieties in comparison with resistant varieties.
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