用白化菌系作标记,发现在小麦叶片上,小麦条锈菌不同小种间可发生芽管结合并形成结合体。染核观察发现,结合体内有1～4个细胞核。研究结果表明,在多小种共存的自然条件下,不同小种的夏孢子在小麦叶片上发生芽管结合,可能是小麦条锈菌发生异核作用的重要方式之一。 With albino bacteria for marking, found in wheat leaves, wheat stripe rust can occur between different races of germ tube combination and the formation of a combination. Dyed nuclear observations found that the body has 1 to 4 nuclei. The results showed that under the natural conditions in which multiple races coexisted, the germination of germinating spores from different races occurred on wheat leaves, which may be one of the important ways for heterotrophic effects of wheat stripe rust.