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柱锈属Cronartium的锈孢子表面形态,曾被描述为“粗疣状”、“中庸疣状”、“中庸或偶尔粗疣状”和“细疣状”等等~([2,3,8,10])。然而,这些描述因受光学显微镜的限制,远远不能满足目前对于菌种鉴别或研究孢子表面形态的个体发育和功能工作的要求。 Mielke和Cochran~([7])曾用透射电镜研究了Cronartium属的3种松干锈菌的锈孢子表面形态。他们观察到这些种的锈孢子都具有环纹的柱状突起(疣),并发现种间存在着重要的形态差异。
The surface morphology of the rust spores of Cronartium was described as “rough verrucous”, “moderate verrucous”, “moderate or occasionally rough verrucous” and “warty verrucous”, etc. ~ ([2,3,8 , 10]). However, these descriptions, due to the limitations of optical microscopy, are far from meeting the current requirements of individual developmental and functional work on species identification or on spore surface morphology. Mielke and Cochran ~ ([7]) studied the surface morphology of the three spores of Tricholomia catarrhalis by transmission electron microscopy. They observed that these species of spores had ring-shaped columnar processes (warts) and found that there was an important morphological difference between the species.