Presentation Transcript
Slide 1:Sporogenesis and Dissemination
of Basidiospores Dr. S.K. Chile
Slide 2:A Basidium with two heterokarytic nuclei.
Slide 3:Two heterokarytic nuclei in movement and waiting their turn for fusion.
Slide 4:Fusion of two heterokarytic nuclei thus a diploid zygotic nucleus is formed.
Slide 5:In Basidium Meiotic division of zygotic nucleus starts.
Slide 6:In Basidium Meiotic division of zygotic nucleus starts.
Slide 7:In Basidium second Meiotic division of zygotic nucleus starts.
Slide 8:In Basidium after Meiotic division four daughter nuclei two of each strain are formed.
Slide 9:In Basidium daughter nuclei are ready to move to the sterigmeta for sporogenesis .
Slide 10:In Basidium daughter nuclei are moving to the sterigmeta.
Slide 11:Basidiospore genesis on sterigmeta.
Slide 12:Nuclei move to newly formed Basidiospores.
Slide 13:The newly formed Basidiospores.
Slide 14:The thickening in the wall of Basidiospores.
Slide 15:Dissemination of Basidiospores by water droplet method.
Slide 16:Dissemination of Basidiospores by water droplet method.
Slide 17:Dissemination of Basidiospores by water droplet method.
Slide 18:Dissemination of Basidiospores by water droplet method.
Slide 19:Bulk of Basidiospores being disseminated.
Slide 20:Bulk of the disseminated Basidiospores.
Slide 21:The End Dr. S. K. Chile