Sporogenesis and dissemination of Basidi

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Presentation Description

The slide show illustrates the development and dissemination of basidiospores on the Basidium.

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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