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Prepared microscope slide: Erysiphe t.s. host asci. Blumeria is a genus of fungus. Many members of this genus are plant pathogens and are causative of powdery mildew on cereals and other grasses. Blumeria were previously called erysiphe.
Kingdom: Fungi / Division: Ascomycota / Class: Leotiomycetes / Order: Erysiphales / Family: Erysiphaceae / Genus: Blumeria .
Also known as Erysiphe and Oidium.
The main image of Blumeria t.s. host asci is at 40x. Additional images are at 100x and 400x. All images were illuminated using the Pedersen Dual Quarter Wave Technique (PDQWT)*.
Click here for a view of Blumeria t.s. host asci at 100x.
Click here for a view of Blumeria t.s. host asci at 400x.
*The Pedersen Dual Quarter Wave Technique (PDQWT) involves placing over the source of illumination a pair of one quarter wave polarizing surfaces that are rotated, one against the other, to control the amount of back light on a prepared microscope slide.
This slide was prepared by Harris Biological Supplies # B.2-313. It has been used in an unknown classroom setting. From the quality of the work, and the general appearance, it is estimated to have been prepared prior to 1960.
Forensics Lab Supply Number 3863390.
To view archives of other Historic Prepared Slides, CLICK HERE.
This slide is placed here primarily so that everyone with an interest would be able to view it as though viewing through a microscope.
Image copyright held by Alan J. Pedersen.
Tags: Prepared microscope slide; Prepared slide
Not made in China.
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