BioImages: The Virtual Field-Guide (UK)

Peronospora violacea Berk., 1860 (a downy mildew)

Record info

Date: 18 September 2007
Location: Berks, England
Voucher: 18/09/2007[E]
Record Summary: on florets of Field Scabious
Associated organism: on live corolla of Knautia arvensis
Image Reference: P71433

Please mention P71433 in any enquiries regarding this image.

Sporangia - highly magnified

Peronospora violacea Berk., 1860 (a downy mildew), Sporangia - highly magnified

Stained in Lactophenol Cotton Blue

Photography

Malcolm Storey Canon EOS10D digital SLR and Meiji microscope with x2.5 projection eye-piece.
Copyright Image Copyright © Malcolm Storey, 2007, www.bioimages.org.uk. Some rights reserved.

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Image Files available

Image P71433 exists at the following resolutions:

Type File size Image size
pixels
Screen size - inches
(MS Windows @ 90 ppi)
Screen size - inches
(Macintosh @ 72 ppi)
Print - inches
(@ 300 dpi)
Format
High Res 17,106 Kb (not recorded) - - - TIF2 file
Low Res 184 Kb 1349 by 1310 14.9 by 14.5 18.7 by 18.1 4.4 by 4.3 JPEG file
Web site (as above) (dynamic) 500 by 486 5.5 by 5.4 6.9 by 6.7 1.6 by 1.6 JPEG file

Note: The MS Windows & Macintosh screen ppi values are illustrative/traditional and may not apply to your monitor.

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Creative Commons License
Unless otherwise expressly stated, all original material on the BioImages website by
Malcolm Storey is licensed under a Creative Commons Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales