File:Mosaic and streak viruses of the potato (IA mosaicstreakviru00macl) p28 Fig. 21.png

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English: Left, normal leaf of Nicotiana debneyi. Right, vein clearing caused in N. debneyi by Potato virus S (PVS), genus Carlavirus
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Source File:Mosaic and streak viruses of the potato (IA mosaicstreakviru00macl).pdf (extracted using Greenshot SW, grayscale and enhanced using MS Office Picture Manager)
Author D. J. MacLeod. Original by R. H. Bagnall
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Public domain This Canadian work is in the public domain worldwide because it was subject to Crown copyright and was first published before December 31, 1973.

According to Public Works and Government Services Canada / Travaux publics et Services gouvernementaux Canada, Canada has no intention of renewing expired Crown Copyright works in any country, and consequently the URAA does not apply. An email is on record at ticket:2013122310013986.


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current11:55, 21 March 2021Thumbnail for version as of 11:55, 21 March 2021698 × 706 (431 KB)Ernsts (talk | contribs)Uploaded a work by D. J. MacLeod. Original by R. H. Bagnall from File:Mosaic and streak viruses of the potato (IA mosaicstreakviru00macl).pdf (extracted using Greenshot SW, grayscale and enhanced using MS Office Picture Manager) with UploadWizard

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