Specialization and hybridization of wheat stem rust, Puccinia graminis tritici, in Canada / by Margaret Newton and Thorvaldur Johnson. : A12-2/160-1932E-PDF
"Annual rust surveys have been made in Canada for the past twelve years to determine the prevalence of physiologic forms of Puccinia graminis tritici, but the information gathered in this period has never been brought together in published form. ... One of the objects which the writers had in view when this bulletin was undertaken was to give a comprehensive account of the results of the stem-rust surveys carried out during the period 1919 to 1930. It was also thought worth while to discuss in some detail the methods used and the technique involved in the determination of physiologic forms"--Introd., p. [3].
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| Department/Agency | Canada. Department of Agriculture. Canada. Division of Botany. |
|---|---|
| Title | Specialization and hybridization of wheat stem rust, Puccinia graminis tritici, in Canada / by Margaret Newton and Thorvaldur Johnson. |
| Variant title | At head of title: Studies in cereal diseases VIII |
| Series title | Bulletin, New series ; no. 160 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Title from cover. Historical publication digitized by the Internet Archive in 2013 [on behalf of Agriculture and Agri-Food Canada]. Includes bibliographical references. |
| Publishing information | Ottawa : Division of Botany, Dominion Experimental Farms : Department of Agriculture, 1932. |
| Author / Contributor | Newton, Margaret. Johnson, Thorvaldur. |
| Description | 60 p. : ill. |
| Catalogue number |
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| Subject terms | Cereals Plant diseases |
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