Representation of Potato Virus Y Control Strategies in Current and Past Extension Literature |
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Authors: | Thomas F. Döring Joachim Schrader Christian Schüler |
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Affiliation: | (1) Department of Ecological Plant Protection, University of Kassel, Nordbahnhofstr. 1a, 37213 Witzenhausen, Germany;(2) Department of Organic Farming and Cropping, University of Kassel, Nordbahnhofstr. 1a, 37213 Witzenhausen, Germany;(3) Present address: Imperial College London, Division of Biology, Aphid Biology Group, Silwood Park Campus, Ascot, SL5 7PY, Berkshire, UK |
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Abstract: | The aphid-vectored Potato virus Y (PVY) is currently seen as an important limiting factor in the production of potatoes in many countries. Using a content-analysis approach, we investigated the German extension literature for recommendations regarding the control of PVY. Media included articles from periodicals addressing farmers and agricultural textbooks published in the last five decades (1955–2004). In the current literature (1995–2004), the clearly dominating strategy was found to be insecticidal control, although this strategy has been subject to some criticism in the scientific literature. Over the last five decades we also found a strongly increasing representation of insecticidal strategies. Furthermore, over this period of time, information diversity, measured as the number of different strategies proposed per article or per textbook, decreased consistently. Electronic supplementary material The online version of this article () contains supplementary material that is available to authorized users. |
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Keywords: | Aphid Insecticide Knowledge transfer PVY Vector |
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