Due to their rapid development and explosive rate of reproduction, aphids rank among the most important crop plant pests. They extract phloem sap from host plants and excrete the excess in the form of honeydew. In addition, many aphid species damage their hosts by transmitting viruses: aphids are virus vectors. Yield losses due to viral diseases are often more serious than the direct damage due to sap extraction.The most important vector of plant viruses worldwide is the green peach aphid, Myzus persicae. When it leaves its winter host, the peach tree, it colonizes numerous crop plants, e.g., beets, potatoes, and vegetables, and infects them with various viruses. Other aphids, such as Sitobion avenae, are specific to cereals and transmit the Barley yellow dwarf virus.In a combination of fascinating macro sequences and 3D animations, this educational film impressively illustrates the life cycle of aphids, their behavior on winter and summer hosts, and their feeding habits. The different behavior patterns during feeding probes and prolonged feeding, which influence the mode of virus transmission (non-persistent, persistent), are presented in clear, lucidly explained video sequences. A paper insert of additional references on the interactions between plant viruses and their aphid vectors during the process of virus transmission is also included.The Aphid: A Virus Vector addresses a wide audience, including lecturers, students of agronomy, biology, ecology and their related disciplines, as well as governmental and non-governmental advisory bodies, and last but not least, farmers.
Scientific AdvisorsProf. Dr. Urs Wyss, Dr. Gunnar Mölck, Dr. Gert Petersen, Institute of Phytopathology, Christian-Albrechts University Kiel, GermanyVirological Advisor:Dr. H. Josef VettenFederal Biological Research Centre for Agriculture and Forestry (BBA)Institute for Plant Virology, Microbiology and BiosafetyWith contributions by:Hans-Helmut PetersenMacro photography:Prof. Dr. Urs Wyss, Maria WagnerScientific animations:Axel Schultz, Sven RabeProduction Manager:Nikolaus W. WeissenhornWritten and directed by:Dr. Trude Hard, Dr. Rolf P. StummVideo Production:STUMM-FILM Dr. Rolf Stumm Medien GmbH
2004 Comenius Award
The oldest German and European Award for excellent educational media, the Comenius Award is given annually by The Society for Pedagogy and Information, a renowned scientific society for multimedia, educational technology, and media didactics. The recipient of this prize is selected in an independent review process according to didactic and scientific merit.
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Aphids: A Virus Vector is protected by copyright and its use is limited. It may be shown to, or viewed by, groups within a classroom or educational presentation setting, but may not be made available via local area network (LAN) without permission (permission for LAN also requires an additional LAN license fee). It may not be copied, or otherwise duplicated to share with other individuals in full or in part. It may not be transferred to the Internet in full or in part.
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