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A tri-trophic network of domesticated grasses (host), various aphids (vector) and barley yellow dwarf virus (pathogen) species has been spread by humans from Eurasia to the rest of the world. Understanding how climate, natural and agricultural landscapes challenge pathogens, vectors, and their natural enemies and shape their dynamics is the key to managing this pathosystem. This chapter provides an overview of this complex system and its evolution. The chapter includes a case study of biological control of aphids causing wheat BYDV in Brazil. The current challenge is to create tools that integrate knowledge of this complex pathosystem and facilitate monitoring and decision making for rational management to reduce the burden of disease.
Price: $32.50
Publisher: Burleigh Dodds Science Publishing
Imprint: Burleigh Dodds Science Publishing
Series: Burleigh Dodds Series in Agricultural Science
Publication Date:
22 February 2021
ISBN: 9781801460521
Format: eBook
BISACs:
TECHNOLOGY & ENGINEERING / Agriculture / Agronomy / Crop Science, TECHNOLOGY & ENGINEERING / Agriculture / Sustainable Agriculture, TECHNOLOGY & ENGINEERING / Pest Control
1 Introduction 2 Components of the pathosystem: host plants, viruses and aphid vectors 3 Virus-aphid interactions 4 Virus-host interactions 5 Natural enemies of aphids 6 Case study: biological control of cereal aphids and BYDV management in Brazil 7 Conclusions and future trends 8 Where to look for further information 9 References