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Rapid response to disease outbreaks in maize cultivation: the case of maize lethal necrosis

Code: 9781838791308
George Mahuku, International Institute of Tropical Agriculture (IITA), Tanzania and P. Lava Kumar, International Institute of Tropical Agriculture (IITA), Nigeria

Chapter synopsis: Emerging plant diseases (EPDs) can cause significant losses of revenue due to decreased production and the high costs of controlling epidemics. Effective control of EPDs relies on rapid detection, accurate diagnosis, timely deployment of preventive responses and containment to prevent geographic expansion. The efficiency and success of this approach depends on intricate networking and collaboration among all stakeholders, including intergovernmental and nongovernmental organizations and specialized agencies in developed and developing countries. Such cooperation also prevents the duplication of efforts and improves the use of scarce financial resources. This chapter provides insights into recent biotic threats to maize productivity and the factors driving EPDs of maize. It then highlights the requirements for a coordinated system to respond rapidly to new disease outbreaks to avert potentially disastrous consequences. The recent emergence of maize lethal necrosis (MLN) in East Africa is used as a case study.

DOI: 10.19103/AS.2016.0002.20
Table of contents 1 Introduction 2 Emerging plant diseases 3 Factors infl uencing the emergence of maize diseases 4 Overview of strategies for mitigating risks from emerging maize diseases 5 Components of an effective rapid response system 6 Strategies for managing maize disease outbreaks 7 The emergence of MLN in Eastern Africa 8 Responding to the MLN outbreak and minimizing its impact 9 Conclusions 10 Where to look for further information 11 Acknowledge

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