Incidence, Distribution and Characteristics of Major Tomato Leaf ...

Incidence, Distribution and Characteristics of Major Tomato Leaf ... Incidence, Distribution and Characteristics of Major Tomato Leaf ...

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Charles SSEKYEWA Incidence, Distribution and Characteristics of Major Tomato Leaf Curl and Mosaic Virus Diseases in Uganda Thesis submitted in fulfilment of requirements for the degree of Doctor (PhD) in Applied Biological Sciences i 1

Voorkomen, verspreiding en eigenschappen van de voornaamste Tomato Leaf Curl mozaïekvirusziekten in Uganda. Illustrations: Front cover: Left-top is an Ocimum basilica samples with yellow mosaic symptoms and infected with ChiVMV; mid-left are whiteflies (B.tabaci), the vector of tomato leaf curl viruses; bottom-left are tomato shoots showing leaf curl symptoms and marginal yellowing; top-right is one of our experimental tomato fields; bottom-right are quality fruits from a healthy tomato plant. Back cover: Screen cages used to preserve our live tomato virus infected samples. Correct citation: Ssekyewa C. 2006. Incidence, Distribution and Characteristics of Major Tomato Leaf Curl and Mosaic Virus Diseases in Uganda. PhD-thesis. Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium. 233 pp. ISBN – 13: 9789059891524 The author and the promotors give the authorization to consult and to copy parts of this work for personal use only. Every other use is subject to the copyright laws. Permission to reproduce any material contained in this work should be obtained from the author. ii 2

Charles SSEKYEWA<br />

<strong>Incidence</strong>, <strong>Distribution</strong> <strong>and</strong> <strong>Characteristics</strong> <strong>of</strong> <strong>Major</strong> <strong>Tomato</strong> <strong>Leaf</strong> Curl<br />

<strong>and</strong> Mosaic Virus Diseases in Ug<strong>and</strong>a<br />

Thesis submitted in fulfilment <strong>of</strong> requirements for the degree <strong>of</strong> Doctor (PhD) in<br />

Applied Biological Sciences<br />

i 1

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