publication . Doctoral thesis . 2006

Incidence, Distribution and Characteristics of Major Tomato Leaf Curl and Mosaic Virus Diseases in Uganda

Ssekyewa, C;
Open Access
  • Published: 01 Jan 2006
  • Country: Belgium
Abstract
In Uganda, about 3 million households consume tomato. However, tomato yields (10 ton/ ha) are low due to poor agronomic practices, lack of high yielding and disease resistant varieties, and pests (Varela, 1995; Hansen, 1990; Defrancq, 1989). Viral diseases are the third major cause of low tomato productivity in Uganda. Therefore, a survey was conducted; symptoms observed on tomato were categorized, and screened for both ribonucleic and deoxyribonucleic acid tomato viruses. Genetic identity for one main virus disease was investigated. Serological and molecular techniques, i.e. DAS-ELISA (Clerk and Adams, 1977), TAS-ELISA (Macintosh et al., 1992), DNA hybridizatio...
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Medical Subject Headings: food and beveragesfungiviruses
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