Working Document Series Open Access 2014 RUF-34086

Pesticide use for management of aphids and viral diseases in passion fruit

J. KarungiM. Ochwo-SsemakulaA. OlangoP. Sseruwagi

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Abstract

244 words

Passionfruit viral pathogens limit passionfruit production and are non-persistently transmitted by aphid vectors, the diseases can reduce orchard life span to only a year resulting to 100% yield loss. 50-100% loss due to biotic stresses has been reported in Kenya. A survey was conducted in Uganda, among passsionfruit farmers in the six major passionfruit growing districts in 2012, to determine; types of pesticide being used, methods of pesticide application and their application regimes, level of control success, knowledge of passionfruit production, and challenges faced. 120 farmers were selected, consisting of a total of 10 current passionfruit farmers and 10 former passionfruit farmers from each district. Results indicated that pesticides are readily available and widely used in passion fruit farms, (71%) of the respondents were Male and 28% female between the age of 18 - 80 years with a median age of 30. It was further revealed that 50% of Ugandan passion fruit farmers use, or have ever used pesticides for controlling passion fruit virus vectors, of which, 31.2% of them have ever used “Rocket” (Profenofos 40% + Cypermethrin 4%) being the most commonly used pesticide. The main source of information on pesticide use was from fellow farmers (54.5%). The data and information generated provided critical baseline information for use in assessing the efficacy of pesticide being used by farmers against aphid vector(s) and associated passion fruit viral diseases, this revealed a critical need to create an appropriate framework to share knowledge for collective intelligence.

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