Plant pests cause crop losses of 30-40%, contributing significantly to global food insecurity. The Plantwise program works alongside national agricultural extension services, who advise smallholder farmers on plant health issues and collect data on problems they face. In a 1-year pilot, Plantwise tested the use of information and communication technologies (ICT)-tablets and short message service (SMS)-with 60 Kenyan extension workers. They were able to assist more farmers with better advice, had significantly improved access to plant health information, valued being able to ask their peers for advice, and dramatically improved the quality and speed of the data they collected.
Mobile apps are increasingly being used to answer development challenges around the world. The development opportunities that apps offer is wide-reaching but uptake of the technology varies. This article examines the ease of use and factors impacting user acceptance and behavior when interacting with an app for agricultural extension in Kenya. Results show factors including gender and age play a role in the adoption of technology by agricultural extension agents. The findings have useful lessons for apps' development in the agricultural sector and suggest that including intended users of an app in the design process significantly increases usability.
In Kenya, tomato is cultivated for home consumption, as a cash crop, and a source of vitamins. In recent years, the growth rate of tomato production in the country has increased. Yields, however, continue to remain low due to a myriad of constraints, including incidences of arthropod pests. This paper catalogues arthropod pests of tomato in Kenya, establishes the pests' distribution patterns in relation to spatial and temporal dimensions and documents practices employed by farmers for their management. The study relies on plant health clinics as primary providers of data. Relationship between variables is proved using multinomial logistic regression. A diverse range of arthropod pests was found to hamper tomato production in Kenya. Tomato leaf miner, whiteflies, and spider mites emerged as the major threats to the sustainability of tomato production. Most of the arthropod pests reported were associated with upper and lower midland agro-ecological zones. The reverse, however, was true for upper highland zones. For the management of arthropod pests, essentially, the use of synthetic pesticides was the preferred practice by farmers. The study underscores the need to consider variations in arthropod pests' risk, both spatially and temporally when designing their management strategies. Also, alternative management procedures to the use of highly hazardous pesticides and better assessments of potential profit-loss to a smallholder for application and non-application of highly hazardous pesticides are required.
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