Farmers' knowledge and perception of grain legume pests and their management in the Eastern province of Kenya

Abtew Andnet Bayleyegn, Niassy Saliou, Affognon Hippolyte, Subramanian Sevgan, Kreiter Serge, Tropea Garzia Giovanna, Martin Thibaud. 2016. Farmers' knowledge and perception of grain legume pests and their management in the Eastern province of Kenya. Crop Protection, 87 : pp. 90-97.

Journal article ; Article de recherche ; Article de revue à facteur d'impact
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Quartile : Q1, Sujet : AGRONOMY

Abstract : Grain legumes play an important role in community livelihood and in the national economy in Kenya. Unfortunately, in many African countries, production doesn't satisfy the demand in grains due to various constrains. Understanding farmers practices and behavior in the management of grain legume pests is a crucial step in the development of sustainable management strategies. A total of 216 farmers were surveyed in eight districts of eastern Kenya to evaluate farmers' knowledge and perceptions of grain legume pests; to examine current pest management practices, and to identify other production constraints. Grain legumes are grown by a wide age-group of farmers, with both genders equally represented. Chemical control remains the main pest management strategy, and, to ensure pesticide effectiveness, farmers also use increased application rates, chemical alternation, frequent application and mixtures of chemicals. While farmers used other control measures, they showed only limited interest in biological control. The majority of the farmers had experience in grain legume farming and were able to identify the major pests, which were the legume flower thrips Megalurothrips sjostedti Trybom, the cowpea aphid Aphis craccivora Koch and the legume pod borer Maruca vitrata Fabricius. Our survey revealed that education and proximity to extension services contributed significantly to farmers' knowledge of grain legume pests, suggesting the need to provide continuous training and capacity building on integrated pest management in grain legume farming. The study also suggests integration of other pest management strategies such as the use of early maturing varieties, biopesticides and biofertilizer to reduce the use of chemical for sustainable pest management. (Résumé d'auteur)

Mots-clés Agrovoc : Légumineuse à grains, Protection des plantes, Ravageur des plantes, Méthode de lutte, Lutte chimique, Pesticide, Vulgarisation agricole, Agriculture durable

Mots-clés géographiques Agrovoc : Kenya

Mots-clés libres : Farmer attitudes, Extension services, Crop protection, Pest control methods, Pesticide mixtures

Classification Agris : H10 - Pests of plants
C20 - Extension

Champ stratégique Cirad : Axe 4 (2014-2018) - Santé des animaux et des plantes

Auteurs et affiliations

  • Abtew Andnet Bayleyegn, ICIPE (KEN)
  • Niassy Saliou, University of Pretoria (ZAF)
  • Affognon Hippolyte, ICRISAT (MLI)
  • Subramanian Sevgan, ICIPE (KEN)
  • Kreiter Serge, Montpellier SupAgro (FRA)
  • Tropea Garzia Giovanna, Universita di Catania (ITA)
  • Martin Thibaud, CIRAD-PERSYST-UPR HortSys (KEN)

Source : Cirad-Agritrop (

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