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2023
Journal article
Field margins and cropping system influence diversity and abundance of aphid natural enemies in Lablab purpureus.
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2022
Journal article
Plant-Rich Field Margins Influence Natural Predators of Aphids More Than Intercropping in Common Bean.
Field margins support important ecosystem services including natural pest regulation. We investigated the influence of field margins on the spatial and temporal distribution of natural enemies (NEs) of bean pests in smallholder farming systems. We sampled NEs from high and low plant diversity bean fields using sweep netting and coloured... -
2022
Journal article
Elements of agroecological pest and disease management.
The development of large-scale monocropped agrisystems has facilitated increased problems with pests and diseases, perpetuating the reliance of farmers on synthetic pesticides. The economic success of synthetic inputs has, however, been achieved at a high cost to the environment through the loss of biodiversity, depletion of soil quality, greenhouse gas... -
2022
Journal article
Field margins and botanical insecticides enhance Lablab purpureus yield by reducing aphid pests and supporting natural enemies.
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2021
Journal article
Natural Pest Regulation and Its Compatibility with Other Crop Protection Practices in Smallholder Bean Farming Systems.
Common bean (Phaseolus vulgaris) production and storage are limited by numerous constraints. Insect pests are often the most destructive. However, resource-constrained smallholders in sub-Saharan Africa (SSA) often do little to manage pests. Where farmers do use a control strategy, it typically relies on chemical pesticides, which have adverse effects on... -
2021
Journal article
Beneficial insects are associated with botanically rich margins with trees on small farms.
Beneficial insect communities on farms are influenced by site- and landscape-level factors, with pollinator and natural enemy populations often associated with semi-natural habitat remnants. They provide ecosystem services essential for all groecosystems. For smallholders, natural pest regulation may be the only affordable and available option to manage pests. We evaluated...Arnold, Sarah E. J. ; Elisante, Filemon ; Mkenda, Prisila A. ; Tembo, Yolice L. B. ; Ndakidemi, Patrick A. …
Community ecology, Biodiversity, Ecosystem services, Agroecology, and Beneficial insects
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2021
Journal article
Bumble bees show an induced preference for flowers when primed with caffeinated nectar and a target floral odour.
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2020
Journal article
Insect pollination is important in a smallholder bean farming system
Background Many crops are dependent on pollination by insects. Habitat management in agricultural landscapes can support pollinator services and even augment crop production. Common bean (Phaseolus vulgaris L.) is an important legume for the livelihoods of smallholder farmers in many low-income countries, particularly so in East Africa. While this...Elisante, Filemon ; Ndakidemi, Patrick ; Arnold, Sarah E. J. ; Belmain, Steven R. ; Gurr, Geoff M. …
Ecology, Biodiversity, Ecosystem Science, Agricultural Science, Research article, and Entomology
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2020
Journal article
Knowledge gaps among smallholder farmers hinder adoption of conservation biological control
Conservation biological control uses habitat management to enhance the survival and impact of arthropod natural enemies for pest control. Its advantages are that it relies on native or established invertebrate populations that are adapted to local agricultural ecosystems and conditions. We surveyed 300 farmers in three agro-ecological zones of Kilimanjaro...