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Caffeine in Floral Nectar Enhances a Pollinator's Memory of Reward
Bees Get That Caffeine "Buzz" Caffeine improves memory in humans, millions of whom find that their daily dose enhances clarity, focus, and alertness. The human relationship with caffeine isExpand
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Lentil : an ancient crop for modern times
An edited collection of articles and essays from researchers, educators and experts in the field, this book presents a comprehensive and up to date review of research on lentil production systems,Expand
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Heliothis/ helicoverpa management: emerging trends and strategies for future research
The cotton bollworm/corn earworm/legume pod borer (Heliothis/Helicoverpa) are the most important constraints to increase the production and productivity of crops worldwide (Hardwick 1970; Fitt 1989).Expand
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Chemical basis for resistance in sweetpotato Ipomoea batatas to the sweetpotato weevil Cylas puncticollis
The aim of this work was to determine the basis of resistance in a sub-Saharan sweetpotato variety, New Kawogo, to the African sweetpotato weevil Cylas puncticollis. This insect feeds on the roots,Expand
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Plant secondary metabolites in nectar: impacts on pollinators and ecological functions
1. The ecological function of secondary metabolites in plant defence, against herbivores is well established, but their role in plant-pollinator interactions is less obvious. Nectar is the majorExpand
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Botanical pesticide production, trade and regulatory mechanisms in sub-Saharan Africa: making a case for plant-based pesticidal products
Pesticides are the major technology used in the management of field and postharvest losses due to pests. There is growing demand for effective alternatives that present low health risks and conserveExpand
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Distinct chemotypes of Tephrosia vogelii and implications for their use in pest control and soil enrichment.
Tephrosia vogelii Hook. f. (Leguminosae) is being promoted as a pest control and soil enrichment agent for poorly-resourced small-scale farmers in southern and eastern Africa. This study examinedExpand
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Farmers' insect pest management practices and pesticidal plant use in the protection of stored maize and beans in Southern Africa
Storage losses due to pests threaten livelihoods of farmers across Africa. Synthetic pesticides provide effective control when used correctly but resource-poor farmers cannot afford them. A survey ofExpand
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Extracts from Field Margin Weeds Provide Economically Viable and Environmentally Benign Pest Control Compared to Synthetic Pesticides
Plants with pesticidal properties have been investigated for decades as alternatives to synthetics, but most progress has been shown in the laboratory. Consequently, research on pesticidal plants isExpand
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Farmers' ethno-ecological knowledge of vegetable pests and pesticidal plant use in Northern Malawi and Eastern Zambia
1 Department of Agricultural Research Services, Lunyangwa Agricultural Research Station, P.O. Box 59, Mzuzu, Malawi. 2 World Agroforestry Centre (ICRAF), Southern Africa Programme, ChitedzeExpand
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