Search Results - "Acheampong, Richard"

Spatiotemporal Distribution and Damage Trends of Pseudotheraptus devastans (Dist.) on Theobroma cacao in Ghana by Awudzi, Godfred Kweku, Avicor, Silas Wintuma, Adu-Acheampong, Richard

“…Pseudotheraptus devastans (Dist.), a coreid bug, feeds on pods causing extensive deformation of the pods and clumping of beans, resulting in reduced yields…”
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Contact toxicity and proximate effect of fipronil on insect pest and predatory ant community structure in cocoa agro-ecosystem by Avicor, Silas Wintuma, Awudzi, Godfred Kweku, Adu-Acheampong, Richard, Boamah-Dankyi, Peter, Adu-Acheampong, Samuel

“…Although usage persists in some countries, fipronil is banned or restricted in many others. Prior to its ban on cocoa in Ghana, concerns about its effect on…”
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Farmers’ knowledge and perception of cocoa insect pests and damage and the implications for pest management on cocoa in Ghana by Awudzi, Godfred Kweku, Adu-Acheampong, Richard, Avicor, Silas Wintuma, Bukari, Yahaya, Yeboah, Millicent Adomaa, Boateng, Edmond Kwadwo Oti, Ahadzi, Stephen Kwame

“…Annual losses of cocoa in Ghana to insect pests are significant. The use of integrated pest management (IPM) tools is critical for effective pest management…”
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Horizon scanning for prioritising invasive alien species with potential to threaten agriculture and biodiversity in Ghana by Kenis, Marc, Agboyi, Lakpo Koku, Adu-Acheampong, Richard, Ansong, Michael, Arthur, Stephen, Attipoe, Prudence Tonator, Baba, Abdul-Salam Mahamud, Beseh, Patrick, Clottey, Victor Attuquaye, Combey, Rofela, Dzomeku, Israel, Eddy-Doh, Mary Akpe, Fening, Ken Okwae, Frimpong-Anin, Kofi, Hevi, Walter, Lekete-Lawson, Emmanuellah, Nboyine, Jerry Asalma, Ohene-Mensah, Godfried, Oppong-Mensah, Birgitta, Nuamah, Hannah Serwaa Akoto, van der Puije, Grace, Mulema, Joseph

“…Invasive alien species (IAS) continue to shape the global landscape through their effects on biological diversity and agricultural productivity. The effects…”
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Farmers' knowledge of major insect pests and their occurrence in cocoa plantations in Ghana by Amon-Armah, Frederick, Baah, Francis, Owusu-Ansah, Frank, Adu-Acheampong, Richard, Awudzi, Godfred Kweku

“…Farmers' knowledge of major insect pests and their occurrence in cocoa plantations in Ghana as well as common practices of farmers to control these pests were…”
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Spatial variation in cocoa insect pest populations and its implication for pest management by Awudzi, Godfred Kweku, Avicor, Silas Wintuma, Konlan, Sampson, Dogbatse, Jerome Abgesi, Bukari, Yahaya, Adu-Acheampong, Richard

“…Currently, mirids, stink bugs and coreid bugs are the most important insect pests of cocoa in Ghana. The populations of these insect pests are known to be…”
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The electrochemical properties of sulfonated silica ceramic carbon electrodes operated in fuel cells above 80 °C by Acheampong, Richard, Alipour Moghadam Esfahani, Reza, Moghaddam, Reza B., Afsahi, Foroughazam, Ebralidze, Iraklii I., Easton, E. Bradley

“…Proton exchange membrane (PEM) fuel cell operated at temperatures above 80 °C provides many benefits including enhance oxygen reduction reaction kinetics,…”
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Profitability, market outlets and constraints to Ghana's pig production by Wongnaa, Camillus Abawiera, Ansah, Raymond Owusu, Akutinga, Solomon, Azumah, Shaibu Baanni, Acheampong, Richard, Nana, Samuel Yawson, Mensah, Gertrude Appiah, Gidisu, Sandra, Awunyo-Vitor, Dadson

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Pattern of insecticide usage in organic cocoa production in Ghana by Awudzi, Godfred Kweku, Adu-Acheampong, Richard, Avicor, Silas Wintuma, Bukari, Yahaya, Boateng, Edmond Kwadwo Oti, Ahadzi, Stephen Kwame, Tagbor, Phebe

“…Insect pests of cocoa constitute a major production constraint in Ghana and they are the cause of significant crop losses and reduced income for smallholder…”
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Agricultural Innovation Platforms in West Africa: How Does Strategic Institutional Entrepreneurship Unfold in Different Value Chain Contexts? by van Paassen, Annemarie, Klerkx, Laurens, Adu-Acheampong, Richard, Adjei-Nsiah, Samuel, Zannoue, Elisabeth

“…Inspired by innovation system theory, donors promote innovation platforms (IPs) to enhance collaboration for development. However, IP practice and impact are…”
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Embedding research for innovation to meet societal needs in national research systems: experiences from Ghana by Osei-Amponsah, Charity, Sakyi-Dawson, Owuraku, Adjei-Nsiah, Samuel, Adu-Acheampong, Richard, Essegbey, George, Quarmine, William

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Looking at Agricultural Innovation Platforms through an Innovation Champion Lens: An Analysis of Three Cases in West Africa by Klerkx, Laurens, Adjei-Nsiah, Samuel, Adu-Acheampong, Richard, Saïdou, Aliou, Zannou, Elizabeth, Soumano, Lassine, Sakyi-Dawson, Owuraku, van Paassen, Annemarie, Nederlof, Suzanne

“…The concept of an innovation platform is increasingly used in interventions inspired by agricultural innovation systems thinking, as a way of bringing…”
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External influences on agro-enterprise innovation platforms in Benin, Ghana and Mali – Options for effective responses by Essegbey, George O., Sakyi-Dawson, Owuraku, Kossou, Dansou, Ouologuem, Bara, Dembele, Fidiala, Adu-Acheampong, Richard, Jiggins, Janice

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Defying "the pervasive bias" against African smallholders: identifying entry points for institutional change by Adjei-Nsiah, Samuel, Adu-Acheampong, Richard, Debrah, Kofi, Dembele, Fadiala, Lassine, Soumanou, Ouologuem, Bara, Saidu, Aliou, Vissoh, Pierre, Zannou, Elizabeth

“…African smallholders face few opportunities that can be captured through new technologies alone. Analysis of the institutional context in which they work opens…”
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An innovation platform for institutional change in Ghana's cocoa sector by Adu-Acheampong, Richard, Jiggins, Janice, Quartey, Ebenezer Tei, Karikari, Nana Maxwell, Jonfia-Essien, William, Quarshie, Edward, Osei-Fosu, Paul, Amuzu, Maxwell, Afari-Mintah, Charles, Ofori-Frimpong, Kwasi, Owusu-Manu, Michael, Eku X, Nana Nyarko, Sakyi-Dawson, Owuraku, Quarmine, William, Acquah, Francis Otu

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The cocoa mirid (Hemiptera: Miridae) problem: evidence to support new recommendations on the timing of insecticide application on cocoa in Ghana by Adu-Acheampong, Richard, Jiggins, Janice, van Huis, Arnold, Cudjoe, Anthony Richmond, Johnson, Victress, Sakyi-Dawson, Owuraku, Ofori-Frimpong, Kwasi, Osei-Fosu, Paul, Tei-Quartey, Ebenezer, Jonfia-Essien, William, Owusu-Manu, Michael, Nana Karikari Addo, Maxwell Samuel, Afari-Mintah, Charles, Amuzu, Maxwell, Nyarko Eku-X, Nana, Quarshie, Edward T.N.

“…The government's cocoa spraying gangs in Ghana treat about two million hectares of the crop against black pod disease and mirids, the key insect pests of cocoa…”
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Pathogen diversity and host resistance in dieback disease of cocoa caused by fusarium decemcellulare and lasiodiplodia theobromae by Adu-Acheampong, Richard Kwame

“…Dieback disease caused by Fusarium and Lasiodiplodia species is a major threat to cocoa production in Ghana and elsewhere in West Africa. Current…”
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