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Reports and Documents: Recent submissions
Now showing items 101-120 of 271
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Distinction of mixed yam strains (Dioscorea alata L.) cultivated in Yaku Island
(2003)This study clarified we could effectively distinguish mixed water yam strains by observing the differences of morphology of the leaves and tubers in Yaku Island. However, there are considerable variations in morphology, so we may be able to more confidently distinguish strains by also employing the electrophoresis method using acetone powder. -
Possibility of earlyseason culture of water yam (Dioscorea alata L.) in Yaku island
(2003)Early-season culture of water yam was required in Yaku Island, because of the long growing period, the concentrating work at the harvesting time, the lack of storehouse and so on. Thus we tried to search the early-maturing strains and use a plant growth regulator that promote the tuber enlargement. Then we found out the extremely early maturing strains introduced from high altitude area in the Kingdom of Nepal. On the other hand, foliar applications of gibberellins promoted the tuber enlargement. ... -
IITA Annual Report 1994
(1995) -
A participatory approach for tree diversification in cocoa farms: Ghanaian farmers experience
(2008-09)In Ghana, the diversity and density of non-cocoa trees in cocoa farms is primarily the result of farmers’ managing natural processes of regeneration in forest-fallow systems. Tree diversity is therefore more a result of haphazard, uncoordinated decisions over a long period rather than advanced planning. Relying on natural regeneration processes greatly limits farmers’ ability to select desirable species or arrange their distribution within farms. As a result, the potential of diverse cocoa growing ... -
L’ampleur des problèmes liés au flétrissement bactérien de la banane (BXW) à l’Est de la RDC (Nord et Sud Kivu et Province Orientale): Une évaluation d’experts sur les informations existantes.
(International Institute of Tropical Agriculture, 2010) -
Impact of tissue culture banana technology on farm household income and food security in Kenya
(Georg-August University of Goettingen, Germany, 2011-08)While tissue culture (TC) technology for vegetative plant propagation is gradually gaining in importance in Africa, rigorous ex post assessments of welfare effects for smallholder farm households is lacking. Using recent survey data and accounting for self-selection in technology adoption, we analyze the impacts of TC banana technology on household income and food security in Kenya. To assess food security outcomes, we employ the Household Food Insecurity Access Scale (HFIAS) – a tool that has not ... -
Access and benefit sharing under the aegis of the Convention on Biological Diversity
(International Institute of Tropical Agriculture, 2010) -
Scale and scope of the problems due to BXW in Eastern DRC (North and South Kivu and Province Oriental); an expert evaluation of existing information.
(International Institute of Tropical Agriculture/United States Agency for International Development, 2010) -
What role for legumes in sustainable intensification? – case studies in Western Kenya and Northern Ghana for PROIntensAfrica
(N2Africa, 2016-10-31)N2Africa was selected as a case study within the PROIntensAfrica initiative. In this case study, N2Africa focused on the potential role of legumes in sustainable intensification. The case study was conducted in two of the N2Africa countries, Ghana and Kenya, and involved literature research, stakeholder interviews, a household survey and a final stakeholder workshop. The objectives of the case study were to identify drivers of change, the current role of legumes as pathway for sustainable ... -
Local Focus: safe and effective pest and crop management strategies to strengthen the vegetable value chain in the humid tropics
(Deutsche Gesellschaft fur Internationale Zusammenarbeit (GIZ) GmbH, 2015-07)