IITA Bibliography is a collection of agricultural research publications produced by IITA scientists, research fellows, and students from 1972 to date. The collection includes journal articles, books and book chapters, conference proceedings, training and extension materials, theses, and other publications. IITA conducts research in these thematic areas: biotechnology and plant breeding, natural resource management, social science and agribusiness, plant production and plant health, and nutrition and human health.

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  • Ethnobotanical characterization of scarlet eggplant (Solanum aethiopicum L.) varieties cultivated in Benin (West Africa) 

    Aguessy, S.; Idossou, R.; Dassou, A.G.; Loko, Y.; Yelome, O.I.; Gbaguidi, A.A.; Agre, A.P.; Dansi, A.; Agbangla, C. (2021-09)
    The African eggplant (Solanum aethiopicum L.) is an important traditional vegetable cultivated in tropical regions for its edible fruits. In the Benin Republic, S. aethiopicum is mainly cultivated by rural farmers for food and for its use in traditional medicine. Assessing varietal diversity, endogenous knowledge, production constraints and farmers' preference criteria are of great importance for promotion and conservation purposes. Using rural appraisal tools and methods, an ethnobotanical study ...
  • Agronomic gain: definition, approach, and application 

    Saito, K.; Six, J.; Komatsu, S.; Snapp, S.; Rosenstock, T.S.; Arouna, A.; Cole, S.M.; Taulya, G.; Vanlauwe, B. (2021-08)
    Meeting future global staple crop demand requires continual productivity improvement. Many performance indicators have been proposed to track and measure the increase in productivity while minimizing environmental degradation. However, their use has lagged behind theory, and has not been uniform across crops in different geographies. The consequence is an uneven understanding of opportunities for sustainable intensification. Simple but robust key performance indicators (KPIs) are needed to standardize ...
  • Unravelling drivers of high variability of on-farm cocoa yields across environmental gradients in Ghana 

    Asante, P.A.; Rozendaal, D.M.A.; Rahn, E.; Zuidema, P.A.; Quaye, A.K.; Asare, R.; Laderach, P.; Anten, N.P.R. (2021-10)
    CONTEXT Cocoa (Theobroma cacao L.) is one of the world's most important agricultural commodity crops with the largest share of global production concentrated in West Africa. Current on-farm yields in this region are low and are expected to decrease in response to climate change, through warming and shifts in rainfall. Interventions intended to improve yields and climate adaptation require an understanding of the main drivers of yields across farms. OBJECTIVE In this regard, we quantified the extent ...
  • The poverty impacts of improved soybean technologies in Malawi 

    Hirpa Tufa, A.; Alene, A.; Manda, J.; Feleke, S.; Assfaw Wossen, T.; Akinwale, M.G.; Chikoye, D.; Manyong, V. (2021)
    Improved soybean varieties and agronomic practices have been widely disseminated to smallholder farmers in Malawi over the last 15 years. However, there is no empirical evidence on the welfare impacts of adopting improved soybean technologies. This paper estimated the poverty impacts of adopting improved soybean technologies using data from 1,234 households in six soybean growing districts accounting for over 80% of the total soybean production in the country. The results from an endogenous switching ...
  • Farmers' perceptions on varietal diversity, trait preferences and diversity management of bush yam ( Dioscorea praehensilis Benth.) in Ghana 

    Adewumi, A.S.; Asare, P.A.; Adu, M.O.; Taah, K.J.; Akaba, S.; Mondo, J.; Agre, A.P. (2021)
    Bush yam (Dioscorea praehensilis Benth.) is an important food and cash crop species in some West and Central African countries. Unfortunately, several socioeconomic, cultural, nutritional, and agronomic constraints hinder its cultivation, and thus lead to its underutilization and gradual disappearance. To effectively promote its cultivation and utilization, knowledge of its diversity, distribution, management, and farmers’ varietal preferences is necessary. This study, therefore, used a participatory ...

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