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Twelve samples of Striga hermonthica seed were collected from four host crops [millet (4), sorghum (4), a sorghum/millet intercrop (3) and maize (1)] from all the main areas of S. hermonthica infestation in Nigeria and were tested on eight genotypes of three test crops [maize (4), sorghum (2) and...


Kim, S.K.Akintunde, A.Walker, P.[Responses of maize, sorghum and millet host plants infestation by Striga hemonthica]Responses of maize, sorghum and millet host plants infestation by Striga hemonthica

A substantial impact on Africa agriculture can be made through research on crop improvement for the extensive inland valley agro-ecosystems (IVS) extending from the humid forest to the savanna zones in sub saharan Africa. Systematic surveys of farmers have shown that cassava is a favoured upland ...


Ekanayake, I.J.Dixon, A.Asiedu, RobertIzac, A.M.[Improved cassava for inland valley agroecosystems]Improved cassava for inland valley agroecosystems

Twelve cassava (Manihot esculenta Crantz) genotypes were planted under natural field conditions for two different cropping seasons (wet and dry), in 1992 and 1993 at the research farm of the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. The trial studied the effect of p...


Fokunang, C.N.Akem, C.N.Ikotun, T.Dixon, Alfred G.O.[Effect of planting season on cassava anthracnose disease development]Effect of planting season on cassava anthracnose disease development

Understanding the nature and extent of association between yield and yield related traits is the prerequisite study for any underutilized crop improvements of sustainable genetic enhancement. However, there is a lack of sufficient information on seed yield and related trait correlation and path c...


Walle, T.Mekbib, F.Amsalu, B.Gedil, M.[Correlation and path coefficient analyses of cowpea (Vigna unguiculata L.) landraces in Ethiopia]Correlation and path coefficient analyses of cowpea (Vigna unguiculata L.) landraces in Ethiopia

Number of spikelets per panicle (NSP) is a key trait to increase yield potential in rice (O. sativa). The architecture of the rice inflorescence which is mainly determined by the length and number of primary (PBL and PBN) and secondary (SBL and SBN) branches can influence NSP. Although several ge...


Rebolledo, María CamilaPeña, Alexandra L.Duitama, JorgeCruz, Daniel FelipeGrenier, CécileTohme, Joseph M.[Combining image analysis,genome wide association studies and different field trials to reveal stable genetic regions related to panicle architecture and the number of spikelets per panicle in rice]Combining image analysis,genome wide association studies and different field trials to reveal stable genetic regions related to panicle architecture and the number of spikelets per panicle in rice

BACKGROUND Rice is one of the major staple foods in the world, especially in the developing countries of Asia. Its consumption as a dietary source is also increasing in Africa. To meet the demand for rice to feed the increasing human population, increasing rice yield is essential. Improving the g...


Kim, Sung-RyulRamos, JoieAshikari, MotoyukiVirk, Parminder SinghTorres Castro, Edgar AlonsoNissila, EeroHechanova, Sherry LouMauleon, Ramil[Development and validation of allele-specific SNP/indel markers for eight yield-enhancing genes using whole-genome sequencing strategy to increase yield potential of rice, Oryza sativa L.]Development and validation of allele-specific SNP/indel markers for eight yield-enhancing genes using whole-genome sequencing strategy to increase yield potential of rice, Oryza sativa L.

Ceballos, H.Becerra López Lavelle, Luis AugustoCalle, FernandoMorante, NelsonOvalle Rivera, Tatiana M.Hershey, Clair H.[Genetic distance and specific combining ability in cassava]Genetic distance and specific combining ability in cassava

Accurate identification of crop cultivars is crucial in assessing the impact of crop improvement research outputs. Two commonly used identification approaches, elicitation of variety names from farmer interviews and morphological plant descriptors, have inherent uncertainty levels. Genotyping-by-...


Rabbi, Ismail Y.Kulakow, P.A.Manu-Aduening, J.A.Dankyi, Ansong A.Asibuo, James Y.Parkes, Elizabeth YAbdoulaye, TahirouGirma, GezahegnGedil, Melaku ARamu, PunnaReyes, ByronMaredia, Mywish K.[Tracking crop varieties using genotyping-by-sequencing markers: a case study using cassava (Manihot esculenta Crantz)]Tracking crop varieties using genotyping-by-sequencing markers: a case study using cassava (Manihot esculenta Crantz)
Ceballos, H.Kawuki, Robert S.Gracen, V.E.Yencho, G.C.Hershey, Clair H.[Conventional breeding, marker-assisted selection, genomic selection and inbreeding in clonally propagated crops: a case study for cassava]Conventional breeding, marker-assisted selection, genomic selection and inbreeding in clonally propagated crops: a case study for cassava

This project aims to boost productivity and incomes among Georgian smallscale potato producers by providing new knowledge and locally produced, quality seed potatoes of high-yielding genotypes.


International Potato Center[The USAID potato program in Georgia. Project profile.]The USAID potato program in Georgia. Project profile.

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