A5073400776- Genetics and Plant Breeding
- Genetic Mapping and Diversity in Plants and Animals
- Crop Yield and Soil Fertility
- Rice Cultivation and Yield Improvement
- Agricultural pest management studies
- Genetic and phenotypic traits in livestock
- Insect Resistance and Genetics
- Insect Pest Control Strategies
- Wheat and Barley Genetics and Pathology
- Plant Disease Resistance and Genetics
- Agronomic Practices and Intercropping Systems
- Agricultural Innovations and Practices
- Genetic and Environmental Crop Studies
- Legume Nitrogen Fixing Symbiosis
- Plant Micronutrient Interactions and Effects
- Plant Pathogens and Fungal Diseases
- Banana Cultivation and Research
- Bioenergy crop production and management
- Seed and Plant Biochemistry
- Cassava research and cyanide
- GABA and Rice Research
- Plant pathogens and resistance mechanisms
- Nematode management and characterization studies
- Soybean genetics and cultivation
- Mycotoxins in Agriculture and Food
International Institute of Tropical Agriculture
2021-2025
International Institute of Tropical Agriculture
2022-2024
University of KwaZulu-Natal
2013-2022
International Maize and Wheat Improvement Center
2012
Objectives: To assess the acceptance of popular maize food products (phutu, thin porridge and samp), prepared with yellow, provitamin A-biofortified varieties, in 212 subjects between ages three 55 years, from rural KwaZulu-Natal.Design: A cross-sectional study.Method: Preschool, primary school secondary were randomly selected two schools one school, respectively, while adult constituted a convenience sample. Pre- children completed paired preference test. Secondary five-point facial hedonic...
Abstract Cowpea aphid-borne mosaic virus (CABMV) is a major disease in Uganda that causes substantial loss of the cowpea crop especially growth and yield. The mode gene action conferring resistance to not well understood. objective study was determine genetic inheritance crosses. Three susceptible (S) landraces are commonly grown by farmers were crossed with five introduced resistant varieties accordance North Carolina mating design II scheme. F 1 , 2 BC progenies generated evaluated field...
Soybean [Glycine max (L.) Merrill] is an important crop in southern Africa where it cultivated a wide range of agro-ecologies. Both spatial and seasonal variability high the region. As result, breeders aim to release varieties with fine balance productivity potential stability. Genotype × environment interaction (GEI) limits selection superior genotypes heterogeneous environments consequently slowing down breeding progress. This study determined magnitude GEI effects genotype superiority...
Abstract Rice is an important staple food and cash crop. Although many varieties of rice have been developed to date, few are adopted possibly because researchers did not take into account farmers’ preferences perceptions on during the development process. Because farmers increasingly rely low‐yielding landraces, production fails meet demand. To provide understanding for cultivars drought stress management practices as inputs breeding research, this study was conducted in Sikasso region Mali...
Low soil nitrogen (N) limits maize production in Zambia. S1 selection was used to select for tolerance low N among ninety-six landraces during 2004 - 2007 The were evaluated under N, drought and optimal conditions; selfed a nursery, conditions. Data on grain yield (GY), number of ears per plant, leaf senescence anthesis-silking interval calculate selection indices. Fourteen S1 lines, from each the best four environment across all environments three environments, at same time crossed tester....
Maize production and productivity in sub-Saharan Africa are constrained by various factors. Assessing the genetic diversity of newly developed elite inbred lines can help identify with desirable genes explore relatedness for heterotic breeding. The objectives this study were to assess level diversity, population structure, appropriate clustering methods assigning maize inbreds into groups. Three hundred seventy-six extracted from three source populations genotyped using Diversity Array...
Introduction Fertilizer use in sub-Saharan Africa (SSA) is the lowest theworld and has stagnated. Consequently low nitrogen (N) stress one of principal constraints to maize yields this region. Therefore improving efficiency varieties will result higher recovery rates, leading less leaching as well loss through nitrification ammonification. This study aimed to: 1) Investigate relationship between grain yield under N optimal conditions; 2) Establish level variability tolerance among elite...
ABSTRACT General combining ability (GCA), specific (SCA), and reciprocal cross effects information facilitate efficient utilization of inbred lines in a breeding program. A diallel analysis nine quality protein maize ( Zea mays L.) was evaluated over seven environments Zimbabwe. Hybrid × environment interaction significant for all the traits except tryptophan content Quality Index. Thus, phenotyping Index can be done using few environments. There preponderance GCA content, kernel endosperm...
Reliable information regarding comparative advantage of marker‐assisted selection (MAS) over conventional (CS) in breeding for maize streak virus (MSV) resistance ( Zea mays L.) is scarcely available. A study was, therefore, conducted to determine the efficiency both methods MSV Uganda. Backcross and selfed‐progenies were derived from inbred lines CML202 (resistant), CML321, CML384 (susceptible) using MAS CS. The experimental their testcross progenies evaluated yield across three locations....
Cassava is an important food security crop in semi-arid, Eastern Kenya, but production constrained by planting late bulking landraces. Therefore, farmer participatory variety selection was initiated with the aim of identifying early varieties preferred root qualities. Four popular local were crossed six early-bulking selected from IITA germplasm a North Carolina II mating scheme. The resultant 225 cloned F1 progenies evaluated for 15 x simple lattice design two replications at KARI-Kiboko...
Understanding farmers' production constraints and preferences is important in maize breeding, especially underlying successful adoption of improved varieties their packages. This study was conducted to assess the present importance, productivity mid-altitude, sub-humid agro-ecology Western Ethiopia. Data collected through a semi-structured questionnaire focus group discussions, using 240 randomly selected respondent farmers, 12 sub-districts, within three administrative zones. Maize ranked...
Gray leaf spot disease (GLS; caused by Cercospora zeae‐maydis Tehon and Daniels) is among the major maize ( Zea mays L.) production constraints in southern Africa. Maize predominantly grown small‐scale farmers without fungicides; hence, there need to develop GLS resistant hybrids. There limited information about mode of inheritance for resistance regionally adapted germplasm. This study was initiated determine gene action controlling resistance. Seventy‐two hybrids were generated mating 27...