Olaniyi Oyatomi
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View article: Consumption patterns and perceived health benefits of underutilized legumes among women in selected local government areas of Niger State, Nigeria
Consumption patterns and perceived health benefits of underutilized legumes among women in selected local government areas of Niger State, Nigeria Open
Food insecurity remains a major challenge in Africa, disproportionately affecting women and children. Despite their favorable nutrient profiles for underutilized legumes especially Bambara groundnut ( Vigna subterranea ), African yam bean …
View article: Comparative Evaluation of the Digestive Enzyme Inhibition, Protein, and Starch Components of Ten Macrotyloma uniflorum (Lam.) Verdc. Accessions
Comparative Evaluation of the Digestive Enzyme Inhibition, Protein, and Starch Components of Ten Macrotyloma uniflorum (Lam.) Verdc. Accessions Open
Digestive enzymes play a crucial role in carbohydrate hydrolysis and subsequent glucose absorption, and their inhibition can contribute to improved glycemic regulation. Legumes, with their inherent enzyme-inhibitory properties, offer a nat…
View article: Uncovering Indigenous Diversity and Farmer Preferences in Pigeon Pea (Cajanus cajan): Insights from Germplasm Exploration, Ethnobotanical Surveys, and Digital Phenotyping for Climate-Smart Breeding
Uncovering Indigenous Diversity and Farmer Preferences in Pigeon Pea (Cajanus cajan): Insights from Germplasm Exploration, Ethnobotanical Surveys, and Digital Phenotyping for Climate-Smart Breeding Open
Pigeon pea ( Cajanus cajan [L.] Millsp.) remains an underutilized legume in most African countries despite its potential for climate-resilient farming systems, food diversification, and nutritional value. Limited knowledge of its indigenou…
View article: Two-step drying of soya bean seed germplasm often improves subsequent storage longevity
Two-step drying of soya bean seed germplasm often improves subsequent storage longevity Open
It is recommended that seeds for genebank storage are dried to low moisture content at 10–25 °C, 10–15% RH, but in some crops, an initial warmer drying temperature may provide better longevity. Seeds of diverse accessions of soyabean ( Gly…
View article: GGE Biplot Analysis of Genotype by Environment Interaction and Yield Stability in African Yam Bean (Sphenostylis stenocarpa)
GGE Biplot Analysis of Genotype by Environment Interaction and Yield Stability in African Yam Bean (Sphenostylis stenocarpa) Open
Aims: To identify the genotype(s) most suited for the test environments in Nigeria and to understand the nature of genotype-by-environment interaction (GEI) effects on AYB production. Study Design: Multi-environment trials combined with GG…
View article: Cross-Species Transferability of Cowpea SSR Markers to <i>Vigna radiata</i> (L.) (Mung Bean) and <i>Phaseolus lunatus</i> (L.) (Lima Bean)
Cross-Species Transferability of Cowpea SSR Markers to <i>Vigna radiata</i> (L.) (Mung Bean) and <i>Phaseolus lunatus</i> (L.) (Lima Bean) Open
Simple Sequence Repeats (SSRs) are tandemly repeated sequences of 1-6 nucleotide motifs found in all genomes. They constitute a considerable portion of the noncoding region of eukaryotic genome. The transferability of SSR markers across re…
View article: Selection criteria and yield stability in a large collection of African yam bean [<i>Sphenostylis stenocarpa</i> (Hochst ex. A. Rich) Harms] accessions
Selection criteria and yield stability in a large collection of African yam bean [<i>Sphenostylis stenocarpa</i> (Hochst ex. A. Rich) Harms] accessions Open
African yam bean (AYB) is an underutilized legume with significant potential for food security in sub-Saharan Africa, yet limited research exists on optimizing its seed yield through selective breeding. In this study, the seed yield (SY) p…
View article: Optimizing the accession-level quantity of seeds to put into storage to minimize seed (gene)bank regeneration or re-collection
Optimizing the accession-level quantity of seeds to put into storage to minimize seed (gene)bank regeneration or re-collection Open
Seed (gene)banking is an effective way to conserve cultivated and wild plant diversity. However, long-term funding is not always consistently sufficient, and there is a need to both strengthen the effectiveness of genebank operations and m…
View article: Genetic variability, inter-character correlation, and stability performance in cowpea for drought tolerance
Genetic variability, inter-character correlation, and stability performance in cowpea for drought tolerance Open
View article: Research and developmental strategies to hasten the improvement of orphan crops
Research and developmental strategies to hasten the improvement of orphan crops Open
To feed the world's expanding population, crop breeders need to increase agricultural productivity and expand major crops base. Orphan crops are indigenously important crops with great potential because they are climate resilient, highly n…
View article: Studies of Colletotrichum species causing cowpea anthracnose in Nigeria reveal two first-time reports globally
Studies of Colletotrichum species causing cowpea anthracnose in Nigeria reveal two first-time reports globally Open
Cowpea ( Vigna unguiculata (L.) Walp.) is an important multipurpose crop in various countries in sub-Saharan Africa. However, cowpea production is affected by cowpea anthracnose disease (CAD). In Nigeria, Colletotrichum lindemuthianum and …
View article: Whole-genome sequences of <i>Colletotrichum siamense</i> and <i>Colletotrichum truncatum</i> , causal agents of pod and foliar diseases on African yam bean
Whole-genome sequences of <i>Colletotrichum siamense</i> and <i>Colletotrichum truncatum</i> , causal agents of pod and foliar diseases on African yam bean Open
Diseases caused by Colletotrichum fungi result in major agricultural losses worldwide. Here, we present two draft genomes of Colletotrichum spp. responsible for foliar and pod blight on African yam bean. Colletotrichum siamense and Colleto…
View article: Analysis of Parent and F1 Progeny Verification in African Yam Bean (Sphenostylis stenocarpa Hochst, Ex. A. Rich. Harms) Using Cowpea SSR Markers
Analysis of Parent and F1 Progeny Verification in African Yam Bean (Sphenostylis stenocarpa Hochst, Ex. A. Rich. Harms) Using Cowpea SSR Markers Open
African yam bean (Sphenostylis stenocarpa Hochst, Ex. A. Rich. Harms) is an important grain legume in Sub-Saharan Africa because of its nutritional value and adaptability to various agroecological zones. To foster the varietal development …
View article: Genome-wide association studies of photosynthetic and agronomic traits in cowpea collection
Genome-wide association studies of photosynthetic and agronomic traits in cowpea collection Open
Exploring genomic regions linked with drought tolerance and photosynthesis in cowpea could accelerate breeding of climate-resilient cowpea varieties. A genome-wide association study (GWAS) was conducted to identify marker–trait association…
View article: Morphological, pathological and phylogenetic analyses identify a diverse group of <i>Colletotrichum</i> spp. causing leaf, pod and flower diseases on the orphan legume African yam bean
Morphological, pathological and phylogenetic analyses identify a diverse group of <i>Colletotrichum</i> spp. causing leaf, pod and flower diseases on the orphan legume African yam bean Open
African yam bean (AYB; Sphenostylis stenocarpa ) is an underutilized legume indigenous to Africa with great potential to enhance food security and offer nutritional and medicinal opportunities. However, low grain yield caused by fungal dis…
View article: Inhibitory activities of ten accessions of underutilised West Africa legume Macrotyloma geocarpum (Harms) Maréchal & Baudet, growing in Nigeria against metabolic enzymes α-amylase and α-glucosidase
Inhibitory activities of ten accessions of underutilised West Africa legume Macrotyloma geocarpum (Harms) Maréchal & Baudet, growing in Nigeria against metabolic enzymes α-amylase and α-glucosidase Open
Underutilised legumes are important crop species whose cultivation and consumption are declining despite their medicinal and nutritional benefits. One of the most pressing global health concerns of the twenty-first century is diabetes, cha…
View article: Analysis of Parents and F1 Progenies Verification in African Yam Bean (Sphenostylis stenocarpa Hochst. Ex. A. Rich.) Harms Using Cowpea SSR Markers.
Analysis of Parents and F1 Progenies Verification in African Yam Bean (Sphenostylis stenocarpa Hochst. Ex. A. Rich.) Harms Using Cowpea SSR Markers. Open
African yam bean (Sphenostylis stenocarpa Hochst, Ex. A. Rich. Harms) is an important grain legume in sub-Saharan Africa because of its nutritional value and adaptability to various agroecological zones. To foster the varietal development …
View article: Author Correction: Serological and RT-PCR evaluation of African yam bean (Sphenostylis stenocarpa (Hochst ex. A. Rich) Harms) accessions to viral resistance under field condition
Author Correction: Serological and RT-PCR evaluation of African yam bean (Sphenostylis stenocarpa (Hochst ex. A. Rich) Harms) accessions to viral resistance under field condition Open
View article: Optimizing the accession-level quantity of seeds to put into storage to minimize seed (gene)bank regeneration or re-collection
Optimizing the accession-level quantity of seeds to put into storage to minimize seed (gene)bank regeneration or re-collection Open
Seed (gene)banking is an effective way to conserve cultivated and wild plant diversity. However, long-term funding is not always consistently sufficient, and there is need to both strengthen the effectiveness of genebank operations and max…
View article: The pattern of genetic variability in a core collection of 2,021 cowpea accessions
The pattern of genetic variability in a core collection of 2,021 cowpea accessions Open
Cowpea is a highly drought-adapted leguminous crop with great promise for improving agricultural sustainability and food security. Here, we report analyses derived from array-based genotyping of 2,021 accessions constituting a core subset …
View article: Serological and RT-PCR evaluation of African yam bean (Sphenostylis stenocarpa (Hochst ex. A. Rich) Harms) accessions to viral resistance under field condition
Serological and RT-PCR evaluation of African yam bean (Sphenostylis stenocarpa (Hochst ex. A. Rich) Harms) accessions to viral resistance under field condition Open
View article: Morphological, pathological and phylogenetic analyses identify a diverse group of<i>Colletotrichum</i>spp. causing leaf, pod, and flower diseases on the orphan legume African yam bean
Morphological, pathological and phylogenetic analyses identify a diverse group of<i>Colletotrichum</i>spp. causing leaf, pod, and flower diseases on the orphan legume African yam bean Open
African yam bean (AYB; Sphenostylis stenocarpa Hochst. Ex A. Rich.) is an underutilized legume indigenous to Africa. The crop has great potential as it can enhance food security and its chemical composition offers nutritional and medicinal…
View article: The pattern of genetic variability in a core collection of 2,021 cowpea accessions
The pattern of genetic variability in a core collection of 2,021 cowpea accessions Open
Cowpea is a highly drought-adapted leguminous crop with great promise for improving agricultural sustainability and food security. Here, we report analyses derived from array-based genotyping of 2,021 accessions constituting a core subset …
View article: Morphometric diversity of some Nigerian accessions of Bambara groundnut (<i>Vigna subterranea</i>)
Morphometric diversity of some Nigerian accessions of Bambara groundnut (<i>Vigna subterranea</i>) Open
This study evaluated the morphological diversity of some Nigerian accessions of Bambara groundnut. Field experiments were conducted in Nigeria in two locations and the phenotypic variation of Bambara groundnut accessions evaluated in 3 yea…
View article: Carbohydrate Profiling of Different Accessions of Three Underutilized Legumes: A Potential Source of Valuable Nutraceuticals and Pharmaceuticals
Carbohydrate Profiling of Different Accessions of Three Underutilized Legumes: A Potential Source of Valuable Nutraceuticals and Pharmaceuticals Open
Carbohydrates are significant components of legumes, and their profiling can provide information about their nutritional value and potential health benefits. This study explores the proximate composition and carbohydrate profiles of access…
View article: Assessment of Yield Stability of Bambara Groundnut (Vigna subterranea (L.) Verdc.) Using Genotype and Genotype–Environment Interaction Biplot Analysis
Assessment of Yield Stability of Bambara Groundnut (Vigna subterranea (L.) Verdc.) Using Genotype and Genotype–Environment Interaction Biplot Analysis Open
Biplot analysis has emerged as a crucial statistical method in plant breeding and agricultural research. The objective of this research was to identify the best-performing genotype(s) for the environments in three distinct regions of Niger…
View article: Serological and RT-PCR evaluation of African yam bean (Sphenostylis stenocarpa(Hochst ex. A. Rich) Harms) accessions to viral resistance under field condition
Serological and RT-PCR evaluation of African yam bean (Sphenostylis stenocarpa(Hochst ex. A. Rich) Harms) accessions to viral resistance under field condition Open
Background African yam bean (AYB) (Sphenostylis stenocarpa (Hochst ex. A. Rich.) Harms) an underutilized legume that produces nutritionally healthy seeds and tubers in some variety. The low yield of the crop is attributed to production con…
View article: Impact of nitrogen-fixation bacteria on nitrogen-fixation efficiency of Bambara groundnut [Vigna subterranea (L) Verdc] genotypes
Impact of nitrogen-fixation bacteria on nitrogen-fixation efficiency of Bambara groundnut [Vigna subterranea (L) Verdc] genotypes Open
Nitrogen fixation by bacteria is essential for sustaining the growth, development, and yield of legumes. Pot experiments were carried out at the International Institute of Tropical Agriculture (IITA) in the glasshouse between August to Dec…
View article: Diversity Assessment of Winged Bean [Psophocarpus tetragonolobus (L.) DC.] Accessions from IITA Genebank
Diversity Assessment of Winged Bean [Psophocarpus tetragonolobus (L.) DC.] Accessions from IITA Genebank Open
The capability of winged bean to support food and nutrition security in sub-Saharan Africa is recurrently being affected by several constraints, which include a lack of genetic improvement. The dearth of adequate information on the level o…
View article: Assessment of Genetic Diversity in Winged Bean [<em>Psophocarpus Tetragonolobus</em> (L.) DC.] Accessions Using Morphological Traits and Microsatellite Markers
Assessment of Genetic Diversity in Winged Bean [<em>Psophocarpus Tetragonolobus</em> (L.) DC.] Accessions Using Morphological Traits and Microsatellite Markers Open
Winged bean productivity and the potential to enhance food and nutrition security in sub-Saharan Africa are recurrently affected by several constraints, including but not limited to the lack of genetic improvement. The dearth of adequate i…