Evaluation of 93 Accessions of African Yam Bean (Sphenostylis stenocarpa) Grown in Ethiopia for Physical, Nutritional, Antinutritional, and Cooking Properties

Shitta, Ndenum Suzzy; Tesfaye, Agajie; Oselebe, Happiness Ogba; Edemodu, Alex; Alamu, Emmanuel Oladeji; Abberton, Michael T.; Maziya-Dixon, B.; Adesokan, Michael; Fenta, Berhanu Amsalu; Abtew, Wosene Gebreselassie

doi:10.1155/2022/8386258

“…Furthermore, number of pods/plant recorded in this study for African yam bean ranged between 20 and 44 and pod weight/plant was between 107 g to 255g. Above results were relatively in consonance with that of [19,20,21,22] etc. Selection in plant breeding is a very critical procedure to advance breeding progress, the process is eased when correlation analysis reveal proportional relationship among traits.…”

Section: Discussionsupporting

confidence: 85%

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2024

Int. J. Res. Agron.

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Pod and grain yield in legumes is a function of the quantity of flowers on the field. The present study explored flower and pod productivity potentials of 15 African yam bean (AYB) accessions to provide insight into their intra-specific grain yield potentials. The 15 accessions were evaluated in a randomized complete block design (RCBD) with three replicates at the Teaching and Research Farm, Federal University Oye-Ekiti (FUOYE), Ikole-Ekiti Campus, Nigeria. Data were collected on: number of flowers/peduncle (NOFP), number of filled pods/peduncle (NOFPP), number of unfilled pod/peduncle (NOUPP), number of pods/plant (NOPP) and pod weight/plant (PWP). Data were subjected to analysis of variance and genetic estimates were estimated from the variance components. Pearson correlation coefficient analysis was done using means of the data and ratios of flower to pod were estimated for each accession. Significant (≤0.001) variation existed among the 15 accessions for the five traits. Average NOFP, NOFPP, NOUPP, NOPP and PWP from the 15 accessions were 14.51, 2.06, 0.97, 32.36 and 174.44g respectively. DSs4B and DSs4C had above average NOFP, NOPP and PWP with NOUPP less than the average while TSs69A and DSs4A had above average for the five traits. NOPP had the highest (91.32%) broad-sense heritability. Mean proportion of pod to flower in this study was 21%, seven accessions had above this average, the highest (29%) occurred in DSs4A. African yam bean accessions had different flower-pod ratio efficiencies and pod productivity potential. This study unfolds a platform for pod productivity selection in AYB.

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Floral-pod efficiency and pod productivity potential among some African yam bean (Sphenostylis stenocarpa Hochst. Ex. A. Rich) Harms accessions

MU,

BD

2024

Int. J. Res. Agron.

0

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Pod and grain yield in legumes is a function of the quantity of flowers on the field. The present study explored flower and pod productivity potentials of 15 African yam bean (AYB) accessions to provide insight into their intra-specific grain yield potentials. The 15 accessions were evaluated in a randomized complete block design (RCBD) with three replicates at the Teaching and Research Farm, Federal University Oye-Ekiti (FUOYE), Ikole-Ekiti Campus, Nigeria. Data were collected on: number of flowers/peduncle (NOFP), number of filled pods/peduncle (NOFPP), number of unfilled pod/peduncle (NOUPP), number of pods/plant (NOPP) and pod weight/plant (PWP). Data were subjected to analysis of variance and genetic estimates were estimated from the variance components. Pearson correlation coefficient analysis was done using means of the data and ratios of flower to pod were estimated for each accession. Significant (≤0.001) variation existed among the 15 accessions for the five traits. Average NOFP, NOFPP, NOUPP, NOPP and PWP from the 15 accessions were 14.51, 2.06, 0.97, 32.36 and 174.44g respectively. DSs4B and DSs4C had above average NOFP, NOPP and PWP with NOUPP less than the average while TSs69A and DSs4A had above average for the five traits. NOPP had the highest (91.32%) broad-sense heritability. Mean proportion of pod to flower in this study was 21%, seven accessions had above this average, the highest (29%) occurred in DSs4A. African yam bean accessions had different flower-pod ratio efficiencies and pod productivity potential. This study unfolds a platform for pod productivity selection in AYB.

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Introduction to food, feed, and health wealth in African yam bean, a locked-in African indigenous tuberous legume

Adewale¹,

Nnamani²

2022

Front. Sustain. Food Syst.

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The African yam bean, Sphenostylis stenocarpa Hochst Ex. A. Richmond, Harms, is an indigenous tuberous legume of the humid tropics of Africa. Its edible pulse and tuber host significant promises for food, nutrition, and health security. It was identified as a counterpart of cowpea in the 1970s and rated to be highly nutritious, but notable constraints have denied it research and funding attention. “Cowpea revolution” further deprived focus on the African yam bean. However, some research updated and promoted its significant food, feed, and nutritional-pharmaceutical values between 1973 and 2000. The global trend for food diversification has further improved awareness and research on the African yam bean this past decade, but research focus on the tuber is incomparably small. The abundant minerals, vitamins, and bioactive compounds in the two economic products unveiled in the present review assure food, health, and nutritional security. The analytical comparison of nutritional values of the African yam beans and other grain legumes demonstrated the significant place of the crop among its counterparts. Furthermore, investigative research identified the grain as a good substitute for soybean for livestock feed formulations. Although no clinical study has been reported, some in vivo, in vitro, and ex vivo biological activities and human studies of the two economic products revealed their efficacy in the management of anti-natal lactation induction, anemia, diabetes, arthritis, etc. However, African yam bean still suffer displacement in rank, utilization, and popularity compared to the “favored” legumes. While the present review adds to its advocacy, awareness, and utilization, a coordinated research program that will boost its value chain is most necessary for progress.

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Evaluation of 93 Accessions of African Yam Bean (Sphenostylis stenocarpa) Grown in Ethiopia for Physical, Nutritional, Antinutritional, and Cooking Properties

Cited by 3 publications

References 40 publications

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Floral-pod efficiency and pod productivity potential among some African yam bean (Sphenostylis stenocarpa Hochst. Ex. A. Rich) Harms accessions

Introduction to food, feed, and health wealth in African yam bean, a locked-in African indigenous tuberous legume

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