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166 results on '"Modi, Albert T."'

1. Impact of pre-existing depression and food insecurity on the trajectory of depressive symptomatology during the COVID-19 pandemic outbreak in South Africa: A panel analysis of nationally representative South African data

Author

Dladla-Jaca, Philile, Ncama, Busisiwe P., Moodley, Yoshan, Sobratee-Fajurally, Nafiisa, Davids, Rashieda, Ngidi, Mjabuliseni Simon C., Sutherland, Catherine, Siwela, Muthulisi, Mabhaudhi, Tafadzwanashe, Modi, Albert T., Slotow, Rob, Burns, Jonathan K., and Tomita, Andrew

Published
2024
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6. Integrated analysis of agronomic traits and nutritional composition in Bambara groundnut: correlation, regression, and path coefficient approaches.

Author

Hlanga, Nokuthula C., Modi, Albert T., Mathew, Isack, and Sibiya, Julia

Subjects
*BAMBARA groundnut, *FEED analysis, *PATH analysis (Statistics), *ELECTRON microscopy, *FOOD security
Abstract

Bambara groundnut is vital for food security due to its high nutritional content and resilience to environmental stresses. The objectives of the study were to determine associations among agronomic traits and nutrients in Bambara groundnut and identify traits influencing grain production in Bambara groundnut. Field experiments were conducted at the University of KwaZulu-Natal's Ukulinga Farm and Controlled Environment Facility (CEF) to assess agronomic performance and nutritional content. Nutritional content was evaluated using standard combustion procedures and electron microscopy. Correlation, regression, and path coefficient analyses revealed varying relationships among agronomic traits, nutrient content, and grain yield. The number of seeds (NS), healthy seeds (NHS), and plant height (PH) exhibited significant associations with grain yield. Neutral detergent fiber (NDF), starch, magnesium (Mg), nitrogen (N), oxygen (O), and phosphorus (P), were the key predictors of grain yield productivity. Path coefficient analysis showed that NS, PH and magnesium, oxygen, and carbon contents positively affected grain yield. In conclusion, grain yield was influenced by multiple traits through different pathways that are complicated by the growing environment. Selecting taller genotypes with good agronomic traits and high nutrient content is recommended to develop high yielding Bambara groundnut cultivars. [ABSTRACT FROM AUTHOR]

Published
2024
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13. Bambara groundnut : an exemplar underutilised legume for resilience under climate change

Author

Mayes, Sean, Ho, Wai Kuan, Chai, Hui Hui, Gao, Xiuqing, Kundy, Aloyce C., Mateva, Kumbirai I., Zahrulakmal, Muhammad, Hahiree, Mohd Khairul Izwan Mohd, Kendabie, Presidor, Licea, Luis C. S., Massawe, Festo, Mabhaudhi, Tafadzwanashe, Modi, Albert T., Berchie, Joseph N., Amoah, Stephen, Faloye, Ben, Abberton, Michael, Olaniyi, Oyatomi, and Azam-Ali, Sayed N.

Published
2019

18. Relationship between laboratory and field assessments of common bean (Phaseolus vulgaris L.) seed quality indicators.

Author

MODI, Albert T.

Subjects
COMMON bean, SEED quality, GERMINATION
Abstract

Copyright of Acta Agriculturae Slovenica is the property of Biotechnical Faculty of the University of Ljubljana and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2023
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26. Properties and indigenous knowledge of soil materials used for consumption, healing and cosmetics in KwaZulu-Natal, South Africa.

Author

Buthelezi-Dube, Nkosinomusa N., Muchaonyerwa, Pardon, Hughes, Jeffrey C., Modi, Albert T., and Caister, Karen

Subjects
TRADITIONAL knowledge, HEALING, COPPER, LEAD, SOILS
Abstract

Ethnopedological studies focus on agricultural soils resulting in undervaluation of non-agricultural soil materials during land classification. In this study, ethnographic and ethnopedologic methods were used to obtain local knowledge and gain in-depth understanding of non-agricultural soils, their mineralogical and elemental composition relating to application in geophagy, healing and cosmetic purposes in two villages in KwaZulu-Natal, South Africa. In each village a questionnaire was administered to fifty randomly selected individuals from which ten knowledgeable volunteers (including eight geophagists from two villages) provided details on the selection criteria, the desired properties and why the soils performed the claimed role. Users based their selection on macromorphological features (e.g. colour, texture and location within the soil) and indigenous knowledge. Geophagic materials were mainly sourced from C horizons. They were mostly fine-grained with mica, kaolinite and quartz, and elements such as copper (Cu), zinc (Zn), cobalt (Co) and lead (Pb). Natural pigments, such as iron oxides in highly weathered soils, were recognised as sunscreen materials. Although the mechanisms were not understood by users, laboratory analyses showed that the mineralogical and chemical properties of the soil materials played a crucial role. The sunscreen and healing capabilities of these soils were related to high contents of titanium (TiO2) and iron (Fe2O3) and the presence of kaolinite. Further appraisal of these soil materials is necessary for their conservation and inclusion in land classification. [ABSTRACT FROM AUTHOR]

Published
2022
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28. African Leafy Vegetables for Improved Human Nutrition and Food System Resilience in Southern Africa: A Scoping Review

Author

Isaac, Admire, Shayanowako, Tichafa, Morrissey, Oliver, Tanzi, Alberto, Muchuweti, Maud, Mendiondo, Guillermina M, Mayes, Sean, Modi, Albert T, Mabhaudhi, Tafadzwanashe, and Durazzo, Alessandra

Subjects
Renewable Energy, Sustainability and the Environment, Geography, Planning and Development, Management, Monitoring, Policy and Law
Abstract

The economic potential of African leafy vegetables (ALVs) remains obscured by a poorly developed value chain. This scoping review assembled and examined scattered knowledge generated on ALVs across southern Africa, focusing on production, processing, marketing, and consumption. Two electronic databases (Scopus and Web of Science) were screened, and a total of 71 relevant studies were included and evaluated. The review provides a state of the art on knowledge related to utilisation of ALVs across the entire value chain. The findings show that functional properties are of prime importance in the production and consumption of ALVs. However, the lack of improved germplasm and a non-existent seed supply system are significant production bottlenecks. Pests and diseases affecting the productivity of ALVs remain mostly unexplored. Sun-drying and boiling were the most reported post-harvest processing methods, suggesting that traditional processing methods are still prominent. Many studies also confirmed the predominance of informal marketsin the trading of ALVs as they fail to penetrate formal markets because of poor product positioning and exclusion from produce demand and supply forecasts. The inception of cultivar development,mechanised processing methods, and market linkages will enhance the profitability of ALVs in the region. This review enhances the gaining of insight into the state of different value chain componentswill assist in upscaling production, value addition of products, and enhance marketing efficiency. There is a great opportunity for basic and applied research into ALVs.

Published
2021

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