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Stellenbosch University (2021)

Use of biostimulants to assess the production of the underutilised legume, Bambara groundnut

Zidubule, Siphiwo

Titre : Use of biostimulants to assess the production of the underutilised legume, Bambara groundnut

Auteur : Zidubule, Siphiwo

Université de soutenance : Stellenbosch University

Grade : Master Degree (Agronomy) 2021

Résumé partiel
Underutilised crops are an important part of local diets but have not been fully adopted in modern agriculture. Often, they are cultivated in marginal lands with low, if any, nutrients. The need for underutilised crop research becomes apparent not only because a big portion of plant based human food is mainly derived from a limited number of staple crops. With the threat of global warming and associated more extreme weather, and indirect impacts such as crop diseases, reliance on a few crops is a major challenge to food and nutritional security. Moreover, existing deficiencies of key vitamins and minerals pose a serious constraint to livelihoods, more especially in rural areas. Bambara groundnut (Vigna subterranea (L) Verdc.) is one of the crops that could be used to increase food production. With a reported high drought tolerance, Bambara groundnut is cultivated across Africa, but its full potential has not been realised and its agronomic performance scantily documented. Therefore, two greenhouse experiments, using two landraces of Bambara groundnut, were conducted at the Welgevallen experimental farm, Stellenbosch University, Stellenbosch. The aim was to investigate the effect of different biostimulants on the growth performance of Bambara groundnut. The specific objectives were to : (1) Evaluate the effect of different biostimulants on agronomic plant performance, (2) Assess the effects of biostimulants on the nutritional composition of Bambara groundnut seeds.

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Page publiée le 20 mai 2022