Informations et ressources scientifiques
sur le développement des zones arides et semi-arides

Titre : Application of plant growth promoting substances and arbuscular mycorrhizal fungi for phytostabilisation of mine tailings

Auteur : Rossouw, Marthinus Jacob

Université de soutenance : Stellenbosch University

Grade : Master of Science (MS) 2016

Présentation
This study focused on investigating methods of phytostabilisation of mine tailings operated by Palabora Copper in South Africa. Capping material and mine tailing at various sites of the mine were collected and used in pot trials to investigate the effect of a number of plant growth promoting substances (PGPS) on several of grass species currently used in effort to stabilise the areas in question. Lumichrome, strigolactones (GR24), flavonoids (CropbioLife™), smoke-water (karrikins) and arbuscular mycorrhizal fungi (Mycoroot™) were used as PGPS to investigate growth-promoting effects on i) Anthephora pubescens, Cenchrus ciliaris, Chloris gayana, Cynodon dactylon, and Panicum maximum which are species currently used by Palabora Copper for rehabilitation of mine tailings, and ii) Additional grass species theoretically suited to surviving the environment.

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