Leaf elemental composition of Cleome gynandra L. as influenced by giant kelp extract and kraal manure application
Naledi Makhubalo, Chuene Victor Mashamaite, Alen Manyevere
TL;DR
This study shows how using giant kelp extract and kraal manure affects the mineral content of Cleome gynandra leaves, a traditional leafy vegetable.
Contribution
The study provides new insights into how specific combinations of kelp extract and manure influence spider plant leaf mineral composition.
Findings
30 kg/345 m2 kraal manure increased several leaf minerals like nitrogen, calcium, and iron.
2 mL/L giant kelp extract boosted iron, manganese, and zinc in spider plant leaves.
Combining 2 mL/L GKE with 30 kg/345 m2 KM enhanced nitrogen, iron, manganese, and zinc levels.
Abstract
Cleome gynandra L. (spider plant) is a traditional leafy vegetable that contains minerals, vitamins, proteins, and phytochemical compounds. However, little is known about the effects of sole KM (kraal manure), GKE (giant kelp extract), and GKE + KM on spider plant leaf mineral composition. This study aimed to determine the effect of sole GKE, KM, and GKE + KM on leaf mineral composition. It is hypothesized that 1 mL/L GKE supplemented with 30 kg/345 m2 KM will influence leaf nutrient composition. This hypothesis was tested using a split-plot design across two growing seasons at the University of Fort Hare research farm, to assess treatment-specific effects on macro- and micronutrient accumulation in spider plant leaves. The main plots comprised three levels of KM (0, 30, and 60 kg/345 m2) and subplots comprised five levels of GKE (0, 1, 2, 3, and 4 mL/L), each replicated three times. A…
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Taxonomy
TopicsSeed and Plant Biochemistry · Cynara cardunculus studies · Phytochemical and Pharmacological Studies