article · Research Journal of Botany
Mungbean is an orphan legume crop vital for food security. This research evaluated the impact of applying biosynthesised titanium oxide nanoparticles alongside rice compost on mungbean productivity. In controlled trials using varying treatment levels, rice compost applied at 7.5 grams enhanced vegetative growth, producing taller plants, broader leaves, and greater numbers of leaves and branches. Titanium oxide nanoparticles influenced specific yield parameters depending on concentration: 200 parts per million increased the number of seeds per pod, 400 parts per million increased stem diameter, and 600 parts per million enhanced pod yield. Additionally, compost at 5.0 grams produced high seed fibre, while nanoparticles at 800 parts per million enhanced leaf chlorophyll. Although the amendments did not exceed untreated controls in overall physiological and biochemical yield, they showed distinct growth-enhancing properties.
Mungbean provides essential nutritional value and supports food security in Sub-Saharan Africa. Identifying how organic waste amendments like rice compost and biosynthesised nanoparticles influence crop growth allows researchers to explore targeted, accessible soil enhancement strategies that may boost orphan legume productivity in resource-constrained agricultural settings.
This early-stage experimental research suggests potential applications for agricultural input manufacturers and biofertiliser developers targeting pulse production. Because the treatments did not outperform controls across all physiological metrics, the concept is far from market deployment. Significant further testing, field validation, and formulation refinement are necessary before commercialisation pathways can be established.
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Background and Objective: Mungbean (Vigna radiata L.) plays a crucial role in global food security, making it imperative to explore innovative approaches to enhance its productivity.The study aimed to determine the effects of biosynthesized Titanium Oxide Nanoparticles (TiO 2 NPs) and rice compost on the overall productivity of the crop.Materials and Methods: A complete randomized experimental design was set up.Treatments were applied at different levels of concentration.Data were collected on growth, flowering, yield, physiological and biochemical parameters.Data were analyzed on the Minitab 16.0 using the one-way ANOVA.Treatment means were separated using the Fisher LSD method at p#0.05 level of significance.Results: Significant differential responses to treatments (p<0.05) were recorded in plant height and leaf width at day 40 where rice compost at 7.5 g gave the tallest plant height (23.5 cm) and leaf width (5.2 cm).At day 60, rice compost at 7.5 g increased the number of leaves (23.9) and branches (12.4).The TiO 2 at 400 and 600 ppm influenced stem diameter and pod yield respectively while 200 ppm increased the number of seeds per pod.Rice compost at 5.0 g yielded high seed fiber while TiO 2 at 800 ppm and rice compost at 5.0 g yielded high chlorophyll in the leaf.Conclusion: Although the two treatment types did not perform better than the control (without treatment) in the physiological and biochemical yield of the plant, rice compost was found to be an effective growth enhancer at 7.5 g level while titanium oxide nanoparticles at lower doses (20-60 ppm) improved stem diameter and pod production.They are recommended as biofertilizers in the production of mungbean, as an orphan legume crop, to boost food security in Sub-Saharan Africa.
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DOI: 10.3923/rjb.2025.103.110
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