EFFECTS OF LEAF EXTRACT-BASED BIOSYNTHESIZED MANGANESE NANOPARTICLES ON GROWTH AND YIELD OF RICE (Oryza sativa VAR. NERICA)
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Abstract
The effects of leaf extract-based biosynthesized manganese nanoparticles on growth and yield of rice (Oryza sativa var. Nerica) was assessed. The study was carried out in the Department of Plant Biology and Biotechnology, Faculty of Life Sciences, University of Benin, utilized leaves from four plant species: Carica papaya (Pawpaw), Azadiracta indica (Neem), and the flowers of
Hibiscus sabdarifa (red sorrel, commonly known as ‘zobo leaves’). The rice variety employed was Nerica rice, sourced from a farm in Delta state, Nigeria. Both ferruginous and nonferruginous soils were employed in the study. Nanoparticles were synthesized in the laboratory and applied within 3-4 hours post-synthesis to the rice plants, four weeks after planting. Application involved foliar spraying of each leaf species at room temperature, under sterile conditions. The nanoparticle treatments encompassed the control, ZM1 (5%), ZM2, and so forth (25%), ZM3 (50%), PM1 (5%), PM2 (25%), PM3 (50%), NM1 (5%), NM2 (25%), and NM3
(50%).
Hibiscus sabdarifa (red sorrel, commonly known as ‘zobo leaves’). The rice variety employed was Nerica rice, sourced from a farm in Delta state, Nigeria. Both ferruginous and nonferruginous soils were employed in the study. Nanoparticles were synthesized in the laboratory and applied within 3-4 hours post-synthesis to the rice plants, four weeks after planting. Application involved foliar spraying of each leaf species at room temperature, under sterile conditions. The nanoparticle treatments encompassed the control, ZM1 (5%), ZM2, and so forth (25%), ZM3 (50%), PM1 (5%), PM2 (25%), PM3 (50%), NM1 (5%), NM2 (25%), and NM3
(50%).
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