Allelopathic Effects of Various Tree Leaves Extracts on Germination and Seedling Growth of Cyperus Rotundus (L.), Trianthema Portulacastrum (L) and Dactyloctenium Aegyptium (L)
Journal Title: International Journal of Agricultural Science and Research (IJASR) - Year 2017, Vol 7, Issue 3
Abstract
A study on the allelopathic effect of leaf extracts of Prosopis juliflora, Tamarindus indica, Eucalyptus camaldulensis, Annona squamosa and Mangifera indica at 10, 20 and 30 percent concentrations on germination and seedling growth of Cyperus rotundus, Trianthema portulacastrum and Dactyloctenium aegyptium was conducted at Agricultural College and Research Institute, Madurai during 2015. The results of this study revealed that allelopathic chemicals in leaf extracts of mango leaves drastically suppressed the germination of Cyperus rotundus (48.3%), Trianthema portulacastrum (50.7%) and Dactyloctenium aegyptium (51.1%). Pre-emergence application of Mangifera indica leaf extract at 30 per cent distinctly reduced the fresh weight and dry weight of Cyperus rotundus, Trianthema portulacastrum and Dactyloctenium aegyptium. The higher Cyperus, Trianthema and Dactyloctenium control efficiency (73.7, 63.4% and 43.0%, respectively) were registered under the treatment of pre-emergence application of Mangifera indica leaf extract at 30 per cent. The findings from our study suggests that compounds from mango leaves extract have a strong phytotoxic impending and can provide as lead molecules for the production of bioherbicides.
Authors and Affiliations
A. Sathishkumar, G. Srinivasan, T. Ragavan, S. Thiyageshwari, N. Aananthi
Keywords
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