Efficacy of Botanicals and Carbofuran for the Control of Meloidogyne incognita Affecting Solanum lycopersicum L.
Fresh leaves of Calotropis procera, Wedelia chinensis, Lantana camara, Jatropha pandurifolia, Parthenium hysterophorus and Nerium indicum were evaluated for their hatching and mortality of Meloidogyne incognita. After that tested plants were used as an organic amendment for the management of M. incognita affecting Tomato. Four concentrations S, S/10, S/100 and S/1000 of leaf extracts of tested plants were prepared. All the plant extracts showed varied and significant results over control. The “S” concentration of leaf extracts of C. procera, P. hysterophorus, L. camara and W. chinensis exhibited 100% mortality over J. Pandurifolia, N. indicum after 48 h exposure period. Similarly, larval hatching was completely inhibited by “S” concentration of extracts of tested plants except for N. indicum after five days of the exposure period. Increased dilution showed a direct effect on hatching but a contrary effect on mortality. The juvenile mortality increased with increase in exposure period. In pot condition, soil amended with chopped leaves of tested plants 50 g and100 g alone and in combination with 50 g leaves plus carbofuran significantly enhanced the plant growth and decreased host infestation caused by M. incognita over control. Among treatments, C. procera leaves plus carbofuran were found to be the best in increasing plant growth and chlorophyll content.
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