Toxicity of certain plant extracts to Meloidogyne incognita

A. Mani, K. C. Chitra


Eleven leaf extracts were tested under laboratory conditions to study their effect on the second stage juveniles of Meloidogyne incognita (Kofoid et White) Chitw. Leaf extracts of Calotropis gigantea (L.) R. Br., Datura stramonium L., Leucaena leucocephala L. and Tridax procumbens L. were the most potent treatments which were effective at 500 and/or 1000 ppm concentration and caused a high mortality of the second-stage juveniles of M. incognita.

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