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Effectivity of Clerodendron inerme L., Catharanthus roseus (L.) G. Don. and Azolla pinnata R. Br. for management of root-knot nematodes in okra.


The effect of leaf powders of C. [Clerodendrum] inerme, C. roseus and A. pinnata at 25 g/m row on control of Meloidogyne incognita and M. javanica in okras was investigated in microplots. All plant products significantly reduced root-knot index, a 32.2, 30.8, 28.7 and 24.6% reduction occuring with C. inerme, white and pink flowered C. roseus and A. pinnata, resp.