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Abstract

Nematicidal activity of some spices against Meloidogyne javanica root knot nematode was examined. In vitro results showed that aqueous extract of Cuminum cyminum (100 % w/v) and ethanol extract of Capsicum annum, Cinnamomum tamala and Curcuma longa (1000 ppm) significantly inhibited egg hatching of Meloidogyne javanica. Aqueous extract of C. longa, Nigella sativa and Piper nigrum in 100% w/v whereas ethanol extract of C. tamala and P. nigrum in 1000 ppm caused appreciable mortality of second stage juveniles of M. javanica. Ethanol extract was found better as compared to aqueous extract. The concentration used @ 100% and 1000 ppm were found more effective and produced significant results as compared to 50%, 500 ppm and 250 ppm.

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