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Asian Journal of Plant Sciences
Year: 2003  |  Volume: 2  |  Issue: 11  |  Page No.: 858 - 860

Nematicidal Activity of Ginger and its Effect on the Efficacy of Pasteuria penetrans for the Control of Root Knot Nematodes on Tomato

Amer-Zareen, M. Javed Zaki and Nazir Javed    

Abstract: Aqueous ginger extract was tested against root knot nematode Meloidogyne javanica. In vitro studies, higher concentrations of extract (100% concentration) suppressed root knot egg hatching and caused juveniles mortality. Pasteuria endospore attachment was greater in 25% concentration extracts compared to those at 100 and 50% concentrations. Plant growth improved and disease severity was reduced when combined applications of the plant extract and P. penetrans were applied. In treatments receiving 25% extract and P. penetrans, 72% females were parasitized by the bacterial antagonist and 9 spores of bacteria per juvenile were found attached with nematode cuticle.

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