Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2015 Vol: 7 Issue: 3

Nematicidal activity of root exudates of sengon plant inoculated with endophytic fungi Nigrospora sp. to control of root-knot nematode Meloidogyne spp.


Root exudates are substances released by roots and may affect activity of soil organisms in the rhizosphere including of plant parasitic nematodes. The research was aimed to determine the effect of different concentrations of root exudates of sengon plant (Paraserianthes falcataria) that had been inoculated with endophyitic fungi Nigrospora sp. to control root-knot nematode, Meloidogyne spp. The study was conducted using sand block test method. Block I was the area of application of the Meloidogyne-J2. Block II was the area between the application of Meloidogyne-J2 and zone of roots, while Block III was the roots zone of plants. All concentration treatments, except 6.25% of root exudates in Block III had lower population of Meloidogyne-J2 and statistically, significantly different from the untreated control. In Block III, concentration of 100% root exudates treatment suppressed the Meloidogyne-J2 population to the level of 20 % of the population in control.

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