Bio-nematicidal effect of botanicals against root-knot nematode (Meloidogyne incognita) in tomato (Solanum lycopersicum)

NEERAJ NEERAJ; ANIL KUMAR; VINOD KUMAR; MANISH KUMAR; AJAY SINGH SINDHU; SEWAK RAM GOEL; GURPREET SINGH

doi:10.56093/ijas.v89i12.96281

Authors

NEERAJ NEERAJ Ph D Scholar, Division of Nematology, ICAR-Indian Agriculture Research Institute, New Delhi
ANIL KUMAR Ph D Scholar, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
VINOD KUMAR Assistant Professor, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
MANISH KUMAR Ph D Scholar, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
AJAY SINGH SINDHU Ph D Scholar, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
SEWAK RAM GOEL Professor, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India
GURPREET SINGH Professor, CCS Haryana Agricultural University, Hisar, Haryana 125 004, India

https://doi.org/10.56093/ijas.v89i12.96281

Keywords:

Meloidogyne incognita, Plant extract, Root-knot nematode, Tomato, Larvicide

Abstract

Nematicidal efficacy of five botanicals, viz. turmeric (Curcuma longa), marwatulsi (Origanum majorana), mentha (Mentha arvensis), aonla (Phyllanthus emblica) and jatropha (Jatropha curcas) was evaluated under in vitro and in vivo conditions for their larvicidal properties against the root-knot nematode, Meloidogyne incognita in tomato during 2014â€“16 at Department of Nematology, CCSHAU, Hisar. Methanolic and hexane extracts of turmeric (Rhizome) showed varying degrees of lethality to M. incognita at different concentrations under in vitro conditions. Per cent larval mortality and inhibition of egg hatching were found to be directly proportional to the concentration of extracts and exposure period. In in vivo experiments, growth parameters and nematode reproduction factors (number of galls/ plant, number of egg masses/plant and final nematode population in soil) were evaluated post-treatment with chopped leaves of botanicals. The study showed that the treatment improved plant growth and reduced pathogen indices. The study suggests the representative role of botanicals in managing M. incognita in tomato plants.

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