Evaluation of bio-agents, synthetic insecticides and organic amendment against the root-knot nematode, Meloidogyne spp. in cardamom [Elettaria cardamomum (L.) Maton]

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  • Cardamom Research Station, Pampadumpara, KAU, Idukki – 685553, Kerala ,IN
  • Cardamom Research Station, Pampadumpara, KAU, Idukki – 685553, Kerala ,IN
  • Cardamom Research Station, Pampadumpara, KAU, Idukki – 685553, Kerala ,IN
  • Cardamom Research Station, Pampadumpara, KAU, Idukki – 685553, Kerala ,IN
  • Cardamom Research Station, Pampadumpara, KAU, Idukki – 685553, Kerala ,IN
  • Department of Nematology, CoA, Vellayani, Thiruvanathapuram – 695522, Kerala ,IN
  • Department of Agrl. Entomology, CoA, Vellanikkara, Thrissur – 680656, Kerala ,IN




Bio-agents, cardamom, Root Knot Nematode, insecticides and organic amendments, management


 Investigations were made to study the effects of three nemato-pathogenic fungi viz. Purpureocillium lilacinum, P. lilacinum + neem cake, Pochonia chlamydosporia and Trichoderma sp. as well as two synthetic insecticides (cartap hydrochloride and carbosulfan) against the Root-knot Nematodes (RKN) of cardamom at the farmers’ fields in three locations of Idukki district, Kerala, India during 2016- 2019. Results revealed that the combined application of P. lilacinum with neem cake gave maximum reduction of typical symptoms of infestation like the leaf narrowing (6.42%) and root knot formation (1.32 nos.) followed by P. chlamydosporia with 8.04% narrowed leaves and 1.83 root knots. The application of P. lilacinum and neem cake in combination (0.82 kg/plant and 2.99) followed by P. chlamydosporia (0.71 kg/plant and 2.71 recorded highest yield and Benefit Cost Ratio, respectively). Bio-control agents are therefore efficient and environmentally safer for managing the RKN in cardamom. Future studies can be directed to focus on the compatibility and efficiency enhancement of these bio-agents with organic amendments.


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How to Cite

T., S., M. K., D., M., M., K., A., T. S., A., R., N., & K. B., D. (2022). Evaluation of bio-agents, synthetic insecticides and organic amendment against the root-knot nematode, <i>Meloidogyne</i> spp. in cardamom [<i>Elettaria cardamomum</i> (L.) Maton]. Journal of Biological Control, 35(2), 68–75. https://doi.org/10.18311/jbc/2021/26772



Research Articles
Received 2021-01-17
Accepted 2021-12-26
Published 2022-03-01



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