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Pathogenicity of Root-knot Nematode, Meloidogyne incognita Infecting Cucumber under Protected Cultivation

Author: Mayuri Y. Patel, R. K. Thumar, Ajay Kumar Maru and Anjana Prajapati

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Abstract

In a study on pathogenicity of Meloidogyne incognita an inoculum level of 10 juveniles (J2)/plant/pot was detrimental to the growth and development of cucumber, indicating it as a pathogenic threshold level of M. incognita during 2022 and 2023. Root, soil and total nematode population of the cucumber increased progressively with an increase in inoculum levels from 10 to 10,000 J2/plant. Nematode reproduction rate decreased with an increase in inoculum levels and it was maximum in the level of 10 J2/plant and minimum in 10,000 J2/plant against root-knot nematode in cucumber

Keywords

Pathogenicity, cucumber, M. incognita, inoculum level

Conclusion

In a study on pathogenicity of Meloidogyne incognita, an inoculum level of 10 juveniles (J2)/plant/pot was found detrimental to the growth and development of cucumber. Root, soil and total nematode population of M. incognita/plant increased progressively with an increase in inoculum levels from 10 to 10,000 J2/plant. Nematode reproduction rate decreased with an increase in inoculum levels and it was maximum in the level of 10 J2/plant and minimum in 10,000 J2/plant; while in the study on pathogenicity of M. javanica pt.1 an inoculum level of 10 (J2)/plant/pot was detrimental to the growth and development of cucumber indicating the pathogenic threshold level of M. javanica pt.1. Root, soil and total nematode population of M. javanica pt.1/plant increased progressively with an increase in the inoculum levels from 10 to 10,000 J2/plant. Nematode reproduction rate decreased with an increase in inoculum levels and it was maximum in the level of 10 J2/plant and minimum in 10,000 J2/plant

References

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How to cite this article

Mayuri Y. Patel, R. K. Thumar, Ajay Kumar Maru and Anjana Prajapati (2025). Pathogenicity of Root-knot Nematode, Meloidogyne incognita Infecting Cucumber under Protected Cultivation. Biological Forum, 17(3): 61-65