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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(1): 942-948
DOI: https://doi.org/10.20546/ijcmas.2018.701.113


 Studies on Pathogenicity of Root-Knot Nematode, Meloidogyne incognita on Turmeric
K.J. Niranjana Prabhu1*, V. Kantharaju1, N. Thammaiah2, Y.S. Mahesh3 and T.N. Pushpa1
1K. R. C College of Horticulture, Arabhavi, Karnataka, India
2College of Horticulture, Mysuru, Karnataka, India
3College of Horticulture, Bagalkot, Karnataka, India
*Corresponding author
Abstract:

Root-knot nematode (Meloidogyne spp.) is one of the major problem, which causes galls/knots in the rhizomes and causes considerable yield loses. A pot study was conducted to assess the pathogenicity of Meloidogyne incognita on turmeric at different inoculum densities (0, 10, 100, 1000, 5000 and 10000 J2 per pot). The progressive reduction in growth and yield parameters with the increasing inoculum levels of M. incognita was observed. However, plant height of 44.33 cm was recorded in plants inoculated with 10000 J2 per pot as against maximum of 69.67 cm in plants inoculated with 10 J2 per plant. The least rhizome fresh weight (181.00 g) and dry weight (35.67 g) was recorded in plants inoculated with 10000 J2 per pot. The soil nematode was highest in plants inoculated with 5000 J2 per pot (3610) followed by 10000 J2 per pot (2660) and least in pots inoculated with 10 J2 per pot (95.33). The highest number of galls per plant was observed in plants inoculated with 10000 J2 per pot (107.33) followed by 5000 J2 per pot (101.33). Reduction in growth and yield parameters and increase in number of galls was observed with increase in inoculum levels of M. incognita.


Keywords: Turmeric, Pathogenicity, Meloidogyne incognita
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How to cite this article:

Niranjana Prabhu, K.J., V. Kantharaju, N. Thammaiah, Y.S. Mahesh and Pushpa, T.N. 2018. Studies on Pathogenicity of Root-Knot Nematode, Meloidogyne incognita on Turmeric.Int.J.Curr.Microbiol.App.Sci. 7(1): 942-948. doi: https://doi.org/10.20546/ijcmas.2018.701.113