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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Index Copernicus ICV 2017: 100.00
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Int.J.Curr.Microbiol.App.Sci.2019.8(10): 795-799
DOI: https://doi.org/10.20546/ijcmas.2019.810.091


Distribution of Plant Parasitic Nematodes Associated with Millets
M. ShanmugaPriya*, K. Poornima and V. Vigila
Centre of Excellence in Millets (Tamil Nadu Agricultural University), Athiyandal, Tiruvannamalai, Tamil Nadu, India
*Corresponding author
Abstract:

A survey was conducted to explore the existence of plant parasitic nematodes associated with millet crops in Tiruvannamalai District. In this study, nine genera of plant-parasitic nematodes were recognized. The analysis of nematode communities revealed that the Tylenchorynchus sp. was the most frequently occurring nematode having an absolute frequency of 46.6% followed by Helicotylenchus sp. (38.8%) and Meloidogyne sp. (25.9%). These were followed by Pratylenchus sp. (23.3%), Hoplolaimus sp. (20.7%), Criconemoides sp. (6.0%), Heterodera sp. (4.3%) and Rotylenchulus sp. (3.4%). Trichodorus sp. was least frequently occuring species (2.6%). The maximum absolute density was recorded for Tylenchorynchus sp. followed by Meloidogyne sp. and Helicotylenchus sp. with 300, 225 and 122 individuals per 200cc soil respectively. Considering both frequencies and densities, the highest prominence value of 52.0 was recorded for Tylenchorhynchus sp. followed by Meloidogyne sp. (33.8), Helicotylenchus sp. (13.5) and Pratylenchus sp. (10.1). These were followed by Heterodera sp. (7.3), Hoplolaimus sp. (5.1), Trichodorus sp. (4.1), Criconemoides sp. (1.0) and Rotylenchulus sp. (0.3).Of these, root-knot nematode (Meloidogynespp.) in little millet at Jamunamarathur and Tiruvannamalai blocks and cyst nematode (Heterodera sp.) in kodo millet at Tiruvannamalai block were very important genera.


Keywords: Millets, Plant Parasitic Nematodes, Community analysis, Root knot
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How to cite this article:

ShanmugaPriya, M., K. Poornima and Vigila, V. 2019. Distribution of Plant Parasitic Nematodes Associated with Millets.Int.J.Curr.Microbiol.App.Sci. 8(10): 795-799. doi: https://doi.org/10.20546/ijcmas.2019.810.091