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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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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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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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(11): 204-209
DOI: https://doi.org/10.20546/ijcmas.2019.811.025


Field Efficacy of Metarhizium anisoplae (Metschnikoff) Sorokin and (Heterorhabditis indica) for the Management of White Grub in Small Onion
S. Divya* and V.E. Nethaji Mariappan
ICAR-Krishi Vigyan Kendra, Hans Roever Campus, Valikandapuram-621 115, Perambalur Dt., Tamil Nadu, India
*Corresponding author
Abstract:

Field experiments were conducted on small onion for white grub management using entomopathogenic fungi Metarhizium anisopliae (Metschnikoff) Sorokin and entomopathogenic nematode (Heterorhabditis indica) and synthetic insecticides (farmers’ practices) at Kurumbalur pudhur village, Perambalur district. Application of commercially available EPN (Heterorhabditis indica) @ 1 kg/acre against onion white grub Holotrichia serrata (Blanch) was found effective (95.28 %) followed by Metarhizium anisoplae @ 1 kg/ acre registered 83.02% reduction in grub population on 60th DAT. The highest bulb yield was recorded when basal application of H. indica (130.6 q ha-1), followed by M. anisopliae (101.8 q ha-1) and Farmer practices (84.6 q/ ha-1). Benefit cost ratio (BCR) was high with application of H. indica (3.15) followed by M. anisoplae (2.52) and farmers practices (1.90).


Keywords: Onion, White grub Holotrichia serrata, Heterorhabditis indica, Metarhizium anisopliae
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How to cite this article:

Divya, S. and Nethaji Mariappan, V.E. 2019. Field Efficacy of Metarhizium anisoplae (Metschnikoff) Sorokin and (Heterorhabditis indica) for the Management of White Grub in Small Onion.Int.J.Curr.Microbiol.App.Sci. 8(11): 204-209. doi: https://doi.org/10.20546/ijcmas.2019.811.025