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Original Research Articles                      Volume : 9, Issue:5, May, 2020

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.2020.9(5): 2700-2709
DOI: https://doi.org/10.20546/ijcmas.2020.905.309


Effect of Ten Insecticidal Plant Powders on Rice Weevil, Sitophilus oryzae L. and Grain Weight Loss in Stored Sorghum
Govindan*, S. Geethanjali, S. Douressamy, M. Pandiyan and G. Brundha
Agricultural College and Research Institute, Valavachanur – 606 753,Thiruvannamalai District, Tamil Nadu, India
*Corresponding author
Abstract:

Laboratory studies were conducted at Department of Crop Protection, Agricultural College and Research Institute, Valavachanur – 606 753, Thiruvannamalai District to study the effect of plant powders tested against rice weevil, Sitophilus oryzae infesting sorghum. The experiment on ten plant powders 2 per cent, among them Acorus calamus 2 per cent rhizome powder was found to be significantly the best compared to other treatments. At four days after the treatment highest mortality was registered in A. squamosa 2 per cent (88.88%) which was followed by Eclipta alba (51.11 %), C. indica (46.6 6 %) and A. indica 2 per cent (44.44%) and whereas untreated control recorded only 17.77 per cent. At six days after treatment highest mortality was seen in A. squamosa (98.88%) followed by E. alba (78.88%) while in control 36.66 per cent mortality was recorded and same trend was observed at 7 DAT. The experiment on adult emergence was nil in A. calamus 2 per cent rhizome powder treated sorghum grains while 97 adult rice weevils emerged from untreated control. No grain weight loss was recorded A. calamus 2 per cent rhizome powder treated sorghum grains. No grain weight loss was recorded A. calamus 2 per cent rhizome powder treated sorghum grains and 60 days after treatment while 47.25 per cent loss was registered in untreated control.


Keywords: Plant powders, Sitophilus oryzae,  Sorghum grains

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How to cite this article:

Govindan, K., S. Geethanjali, S. Douressamy, M. Pandiyan and Brundha, G. 2020. Effect of Ten Insecticidal Plant Powders on Rice Weevil, Sitophilus oryzae L. and Grain Weight Loss in Stored Sorghum.Int.J.Curr.Microbiol.App.Sci. 9(5): 2700-2709. doi: https://doi.org/10.20546/ijcmas.2020.905.309
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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