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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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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.2017.6(2): 735-743
DOI: http://dx.doi.org/10.20546/ijcmas.2017.602.081


Microbial Response to Different Herbicides Application in Maize for Effective Weed Management
Tapas Ranjan Sahoo1*, U.K. Hulihalli2, R.K. Paikaray1 and U. Mohapatra3
1Department of Agronomy, CA, OUAT, Bhubaneswar, Odisha, India
2Department of Agronomy, CA, UAS, Dharwad, Karnataka, India
3Department of Agricultural Economics, CA, OUAT, Bhubaneswar, Odisha, India
*Corresponding author
Abstract:

A field experiment was conducted at Main Agricultural Research Station (MARS), Agriculture College, Dharwad to study the “effect of sequential application of herbicides on microbial activities and yield of maize”. Six herbicides namely glyphosate, paraquat, glufosinate ammonium, saflufenacil, halosulfuron and imazathapyr were tried as a post emergence in addition to pre-emergence application of atrazine. Totally nine treatments were tested using Randomized Block Design having three replications with three controls (Weedy check, weed free check and standard recommended package of practices (RPP).At all the growth stages weed free check was recorded higher weed control efficiency (WCE) than rest of the weed control methods. However after application of post emergence herbicides atrazine at 1 kg ha-1 fb glyphosate at 2.5 kg ha-1 was recorded with WCE of 92.12 percent next to weed free check. Weed free check was recorded significantly higher grain yield (84.59 q ha-1), stover yield (114.10 q ha-1) and harvest index (42.57 %). At different growth stages of maize both pre and post emergence application of herbicides, all the enzymatic activities in the soil was reduced as compared to untreated plots.


Keywords: Herbicides, Microbial activities, Grain yield, Weed control efficiency, Maize.
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How to cite this article:

Tapas Ranjan Sahoo, U.K. Hulihalli, R.K. Paikaray and Mohapatra, U. 2017. Microbial Response to Different Herbicides Application in Maize for Effective Weed Management.Int.J.Curr.Microbiol.App.Sci. 6(2): 735-743. doi: http://dx.doi.org/10.20546/ijcmas.2017.602.081