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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
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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(3): 841-846
DOI: Mritunjay Kumar, et al


Halosulfuron Methyl 75% WG (Sempra) – A New Herbicide for the Control of Cyperus rotundus in Maize (Zea mays L.) Crop in Bihar
Mritunjay Kumar*
Department of Agronomy, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur, Bihar, India
*Corresponding author
Abstract:

A field experiment was conducted at Tirhut College of Agriculture, Dholi, (RAU, Samastipur, Bihar) for two consecutive years (2012-13 and 2013-14) to evaluate the efficacy of Halosulfuron methyl to control the Cyperus rotundus in Maize. The treatments consisted of new herbicide Halosulfuron methyl (75% WG) @ 52.5 and 67.5 g a.i./ha, applied at 3-4 leaf stage of Cyperus rotundus and compared with recommended 2,4-D Ethyl Ester 38% EC (900 g a.i./ha), Atrazine 50% WP (500 g a.i./ha) and two hand weedings at 18 and 30 DAS with untreated control. The results revealed that Halosulfuron methyl 75% WG @ 67.5 g a.i./ha recorded significantly more control of Cyperus rotundus recording 80% and 73% during 2012-13 and 2013-14, respectively. The significantly higher WCE (at 30 DAS) ranging from 93% and 98% was recorded in Halosulfuron methyl 75% WG @ 67.5 g a.i./ha during 2012-13 and 2013-14, respectively. The grain yield of maize was also found to be maximum in Halosulfuron methyl @ 67.5 g a.i./ha in both the years, recording 65 and 71 q/ha during 2012-13 and 2013-14, respectively. Halosulfuron methyl 75% WG @ 67.5 g a.i./ha did not show any residual phytotoxicity on succeeding crop of mustard.


Keywords: Cyperus rotundus, Maize (Zea mays L.)
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How to cite this article:

Mritunjay Kumar. 2018. Halosulfuron Methyl 75% WG (Sempra) – A New Herbicide for the Control of Cyperus rotundus in Maize (Zea mays L.) Crop in Bihar.Int.J.Curr.Microbiol.App.Sci. 7(3): 841-846. doi: Mritunjay Kumar, et al