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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.2020.9(9): 2005-2014
DOI: https://doi.org/10.20546/ijcmas.2020.909.250


Effect of Sequential Application of Different Pre and Post Emergence Herbicides on Growth and Yield of Direct Seeded Rice
Ajay Kumar1*, Sanjay Kumar1, Swaraj Kumar Dutta1, Shweta Shambhavi2,Mainak Ghosh1 and Subrat Keshori Behera3
1Department of Agronomy, 2Department of Soil science and Agricultural chemistry,
3Department of Statistics, Mathematics and Computer Application, Bihar Agricultural University, Sabour, Bhagalpur- 813210, India
*Corresponding author
Abstract:

A field experiment was conducted during kharif season of 2019-20 at Agricultural Research farm of Bihar Agricultural University, Sabour, Bhagalpur (Bihar) to study the effect of sequential application of different pre and post emergence herbicides on growth and yield of direct seeded rice. The experiment was laid out in split plot design with three replications having twenty treatment combinations consisting of four pre-emergence herbicides (main plot) and five post-emergence herbicides (sub plot). Application of Pendimethalin @ 1000 g a.i. ha-1 as pre-emergence fb Bispyribac @ 25 g a.i. ha-1 + Pyrazosulfuron @ 20 g a.i. ha-1 as post-emergence recorded significantly highest grain yield (4.63 t ha-1), effective tillers m-2 (361),  LAI  and no. of tillers m-2. From this study, it may be concluded that the application of Pendimethalin @ 1000 g a.i. ha-1 (PE) fb Bispyribac @ 25 g a.i. ha-1 + Pyrazosulfuron @ 20 ga. i. ha-1 (PoE) may be a viable option for weed control in direct seeded rice with improvements in plant growth, yield attributes and yield.


Keywords: Direct seeded rice, Pendimethalin, Pre-emergence, Post emergence
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How to cite this article:

Ajay Kumar, Sanjay Kumar, Swaraj Kumar Dutta, Shweta Shambhavi, Mainak Ghosh and Subrat Keshori Behera. 2020. Effect of Sequential Application of Different Pre and Post Emergence Herbicides on Growth and Yield of Direct Seeded Rice.Int.J.Curr.Microbiol.App.Sci. 9(9): 2005-2014. doi: https://doi.org/10.20546/ijcmas.2020.909.250