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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 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - 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.2019.8(12): 790-798
DOI: https://doi.org/10.20546/ijcmas.2019.812.103


Evaluation of Different Herbicides in Direct Seeded Rice (Oryza sativa L.)
R. Srinivasa Rao*, J. Hemantha Kumar, M. Venkataramulu and P. Raghurami Reddy
Professor Jayashankar Telangana State Agricultural University, India District Agricultural Advisory and Transfer of Technology Centre, Khammam, 507 003, Telangana, India
*Corresponding author
Abstract:

The on farm demonstration was conducted in farmers fields in five locations of Khammam District of Central Telangana Zone during three kharif seasons of 2013, 2014 and 2015 by District Agricultural Advisory and Transfer of Technology Centre, Khammam belongs to Professor Jayashankar Telangana State Agricultural University, Hyderabad in order to find out the suitable pre and post emergence of herbicides in direct sowing rice crop viz, T1- Butachlor@ 1.5kg/ha fb Bispyribac sodium 250 ml/ha, T2-Pendimethalin @ 2.5 Lt/ha fb Bispyribac sodium 250 ml/ha T3-Pyrazosulfuron ethyl 200 gr/ha +Bispyribac sodium 250 ml/ha, T4-Oxadiargyl 100 gr/ha + Bispyribac sodium 250 ml/ha, T5-FarmersPractice (Delayed and Ignored Practices). The experimental results revealed that the significant influence on both growth and yield attributes as well as on economics of the direct seeding rice. The maximum growth in terms of plant height (98.6 cm), no of effective tillers (308), and no of hills per square meter (32) as well as the yield (5964 kg/ha), no of panicles per square meter (300), and length of the panicle (24.6 cm), Harvest Index (42.6 %) were higher with the application of Pyrazosulfuron ethyl 200 gr/ha +Bispyribac sodium 250 ml/ha than other treatments. Similarly maximum monitory net returns (58,373/-) and weed control efficiency (84.4%) were recorded with the application of Pyrazosulfuron ethyl 200 gr/ha +Bispyribac sodium 250 ml/ha, however it was on par with application of Oxadiargyl 100 gr/ha + Bispyribac sodium 250 ml/ha. The lowest growth and yield attributes were observed in Farmers Practice.


Keywords: Cost of cultivation, Grain yield, Herbicides, Harvest Index, Panicles, Rice
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How to cite this article:

Srinivasa Rao, R., J. Hemantha Kumar, M. Venkataramulu and Raghurami Reddy, P. 2019. Evaluation of Different Herbicides in Direct Seeded Rice (Oryza sativa L.).Int.J.Curr.Microbiol.App.Sci. 8(12): 790-798. doi: https://doi.org/10.20546/ijcmas.2019.812.103