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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.2020.9(7): 63-70
DOI: https://doi.org/10.20546/ijcmas.2020.907.007


Effect of Post Emergence Herbicide on Growth, Yield and Economics of Transplanted Rice (Oryza sativa L.)
M.Tejaswini1*, A. S. Halepyati1, S. Manoranjan2, B. M. Chittapur1 and N. Ananda1
1Department of Agronomy, College of Agriculture, UAS, Raichur - 584104 Karnataka, India
2 Division of genetics, ICAR-IARI, New Delhi-110012, India
*Corresponding author
Abstract:

A field experiment was conducted during Kharif- 2018 at Agricultural Research Station, Gangavathi, University of Agricultural Sciences, Raichur, Karnataka to study the effect of weed control practices on growth, yield and economics of transplanted rice. The soil was medium deep black clay with medium fertility. The results of this experiment revealed that hand weeding twice (15 and 45 DAT) recorded significantly higher growth parameters of rice viz. number of tillers m-2, LAI and total dry mater production plant-1(323.00, 1.40 and 68.71 g, respectively) as compared to weedy check (212.67, 0.24 and 40.92 g, respectively). The highest grain and straw yields were recorded with hand weeding twice at 15 and 45 DAT (5415 and 5783 kg ha-1, respectively) followed by application of pendimethalin 38.7 % CS @ 680 g a.i/ha as PE fb bispyribac sodium 10 % SC @ 25 g a.i/ha (4990 kg ha-1 and 5433 kg ha-1)and bispyribac sodium 2%+ 2,4-D sodium salt 54.3% SP @ (25+678.75) g a.i/ha with adjuvant @ 625 ml/ha (4922 and 5372 kg ha-1, respectively). The benefit cost ratio was significantly higher with bispyribac sodium 2%+ 2,4-D sodium salt 54.3% SP @ (25+678.75) g a.i/ha with adjuvant @ 625 ml/ha(2.62) as compared to weed free check (2.47).


Keywords: Transplantedrice, Hand weeding, Herbicides, Growth and yield
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How to cite this article:

Tejaswini, M., A. S. Halepyati, S. Manoranjan, B. M. Chittapur and Ananda, N. 2020. Effect of Post Emergence Herbicide on Growth, Yield and Economics of Transplanted Rice (Oryza sativa L.).Int.J.Curr.Microbiol.App.Sci. 9(7): 63-70. doi: https://doi.org/10.20546/ijcmas.2020.907.007