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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 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
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(7): 2225-2230
DOI: https://doi.org/10.20546/ijcmas.2017.607.261


Effect of High Density Planting and Weed Management Practices on Productivity and Economic Analysis of Bt Cotton
B. Madavi1, P. Leela Rani2*, G. Sreenivas3 and K. Surekha4
1Department of Agronomy, College of Agriculture,
2AICRP on Weed Management,
3Agro Climate Research Centre, ARI,
4Indian Institute of Rice Research, Rajendranagar,Hyderabad, Telangana, India
*Corresponding author
Abstract:

An experiment was conducted during kharif, 2015 at College farm, College of Agriculture, Rajendranagar, Hyderabad, with four planting densities 55,555 plants ha-1, 1,11,111 plants ha-1 normal planting, 1,11,111 plants ha-1 paired row planting, 1,48,148 plants ha-1 and 4 weed management practices (pendimethalin 1.0 kg ha-1 as PE fb pyrithiobac sodium 62.5 g ha-1+quizalofop-p-ethyl 50 g ha-1 at 20, 40, 60, DAS, early PoE application of pyrithiobac sodium 62.5 g ha-1 + quizalofop-p-ethyl 50 g ha-1 at 15 DAS fb glyphosate ammomium salt 2.13 kg ha-1 at 45 DAS, PE application of pendimethalin 1.0 kg ha-1 fb HW at 20 and 45 DAS and unweeded control. Research results revealed that, based on economic analysis plant density of 1,11,111 plants ha-1 (60 cm x 15 cm) produced significantly more kapas yield (3134 kg ha-1), net returns and B:C ratio (Rs. 67,212 ha-1 and 2.24). Among the weed management practices, all three weed management practices recorded comparable kapas yield of 3119, 3018 and 3058 kg ha-1 respectively. But early PoE tank mix application of pyrithiobac sodium 62.5 g ha-1 + quizalofop-p-ethyl 50 g ha-1 at 15 DAS fb directed spray of glyphosate ammonium salt 2.13 kg ha-1 at 45 DAS recorded higher net returns and B:C ratio (Rs.64,527 and 2.32).


Keywords: Bt cotton, Productivity, HDPS, Weed management practices.
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How to cite this article:

Madavi, B., P. Leela Rani, G. Sreenivas and Surekha, K. 2017. Effect of High Density Planting and Weed Management Practices on Productivity and Economic Analysis of Bt Cotton.Int.J.Curr.Microbiol.App.Sci. 6(7): 2225-2230. doi: https://doi.org/10.20546/ijcmas.2017.607.261