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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
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Editor-in-chief: Dr.M.Prakash
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NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(9): 2360-2372
DOI: https://doi.org/10.20546/ijcmas.2017.609.289


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

An experiment was conducted during kharif, 2015 at College farm, College of Agriculture, Rajendranagar, Hyderabad, comprised of four population densities 55,555 plants ha-1 (D1), 1,11,111 plants ha-1 (D2) normal planting, 1,11,111 plants ha-1 (D3) paired row planting, 1,48,148 plants ha-1 (D4) and weed management practices (pendimethalin 1.0 kg ha-1 as pre emergence fb pyrithiobac sodium 62.5 g ha-1+quizalofop-p-ethyl 50 g ha-1 at 20, 40, 60, DAS (W1), pyrithiobac sodium 62.5 g ha-1+quizalofop-p-ethyl 50 g ha-1 at 15 DAS as early post emergence fb glyphosate ammomium salt 2.13 kg ha-1 at 45 DAS (W2), pendimethalin 1.0 kg ha-1 as pre emergence fb HW at 20 and 45 DAS (W3) and unweeded control (W4) in randomized block design (factorial), replicated thrice. Among the plant densities, even though the plant density of 55,555 plants ha-1 showed more crop drymatter however, remaining three plant densities showed comparable yields. Among the weed management practices, pre emergence application of pendimethalin 1.0 kg ha-1 fb PoE tank mix application of pyrithiobac sodium 62.5 g ha-1+quizalofop-p-ethyl 50 g ha-1 at 20, 40, 60 DAS recorded more crop drymatter.


Keywords: High density, Planting, Growth, cotton.
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How to cite this article:

Madavi, B., P. Leela Rani, G. Sreenivas and Surekha, K. 2017. Impact of High Density Planting and Weed Management Practices on Growth Parameters and Phenology of Bt Cotton.Int.J.Curr.Microbiol.App.Sci. 6(9): 2360-2372. doi: https://doi.org/10.20546/ijcmas.2017.609.289