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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.2017.6(9): 3208-3217
DOI: https://doi.org/10.20546/ijcmas.2017.609.395


Productivity of BT and Non BT Cotton (Gossypium hirsutum L.) Cultivars as Influenced by Plant Geometry and Fertilizer Levels
T. Nagender*, D. Raji Reddy, P. Leela Rani, G. Sreenivas, K. Surekha, Akhilesh Gupta and P.D. Sreekanth
Department of Agronomy, PJTSAU, Rajendranagar, Hyderabad-500 030, Telangana, India
*Corresponding author
Abstract:

A field experiment was conducted during 2015-16 and 2016-17 at Hyderabad to assess the performance of two cotton hybrids of which Bt (MRC 7201 BGII) and non-Bt cotton (WGCV-48) in response to plant densities (P1: 18,518 plants ha-1, P2: 55,555 plants ha-1 and P3: 1,48,148 plants ha-1) and nitrogen fertilization (120, 150 and 180 kg ha-1). During 2015 and 2016, MRC 7201 BG II cultivar recorded significantly more plant height (125.0 cm and 141.4 cm), LAI (5.23 and 4.95) and dry matter production (246 g plant-1 and 241 g plant -1), number of sympodial branches plant-1 (42, 40) and kapas yield (3497, 2866 kg ha-1) in comparison to WGCV-48 cultivar, respectively. Plant density P1 (18,518 plants ha-1) at 90 cm x 60 cm spacing recorded significantly more dry matter production (301g plant-1, 298 g plant-1) over P2 (55,555 plants ha-1) at 60 cm x 30 cm and P3 (1,48,148 plants ha-1) 45 cm x 15 cm spacing during 2015 and 2016 respectively. During 2015 and 2016, among the plant densities, even though the plant density of P1: 18,518 plants ha-1 showed more number of sympodial branches plant-1 (55, 53) and kapas yield plant-1 (149, 122), but the plant density of P2: 55,555 plants ha-1 significantly more kapas yield (3319, 2726 kg ha-1).


Keywords: Bt cotton, Nitrogen, Monopodia, Sympodia, Seed cotton yield, Plant density.
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How to cite this article:

Nagender, T., D. Raji Reddy, P. Leela Rani, G. Sreenivas, K. Surekha, Akhilesh Gupta and Sreekanth, P.D. 2017. Productivity of BT and Non BT Cotton (Gossypium hirsutum L.) Cultivars as Influenced by Plant Geometry and Fertilizer LevelsInt.J.Curr.Microbiol.App.Sci. 6(9): 3208-3217. doi: https://doi.org/10.20546/ijcmas.2017.609.395