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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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Original Research Articles

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.2018.7(5): 3768-3774
DOI: https://doi.org/10.20546/ijcmas.2018.705.437


Growth and Yield of Aerobic Rice as Influenced by Different Weed Management Practices in Tripura, India
Chakraborti1*, B. Duary2 and M. Datta3
1Krishi Vigyan Kendra, West Tripura, ICAR (RC) for NEH Region, India
2Department of Agronomy, Palli Siksha Bhavana, Visva-Bharati, Sriniketan, India
3College of Agriculture, Tripura, India
*Corresponding author
Abstract:

A field experiment was conducted at Krishi Vigyan Kendra (KVK), South Tripura during the kharif season of 2013 and 2014 to study the influence of weed management practices on growth and yield of aerobic rice. The experiment consisting of twelve treatments was laid out in a randomized complete block design with three replications. The common weed flora found in the experimental field were Amaranthus viridis, Hedyotis corymbosa, Spilanthes acmella, Ludwigia parviflora, Cleome rutidosperma, Malvaestrum coromandalinum among the broad leaf weeds, Digitaria sanguinalis among grasses and Cyperus iria among sedges. Although hand weeding thrice at 15, 30 and 45 DAS recorded the lowest weed dry weight for all types of weed, higher values of growth parameters, yield and yield attributing parameters of upland rice but it was not economically viable. Among the various management practices, the treatment pendimethalin at 1.0 kg ha-1 at 2 DAS + bispyribac sodium at 25 g ha-1 at 20 DAS recorded the highest net return and return per rupee invested and appeared to be the most promising and remunerative weed management practice and followed by pendimethalin at 1.0 kg ha-1 at 2 DAS + one hand weeding at 30 DAS for direct seeded rice under Tripura condition.


Keywords: Aerobic rice, Weed management, Pendimethalin, Weed dry weight, Bispyribac sodium
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How to cite this article:

Chakraborti, M., B. Duary and Datta, M. 2018. Growth and Yield of Aerobic Rice as Influenced by Different Weed Management Practices in Tripura, India.Int.J.Curr.Microbiol.App.Sci. 7(5): 3768-3774. doi: https://doi.org/10.20546/ijcmas.2018.705.437