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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 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(12): 978-983
DOI: https://doi.org/10.20546/ijcmas.2017.612.108


Allelopathic Effect of Winter Weeds on Little Canary Grass (Phalaris minor Retz.) and Wheat (Triticum aestivum L.)
Aaradhana Chilwal*, S.P. Singh, V.P. Singh, B.S. Mahapatra, D.K. Shukla and Himanshu Verma
Department of Agronomy, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar 263145, Uttarakhand, India
*Corresponding author
Abstract:

Aqueous extracts of Medicago denticulata, Melilotus indica and Chenopodium album at 5%, 7.5% and 10% significantly reduced plant population of Phalaris minor under laboratory and shade house conditions, thus, indicating the inhibitory role of allelo-chemicals from these weeds. Under laboratory conditions, seed germination and relative germination ratio of Phalaris minor was affected more than wheat with highest reduction in germination under aqueous extract of Melilotus indica, followed by Chenopodium album. 7.5% came to be the best concentration that significantly reduced Phalaris minor germination and optimally maintained wheat population. In tray experiment under shade house conditions, reduction in germination was recorded more under 10% concentration and combined application of weed aqueous extracts. Highest reduction was observed under combined application of Medicago denticulata (10%) + Melilotus indica (10%) + Chenopodium album (10%) that led to only 42.33% emergence in comparison to 85.68% emergence under control. Hence, these weed aqueous extracts can be used as potential herbicides for future weed management programmes as these are natural plant products, easily biodegradable and eco-friendly.


Keywords: Medicago denticulata, Melilotus indica, Chenopodium album, Phalaris minor, Allelo-chemical, Aqueous extract.
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How to cite this article:

Aaradhana Chilwal, S.P. Singh, V.P. Singh, B.S. Mahapatra, D.K. Shukla and Himanshu Verma. 2017. Allelopathic Effect of Winter Weeds on Little Canary Grass (Phalaris minor Retz.) and Wheat (Triticum aestivum L.).Int.J.Curr.Microbiol.App.Sci. 6(12): 978-983. doi: https://doi.org/10.20546/ijcmas.2017.612.108