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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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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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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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(6): 280-290
DOI: https://doi.org/10.20546/ijcmas.2019.806.032


Impact of Different Weed Management Practices on Weed Dynamics and Growth Parameters of Doob Grass (Cynodon dactylon) in an Establishing Lawn
Karishma Borah1*, Bijit Kumar Saud1, Madhumita Choudhury Talukdar1, Sarat Sekhar Bora2, Nilay Borah3 and Lekhika Borgohain3
1Department of Horticulture,
2Department of Agronomy,
3Department of Soil Science, Assam Agricultural University, Jorhat-13, Assam, India
*Corresponding author
Abstract:

A field experiment was conducted at the Experimental Farm, Department of Horticulture, Assam Agricultural University, Jorhat during 2017-18 to study the weed management practices in a lawn of doob grass (Cynodon dactylon). The experiment was laid out in Randomized Block Design (RBD) with three replications. There were seven treatments viz. T1 (Control), T2 (Hand weeding at 15 days interval up to 90 days), T3 (Hand weeding at 30 days interval up to 90 days), T4 (Pendimethalin @ 1 kg a.i./ha), T5 (Pendimethalin @ 1 kg a.i./ha followed by hand weeding at 45days, 60 days, 75 days after planting), T6 (Sulfosulfuron @ 25 g/ha) and T7 (Sulfosulfuron @ 25 g/ha followed by hand weeding at 45 days, 60 days, 75 days after planting). The weed control practices had significant effects on weed density, weed dry weight, growth characters as well as quality characters of a lawn. Pre-emergence application of pendimethalin @ 1kg a.i./ha followed by hand weeding at 45 days, 60 days, 75 days after planting recorded the lowest weed density and weed dry weight, while they were highest in case of T1 (Control). The growth of grass was satisfactory with the application of T5, so nutrient uptake from the soil was more. From the study, it could be inferred that application of T5 could minimize the weeds and thus it is suitable for establishment of a lawn.


Keywords: Cynodon dactylon, Pendimethalin, Sulfosulfuron, Lawn
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How to cite this article:

Karishma Borah, Bijit Kumar Saud, Madhumita Choudhury Talukdar, Sarat Sekhar Bora, Nilay Borah and Lekhika Borgohain. 2019. Impact of Different Weed Management Practices on Weed Dynamics and Growth Parameters of Doob Grass (Cynodon dactylon) in an Establishing Lawn.Int.J.Curr.Microbiol.App.Sci. 8(6): 280-290. doi: https://doi.org/10.20546/ijcmas.2019.806.032