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Journal of Ornamental Horticulture
Year : 2022, Volume : 25, Issue : 1and2
First page : ( 49) Last page : ( 57)
Print ISSN : 0972-0499. Online ISSN : 2249-880X.
Article DOI : 10.5958/2249-880X.2022.00008.1

Studies on weed management in lawn

Singh Amrinder1, Dubey R.K.1,*, Bhuller M.S.2, Pant Kritika1, Deepika Ravi1

1Department of Floriculture and Landscaping, Punjab Agricultural University, Ludhiana-141 004, Punjab, India

2Department of Agronomy, Punjab Agricultural University, Ludhiana-141 004, Punjab, India

*Corresponding author’s e-mail: rkdubey.flori@pau.edu

Online Published on 12 February, 2024.

Abstract

The present investigations were carried out to study the effect of different weeding treatments on sedge and broad leaf weed management of Cynodon dactylon L. Calcutta grass var. Sel-1 lawn. The experiment was laid out during March to December 2017 with eight treatments and three replications in radmonized complete block design. Eight treatment comprises 2, 4-D amine at 580 g ha–1, metsulfuron methyl + chlorimuron ethyl at 4 g ha–1, halosulfuron at 67.5 g ha–1, metsulfuron at 5 g ha–1, carfentrazone ethyl at 20 g ha–1, metsulfuron methyl + carfentrazone ethyl at 25 g ha–1, hand weeding at 15 days interval and unweeded. Results indicated that among herbicide treatments, broad leaf weeds density reduced by 2, 4-D amine. Halosulfuron decreased weed density of sedge significantly. The weed control efficiency recorded highest in hand weeding. Among the herbicides, 2, 4-D amine was recorded higher weed control efficiency, lower dry matter of weeds in case of broadleaf weeds. Halosulfuron recorded the highest weed control efficiency and the lowest dry matter of sedge. Weed nutrient uptake was higher in unweeded plot while lower in 2, 4-D amine followed by metsulfuron methyl + carfentrazone ethyl application.

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Keywords

Weed management, Cynodon dactylon L., Lawn, Herbicides and nutrients.

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