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VOL. 6, ISSUE 2 (2024)
Effect of herbicide paraquat dichloride 135 g/l on the growth of weeds and immature Arabica coffee (Coffea arabica) plants
Authors
Yayan Sumekar, Dedi Widayat, Agus Susanto, Nurkhaliza Kamila Ismail
Abstract
Arabica coffee (Coffea arabica) is one
of the mainstay commodities in the Indonesian plantation sector. The problem
that often arises in coffee plantation is the presence of weeds, especially in
the immature phase. Weeds on immature coffee plantations are causing harm
because they can reduce the quality of results when they come to mature phase.
One of the most effective and efficient weed controls is by applying
herbicides. Paraquat dichloride is a contact herbicide that is applied
post-emergence, non-selective and has the characteristic of reacting to green
leaf matter because the mechanism of this herbicide interferes with the
photosystem I. The research was conducted in January – April 2024 whereas
arabica coffee is commonly planted by farmers in Tanjung Karya Village,
Samarang District, Garut Regency. The treatment design used Randomized Block
Design (RBD) with 7 treatments which are Paraquat dichloride 135 g/l at 2.25,
3.00, 3.75, 4.50, and 5.75 l/ha, manual weeding, and control (no treatment).
The result of the experiment showed that the herbicide active ingredient
Paraquat dichloride 135 g/l doses 2.25 until 5.25 l/ha effectively controlled Ageratum
conyzoides, Synedrella nodiflora, Setaria plicata, Alternanthera sessilis, Commelina
benghalensis, another weeds, and total weeds up to 8 weeks after
application and had a good effect on the growth without causing toxic effects
on coffee plantations. On the other hand, Paspalum conjugatum and Cyperus
killingia effectively controlled up to 4 weeks.
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Pages:46-51
How to cite this article:
Yayan Sumekar, Dedi Widayat, Agus Susanto, Nurkhaliza Kamila Ismail "Effect of herbicide paraquat dichloride 135 g/l on the growth of weeds and immature Arabica coffee (<i>Coffea arabica</i>) plants". International Journal of Agriculture and Plant Science, Vol 6, Issue 2, 2024, Pages 46-51
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