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VOL. 8, ISSUE 1 (2026)
Effect of an isopropylamine glyphosate 200 g/l and 2,4-d dimethylamine 100 g/l herbicide mixture on weeds and young coffee
Authors
Yayan Sumekar, Alyaa Tsanaa Safaira, Uum Umiyati
Abstract
Weed control is essential because weeds can be
a major limiting factor that reduces coffee productivity. This study aimed to
evaluate the effectiveness of a mixture herbicide containing 200 g/L
isopropylamine glyphosate and 100 g/L 2,4-D dimethylamine on weed suppression
and its effect on young coffee plants. The research was conducted in a
community coffee plantation in Garut, West Java, using a randomized block
design with seven treatments and four replications. The treatments included
various dosages of the mixture herbicide (2.25 L/ha to 5.25 L/ha), manual
weeding, and an untreated control. Weed dry weight observations were conducted
at 4, 8, and 12 weeks after application (WAA), and phytotoxicity was assessed
visually. The results showed that the mixture herbicide at dosages from 3.00
L/ha to 5.25 L/ha was effective in suppressing the dry weight of S.
nodiflora, and all dosages from 2.25 L/ha to 5.25 L/ha effectively
controlled C. dactylon and other weeds significantly compared to the
control, without causing phytotoxicity.
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Pages:50-54
How to cite this article:
Yayan Sumekar, Alyaa Tsanaa Safaira, Uum Umiyati "Effect of an isopropylamine glyphosate 200 g/l and 2,4-d dimethylamine 100 g/l herbicide mixture on weeds and young coffee". International Journal of Agriculture and Plant Science, Vol 8, Issue 1, 2026, Pages 50-54
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