Vol. 4, Issue 4 (2019)
Effectiveness of glyphosate herbicide on suppressing weeds in coffee plantations (plants produce)
Author(s): Yayan Sumekar, Dani Riswandi, Dedi Widayat, Samsul Arifin, Sri Ayu Andayani
Abstract: Coffee is one of the plantation plants that has high economic value on the world market. This study aims to obtain a recommended dose of herbicide with active ingredients of glyphosate which is effective for controlling weeds in coffee producing plants. The experiment was carried out in the coffee plantation owned by the people, Cidatar Village, Cisurupan Subdistrict, Garut Regency in February to June 2018. Places of type C rainfall (rather wet) according to Schmidt and Fergusson with altitude of 900-1500 meters above sea level. The study used a Randomized Block Design, with 7 (seven) treatments and 4 (four) replications. The treatments tested were the glyphosate dose of 320 gr / ha; 480 gr / ha; 640 gr / ha; 800 gr / ha and 960 gr / ha, as well as manual weeding and without weeding. The results showed that all doses of glyphosate herbicides can suppress the growth of broadleaf weeds and grass weeds. The glyphosate herbicide with a dose of 320 gr / ha was most effective in suppressing the growth of broadleaf weeds and grass weeds.