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All Journal Multidiciplinary Output Research for Actual and International Issue (Morfai Journal)
Bornok Adrian Siallagan
Institut Teknologi Sawit Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Social Sciences Other

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THE EFFECT OF GLYPHOSATE AND PARAQUAT HERBICIDE USE ON THE MORTALITY OF BANDOTAN WEEDS (AGERATUM CONYZOIDES) IN OIL PALM PLANTATIONS Bornok Adrian Siallagan; Aulia Djuanda Djaingsastro
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 4 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.20746854

Abstract

This study aimed to evaluate the effect of glyphosate and paraquat herbicides on the mortality rate of bandotan (Ageratum conyzoides) weeds in oil palm plantations. The study used a non-factorial Randomized Block Design (RBD) with 8 treatments and 3 replications, namely glyphosate (0.4, 0.5, 0.6 mL/L) and paraquat concentration (0.2, 0.3, 0.4 mL/L), as well as a control without herbicide. Observations were made for 15 days after application (HSA) based on visual changes in leaves and weed mortality rates. The results showed that the control treatment had a low weed mortality rate of 0.71 up to 15 HSA. All herbicide treatments significantly increased weed mortality. Paraquat showed the fastest response, where treatment P3 (0.4 mL/L) reached a mortality rate of 8.78 at 3 HSA and a maximum of 10.02 at 4-5 HSA. Meanwhile, glyphosate worked more slowly but remained effective, with the G3 treatment (0.6 mL/L) achieving maximum weed mortality (10.02) at 13-15 HSA. Increasing the dosage of both herbicides was positively correlated with accelerated weed mortality. Overall, paraquat was superior in accelerating weed mortality, while glyphosate was more effective in long-term control. However, the use of paraquat should be limited due to its potential environmental and health impacts. Therefore, glyphosate is recommended as a more sustainable alternative, provided appropriate dosage and application timing are used.
Co-Authors Aulia Djuanda Djaingsastro