Comparative efficacy between premium and generic herbicide of glufosinate ammonium to control weed species in oil palm plantation

Weeds have always been a major pest in most plantation areas. Herbicides application is the most preferable method in modern technology. The aims of this study to compare the effectiveness between premium and generic herbicides of Glufosinate ammonium (GA) in oil palm plantation. Seven herbicides treatments consisting of Basta 15, Genee 15, Fosinate 135, Bufos 135, Kenbast 15, Tarang with Miracle, Tarang without Miracle and control. The efficacy comparison of herbicides was recorded at 7, 14, 28, and 56 days after treatment (DAT) of herbicides. Data on weed injury and weed scorching were compared through visual assessment and analyzed with SAS software. Asystasia gangetica, Ageratum conyzoides, Paspalum scrobiculatum, Momordica charantia, Eleusine indica were found as dominant weed species were recorded, in quadrate sampling at experimental area. Basta 15 showed similar result with surpass other herbicides treatments and caused approximately 90% weed injury. Result from this study indicated Basta 15 performed consistently against general weed species whereas other herbicides applied was portrayed inconsistent outcome through the study.