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Multiple Resistant Biotype of Goosegrass across Several Groups of
Herbicides
Nursyafiqah Izzati Binti Norzaidi
Supervisor: Associate Prof Dr. Chuah Tse Seng
Bachelor of Science Agrotechnology (Crop Science)
School of Food Science and Technology
Goosegrass has become a serious annual weed problem in crop cultivation areas due
to its poor response to herbicide treatments. This study aimed to determine the
resistance level of goosegrass treated with ten groups of herbicides. The putative
herbicide-resistant biotype of goosegrass seeds will be collected from oil palm
plantation, Pekan Nanas, Johor based on the complaint of the grower regarding the
poor performance of several herbicides on control of goosegrass. Goosegrass
seedlings at 3 to 4-leaf stage will be sprayed with glyphosate, paraquat, glufosinate,
fluazifop-p-butyl, diuron, MSMA, sethoxydim, oxyfluorfen, imazethapyr and
topramezone at a series of herbicide rates, respectively, under greenhouse conditions.
It is expected that the goosegrass biotype has evolved resistance to more than one
herbicide group with varied resistance level. The findings of this study could provide
early warning to growers about the resistance status of goosegrass which is helpful
for weed management in oil palm plantations.
1121 | UMT UNDERGRADUATE RESEARCH DAY 2018