Phalaris minor in wheat can be controlled by using

Answer: Option B

Phalaris minor is a tufted annual bunchgrass up to 1.8 metres in height. It has a spike-like panicle. It is used as fodder or forage for livestock and birdseed. It is a potential contaminant of seed crops.
It is a common weed in the wheat crop. It can be controlled by controlled grazing, regular mowing and the regular use of selective herbicide Isoproturon.