Importance:

It is the most serious and harmful weed of "A-category "in wheat all over Punjab. Allelopathic effects of its root exudates have been reported in wheat. It may drastically reduce the yield (from 15-50%) in wheat. It is also found in gram, lentils and barley. It may also be found as a secondary i.e; "C-Category" weed in winter vegetables esp. in peas, onion, potato, oilseeds, fodders and other winter crops.

Control:

Isoproturon, Metribuzin , fenoxaprop, Clodinafop , Metsulfuron , Sulfosulfuran in wheat, Pendimethalin , S metolachlor , Haloxyfop in vegetables.