Cyperus rotundus known a,s purple nutsedge is identified as one of the problem weeds. The underground nutlets in the soil bank are the propagules. Vigorous nutlets are capable of emerging from deep soil profile of 30 cm. ...

Studies on growth pattern of Cyperus rotundus and its nutlet distribution in different soil profile were carried out at the faculty of Agriculture, University of Jaffna. An average of 1803 nutlets per square meter of ...