Effect of Herbicides On Yield and Quality ofCoriandrum sativumL.

The effect of herbicides on the yield and quality of Coriandrum sativum L. and the weed density associated with it was examined. The best weed control was achieved with a combination of Pendimethalin (1320 cc/ha) and Metribuzin (500 g/ha); however, over a two-year period the herbicides exerted a toxic effect on the crop resulting in a poor seed yield. The highest seed yields were obtained with Trifluralin (840 cc/ha) + Linuron (1000 g/ha), Pendimethalin (320 cc/ha) or Metribuzin (500 g/ha). GC analysis of oils obtained from coriander seed produced from a variety of herbicide treatment did not appear to affect the chemical composition greatly although the oil produced from plants treated with Metribuzin (500 g/ha) was richest in linalool (44.47%).