Krishan Kumar, U. S. Walia, L. S. Brar
2001
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Journal
Indian Journal of Weed science
Abstract
Experiments were conducted at P. A. U. Regional Research Station, Ropar, Punjab in sandy loam soil during spring seasons of 1997–98 and 1998–99 for the control of weeds in Mentha arvensis and Mentha piperita in two separate trials. Pre-emergence application of isoproturon at 0.5 and 0.75 kg ha−1, pendimethalin at 0.75 and 1.0 kg ha−1 and tank mix application of isoproturon+pendimethalin (0.50+0.50 kg ha−1) provided effective control of weeds and produced herb yields of both species at par with diuron at 0.60 kg ha−1. On an average, isoproturon+pendimethalin increased oil yield by 15.2 and 81.7% in M. arvensis and 12.8 and 49.2% in M. piperita over hand weeding and weedy treatments, respectively.