K. Mubeen, M. A. Nadeem*, A. Tanveer* and A. J. Jhala**
Department of Agronomy, University of Poonch, Rawalakot, Pakistan
*Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
**Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Keim Hall, Lincoln, NE 68583, USA