Dubey, M. and Dhawan, O.P. 2015. Relationship of downy mildew resistance with yield related traits helpful for achieving reliable selection criteria in opium poppy (Papaver somniferum L.). INDIAN JOURNAL OF GENETICS AND PLANT BREEDING. 75, 03 (Aug. 2015), 396–399. DOI:https://doi.org/10.5958/0975-6906.2015.00064.4.