Citation | Nazish, S. Naveed, Kalsoom, Riffat and I.U. Khan. 2026. Morphological responses of wheat (Triticum aestivum) and mustard (Brassica nigra) to plant-derived smoke solution under heavy metal salt stress. Pakistan Journal of Weed Science Research, 32(2): 144-148. DOI | https://dx.doi.org/10.17582/journal.pjwsr/2026/32.2.144.148