Citation | Jihad, I.A., M. Mudhafar, N.F.A. Hassan, M.J.A. Alkareem, M.M. Mathkoor and Q.R. Lahhob. 2026. Application of insect-derived chitosan as a biostimulant to improve growth and resistance in Iraqi wheat varieties. Pakistan Journal of Agricultural Research, 39(2): 159-166. DOI | https://dx.doi.org/10.17582/journal.pjar/2026/39.2.159.166