Crop growth rate of spring maize in relation to exogenous application of growth promoting substances. Amir BakhtavarMuhammad AfzalIrfan Maqsood Ahmed BasraShahzad AhmadAzraf-ul-Haq Ali NoorMehmood 2015 <p>(Kin; Kinetin, MLE; Moringa leaf extract, P+F; Priming followed by foliar spray.) Vertical bars are standard error of means. Letters on the legends indicate significant (<i>P</i><0.05) difference among physiological strategies.</p>