V N TOPROPE and G D MATSAGAR 2020. Morphological and biochemical mechanisms of resistance against powdery mildew (Golovinomyces cichoraceaarun) of sunflower (Helianthus annuus L.): Morphological and biochemical mechanisms of resistance against powdery mildew (Golovinomyces cichoraceaarun) of sunflower (Helianthus annuus L.). Journal of Oilseeds Research. 37, Specialissue (Mar. 2020). DOI:https://doi.org/10.56739/jor.v37iSpecialissue.139099.