Petal growth is central to floral morphogenesis. but the underlying genetic basis of petal growth regulation is yet to be elucidated. In this study. we found that the basal region of the ray floret petals of Gerbera hybrida was the most sensitive to treatment with the phytohormones gibberellin (GA) and abscisic acid (ABA). https://parisnaturalfoodes.shop/product-category/echinacea-toothpaste/