Fecha de publicación: 05/01/2023 Fuente: WIPO Rice This invention relates to compositions and methods for modifying root architecture in a plant through modification of an endogenous Ser-Thr protein kinase gene, such as endogenous PHOSPHOROUS STARVATION TOLERANCE 1 (PSTOL1) nucleic acids. The invention further relates to plants produced using the methods and compositions of the invention.