The ADP-Glucose Pyrophosphorylase (AGP) Activity Assay Kit is primarily used to measure the activity of the enzyme AGP, which plays a critical role in starch biosynthesis. This kit is widely applied in plant biology research to study starch metabolism, particularly in understanding how plants regulate starch production under different environmental conditions. It is also utilized in agricultural research to develop crops with improved starch content, which can enhance yield and nutritional value. Additionally, the kit is employed in biochemical studies to investigate enzyme kinetics and the regulatory mechanisms of AGP, providing insights into its function and potential manipulation for biotechnological applications.