“Progress has been made in the screening of specialized potato germplasm in the high-altitude and humid areas of Gansu Province. Researchers have established a comprehensive evaluation system for nutritional quality based on near-infrared spectroscopy and principal component analysis, successfully screening 13 excellent germplasm of fried type, 3 fresh type, and 10 starch processing type, providing scientific basis and high-quality germplasm resources support for the improvement and industrial upgrading of sweet potato varieties.”