关键词：育种创新

Core Viewpoint - The "Qingshu 9" potato variety has maintained its position as the top potato variety in China for four consecutive years, with a promotion area of 7.47 million acres in 2024, showcasing significant advancements in breeding and agricultural innovation in Qinghai Province [1] Group 1: Agricultural Innovation - The "Qingshu 9" variety was developed over 23 years by a team led by Wang Jian, supported by a provincial funding of 40 million yuan for technological projects [1] - The breeding process has established a comprehensive innovation system encompassing breeding, propagation, promotion, and industrialization, which includes a breeding base of over 100,000 acres [1] - The annual production of micro-tubers exceeds 5 million, indicating a robust propagation capability [1] Group 2: Economic Impact - The introduction of "Qingshu 9" has led to an average yield increase of over 15% per acre and an income increase of more than 500 yuan per acre [1] - Cumulatively, it has contributed to an increase in farmers' income exceeding 24 billion yuan, playing a significant role in rural revitalization [1] - The variety's adaptability to various regional planting needs helps activate Qinghai's agricultural advantages while supporting different climatic conditions, thus enhancing national food security [1] Group 3: Industry Development - The full-chain breeding and promotion model, along with a four-level seed propagation system, provides replicable experiences for the industrialization and standardization of highland specialty agriculture [1] - The advancements in Qinghai's seed industry technology are gradually moving towards international markets, indicating potential for global influence [1]