Group 1 - The article highlights the advancements in corn breeding in China, showcasing the development of high-yield and resilient varieties like "Zhongyu 303" to meet increasing market demands [1][2] - The "Zhongyu 303" variety has shown significant improvements, with an increase in yield by 300-400 jin per mu compared to previous varieties, and has been widely adopted, covering 14.75 million mu in the past three years [2] - The article emphasizes the importance of seed innovation in agriculture, noting that corn is a critical crop with unique challenges due to its origins and the need for diverse genetic resources [2][3] Group 2 - The "14th Five-Year Plan" has accelerated the pace of seed industry innovation in China, with policies and technological advancements driving the development of new crop varieties [3][5] - The national agricultural germplasm resource survey initiated by the Ministry of Agriculture and Rural Affairs aims to enhance the understanding and utilization of agricultural resources, leading to the discovery of new varieties [3][4] - The article reports that over 95% of crop varieties in China are now independently bred, with notable achievements in various crops, including wheat, rice, and soybeans, contributing to national food security [6]

Core Viewpoint - China's agricultural innovation in seed development, particularly in corn, is making significant progress to meet the growing market demand and enhance food security [1][4][6] Group 1: Seed Innovation and Development - The introduction of high-yield, drought-resistant corn varieties like "Zhongyu 303" demonstrates China's advancements in seed innovation, with yields increasing by 300-400 jin per mu compared to previous varieties [1][3] - The "Zhongyu 303" variety has been widely adopted, with 14.75 million mu planted in the last three years, achieving a record yield of 1077.5 kg per mu in saline-alkali land [3][6] Group 2: Policy and Strategic Initiatives - The "Seed Industry Revitalization Action Plan" was approved in July 2021, emphasizing the importance of seed source security as a national security issue and aiming to address challenges in the seed industry [4][6] - A nationwide agricultural germplasm resource survey was initiated to enhance the understanding of agricultural resources, leading to the discovery of new varieties [4][5] Group 3: Technological Integration and Data Utilization - The integration of AI in breeding processes is supported by the identification of over 60% of genetic types and 30% of phenotypes, with a national crop germplasm resource information platform set to launch [5][6] - The establishment of a collaborative innovation system involving academia, industry, and research institutions is promoting resource sharing and breeding innovation [4][6] Group 4: Achievements in Crop and Livestock Breeding - Over 95% of crop varieties are now independently bred in China, with notable achievements including new wheat and rice varieties that enhance disease resistance and yield [6] - The market share of domestically bred varieties in various sectors, including poultry and aquaculture, has significantly increased, reducing reliance on imports [6]