我国主要造林树种良种使用率提高到76% 收集保存林草种质资源14.74万份

Core Insights - During the "14th Five-Year Plan" period, China has collected and preserved 147,400 samples of forest and grassland germplasm resources, representing a 180% increase compared to the end of the "13th Five-Year Plan" [1] - The usage rate of quality seeds for major afforestation tree species has increased from 65% at the end of the "13th Five-Year Plan" to 76%, enhancing the quality of forests [1] - The annual output value of the seedling and flower industry in China exceeds 500 billion yuan, indicating robust growth in the seedling industry [1] Industry Developments - The implementation of the "Three-Year Action Plan for the Revitalization of Forest and Grass Seedlings (2023-2025)" has significantly improved the capabilities for the protection and utilization of germplasm resources, breeding innovation, seedling production and supply, and market regulation [1] - A nationwide survey of forest and grassland germplasm resources has been initiated, establishing a preservation system that combines three methods: in-situ, ex-situ, and facility preservation [1] - Over the past five years, more than 1,500 various seed production bases for forest trees have been established, along with 600,000 acres of grass seed breeding bases and 188,000 seedling production bases, ensuring the diverse demand for quality seedlings in key ecological projects [2]