杉木是福建省主要人工造林树种,营建杉木种子园是取得良种的主要途径。我省现有各世代杉木种子园1048ｈｍ2,为本省的绿化工程和速生丰产林建设起到积极的作用,但是,种子园产量较低是普遍存在的问题且致使较大面积的种子园增益水平较低。十几年的研究结果表明,营建杉木杂交... Cunninghamia lanceolata is the main afforestation species in Fujian Province, and the construction of fir seed orchards is the main way to get good seeds. There are 1048hm2 of existing Chinese fir seed orchards in our province, which play an active role in the afforestation project and fast-growing and high-yield forest construction in our province. However, the low yield in the seed orchard is a common problem and the gain in the larger area of ​​seed orchard low. Ten years of research shows that the construction of Chinese fir hybrid ...