建设林木良种基地是实现林木种子生产基地化、质量标准化、造林良种化的有效途径,是生产高产、优质林产品的重要前提条件。我国的林木良种建设始于60年代初,当时在南北方主要林区对杉木、落叶松等树种开展了选优工作,并建立了一批种子园,70年代得到了迅速发展。迄今全国已建成种子园11万多亩,母树林45万多亩。广东省台山县湿地松种 It is an effective way to build the base of seedstock for tree seed production, standardization of quality, afforestation and seed production, and is an important prerequisite for producing high yielding and quality forest products. The construction of improved tree species in our country started in the early 1960s when we carried out the selection and optimization of fir and larch tree species in major forest areas in the north and south of the country, established a number of seed orchards and developed rapidly in the 1970s. So far the country has built more than 110,000 acres of seed orchard, 450,000 acres of mother woods. Taishan County, Guangdong Province wetland species