雪松(Cedrus deodara)是城市园林绿化的珍贵树种。它树形美观,四季翠绿,生长速度快,病虫害少,在我国南方已作为城市绿化的主要树种。由于雪松种子要靠进口,份格昂贵且发芽率低(一般只有20～30％的发芽率)。扦插繁殖又有一定困难,这就限止了雪松的大量发展,造成了雪松苗木的价格十分昂贵。由于进口雪松种子大多数是从印度、巴基 Cedrus deodara is a valuable species of urban landscaping. Its beautiful tree, green seasons, fast growth, fewer pests and diseases, in southern China has been as the main urban greening species. Because cedar seeds rely on imports, expensive and low germination rate (usually only 20 to 30% of the germination rate). Cutting propagation there are some difficulties, which limits the large-scale development of cedar, cedar seedlings caused the price is very expensive. Since the majority of imported cedar seeds are from India, Baki