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日本金松是日本特有的树种,属杉科、金松属(Sciadopitys Verticillata)。叶形奇特,色泽鲜艳,树姿优美,被誉为世界著名的三大观赏树种(南洋杉、雪松和金松)之一,是稀有的庭院绿化树种和理想的盆景材料。我国引种单位不多,仅庐山有大树。日本金松种子育苗较难,保苗尤难。幼苗生长缓慢,3年生苗高仅7cm。种子发芽极不整齐,先后可持续3个多月,7月中旬至8月上旬为发芽高峰。由于种子发芽期长,育苗必须严格操作,细心管理。现将我们的作法介绍如下。
Japan Jinsong is a tree species endemic to Japan, is Cedar, Pinus (Sciadopitys Verticillata). Leaf-shaped peculiar, bright color, graceful posture, known as the world’s three famous ornamental tree species (Araucaria, cedar and Jinsong) is one of the rare garden afforestation species and the ideal bonsai material. Introduction of our unit is small, only Lushan have trees. Juglans mandshurica seedling more difficult, seedling especially difficult. Seedling growth is slow, 3-year-old seedling height is only 7cm. Seeds are very irregular germination, has been sustainable for more than three months, mid-July to early August germination peak. Due to the long seed germination, nursery must be strictly operated and carefully managed. Now we introduce the following practices.