秧青又名思茅黄檀(Dalbergi Szemaoensis Prain)、紫梗树、亚秧叶树、酸香等,属蝶形花科(Papilion aceae)、黄檀属,是我省由云南引种来的紫胶虫优良寄主树种之一。秧青在云南紫胶老产区是传统常用优良寄主树种之一,适用于冬、夏二代紫胶生产,在云南某些干热年份,它的产胶和保种性能还优于牛肋巴。我省通过多年引种栽培与放养利用,证明秧青具有易繁殖栽培、生长迅速、萌芽力强、耐虫力高、病虫害少、所产紫胶产量高、胶 Young seedlings also known as Dalbergi Szemaoensis Prain, purple stems, seedlings of sub-leafy trees, sour, which belongs to the family Papilionaceae (Papilion aceae), Dalbergia is the province introduced from Yunnan shellac One of the fine host species of insects. Young seedling is one of the most commonly used excellent host species in Yunnan pasture. It is suitable for the production of shellac in winter and summer. In some dry and hot years in Yunnan, its seed production and seed-preserving performance is also better than that of beef rib bar. Through years of introduction and cultivation and stocking utilization in our province, it has been proved that seedling has the advantages of easy propagation and cultivation, rapid growth, strong germination ability, high tolerance to insects, less pests and diseases, high production of shellac