寄主植物是胶虫食物的泉源,是紫胶生产的物质基础.寄主植物的好坏,直接影响胶虫的生长发育和紫胶的产量、质量.为提高我省紫胶的产量和质量,选育优良寄主,是当前紫胶生产中的一个重要课题.我国寄生植物的种类,1978年统计共有327种.但在全国生产上广泛使用的优良寄主只有8种,占寄主植物总数的2.4%,占全国木本植物总数的0.1%. The host plant is the source of insects and insects, is the material basis for the production of shellac.The host plant is good or bad, directly affects the growth and development of insects and shellac production, quality .In order to improve the production and quality of shellac in our province, the election It is an important subject in the current production of shellac.In our country, there are 327 species of parasitic plants, accounting for a total of 327 kinds in 1978. However, there are only 8 kinds of excellent hosts widely used in the country, accounting for 2.4% of the total number of host plants, Accounting for 0.1% of the total number of woody plants nationwide.