木兰科植物海岛引种与筛选

Introduction and selection of magnolia family in the Islands of Zhoushan

自 1 976年开始木兰科植物引种试验 ,时至今日 ,舟山海岛已引入该科植物 76种 ,保存 65种。根据各树种在引种地的生长、越冬表现情况和开发利用价值 ,将引进树种筛选划分为成功、较成功、可望成功、较难成功和未成功等 5种类型 ,并对各类型作出了相应的开发利用建议或引种结果评价。最后 ,对红运玉兰等部分优良引进树种在开花习性、形态与观赏特性和繁殖应用等方面作了简单介绍。表 1参

Seventy six species of magnolia family have been introduced and 65 species preserved since 1976 in the Islands of Shoushan.Based on the manifestations of growth,over wintering and exploitation value,these plants are classified into 5 types:succeed,relatively succeed,likely succeed,difficult succeed and never succeed.For 5 types,corresponding suggestions of exploitation or evaluations are advanced.Some elite introduced species,such as  Magnolia soulangeana cv.Rubiflora,are described in blooming characteristics,morphological characters,aesthetic value,propagation and utilization.