狭叶异翅藤的繁殖和栽培

狭叶异翅藤（Heteropterys angustifolia Griseb．）为金虎尾科异翅藤果属植物，嫩叶红色、花黄色、果红色，为优良的园林绿化观叶观花观果新树种。可采用扦插或播种繁殖，扦插宜用IBA200mg／L进行插条处理；播种宜即采即播，发芽率达83.70％；用1000mg／L的PP333矮化处理，可使株型更紧凑美观。在广州，1～9月为其生长高峰期，3月末至5月中旬为盛花期，花果同期，10月末仍有挂果。性喜阳光，适应性强，对土壤要求不严，极耐旱耐瘠耐修剪，可用作花坛、花篱、天桥花槽、绿化带地被等灌木状栽植，亦可作花棚、花架、绿廊、绿门等藤本植物。

Propagation and Cultivation of Heteropterys angustifolia

Heteropterys angustifolia belongs to the Malpighiaceae family. With red young leaves, yellow flowers, and red fruits, it is an excellent landscape plant. It can be propagated by cutting and through seeds. For cutting propagation, the treatment of 200 mg · L^-1 IBA will promote rooting. With respect to seed propagation, seed should be immediately sewed after harvest and the germination rate is about 83.70%. Its plant type will be more compact and beautiful if treated with 1000 mg · L^-1 PP333. In Guangzhou, it shows the maximal growth in January to September, and flowers from late March to middle May. The fruits can be formed during the flowering period and attached in the tree till October. It is flexible and tolerant of drought, infertility, and shearing. Its shrubby form can be used for flower beds, flower hedges and overpasses etc., and the cany form can be applied in flower sheds, flower racks, green corridos and so on.