中文摘要：

为了筛选出适合粤东地区屋顶绿化的入侵植物，对薇甘菊、南美蟛蜞菊、五爪金龙和马缨丹4种粤东地区的入侵植物进行盆栽种植，测定扦插育苗存活率、株高和侧枝长，考察土层高度和灌溉方式对植物生长、抗旱抗寒能力及植物萎蔫后复活能力的影响。结果表明：土层越高，植物生长越好；滴灌有利于植物生长；南美蟛蜞菊扦插存活率高，在低土层中生长良好，适应冬季干旱寒冷条件，枯萎的植株在恢复浇水后迅速复活。南美蟛蜞菊观赏性强，具有在粤东地区进行屋顶绿化的潜力。

英文摘要：

In order to screen suitable invasive plants in East Guangdong for green roof, four kinds of invasive plants in East Guangdong including Lantana camara L. ,Mikania micrantha H. B. K. , Ipomoea cairica （L.） Sweet and Wedelia trilobata （L.）A. S. Hitche were potted, and cuttage survival percentage, plant height and branch length were determined. The effect of soil height and irrigation mode on plant growth, drought-resist- ance and cold-hardiness capacity, wilting plant resurrection capacity were studied to screen green roof plants. The results showed that plants grew vigorously in high soil; drip irrigation was conducive to plant growth; Wedelia trilobata（L. ）A. S. Hitche had high cuttage survival rate and grew well in low soil; that adapted to cold and dry in winter,and withered plants would quickly revive if watering again. Mikania micrantha H. B. K. was a kind of ornamental plant which had the potential to be green roof plants in East Guangdong.