哈尔滨市几种宿根花卉的应用

Applied Research of Some Kinds of Persistent-foot Flower in Harbin

对适合于哈尔滨市园林应用的４种宿根花卉千屈菜、松果菊、黄花鸢尾及射干的引种、栽培及繁殖进行了研究。结果表明：千屈菜对环境有较强的适应性．最适生境为水湿地。在旱地也可正常生长，可在春季采用分株方法繁殖；松果菊抗性强．在哈尔滨市生长良好，可不加保护安全露地越冬。分株及播种繁殖均可：黄花鸢尾抗性强、花期早，可在春、秋季分株繁殖；射干适生于肥沃的沙质壤土。亦耐瘠薄，花期７～８月份、可采用分株及播种进行繁殖。在明确４种宿根花卉生态学习性及繁殖方法的基础上、对其园林应用提出了建议。

The introduction. cultivation and reproduction of four persistent-foot flowers which are adapt to gardens application of Harbin city were studied. The results show that Lythrum salicaria has relatively strong adaptive ability and its best habitat is wetland. It can also grow well in dry site and can be reproduced by separating the mother plant in spring, Echinacea purpaurea has strong resistance and grow well in Harbin without any special protection in winter. it can be reproduced by seed and separation. Iris flavissma has strong resistance and early anthesis, and it can be reproduced by separation in spring and autumn. Belamcanda chinensis can grow well in the fertile sandy soil and has strong tolerance in poor soil. Its anthesis from July to August. and it can be reproduced by seed and separation. Some advices on garden application were promoted based on the ecological habit and reproducing method of four persistent-foot flowers.