论文部分内容阅读
常春藤(Hedera nepalensis K.Kochvar.sinensis[Tobl.]Rehd)是五加科、常春藤属的常绿攀缘藤本植物,也是适合布置在室内的观叶花卉。常春藤原产北非、欧、亚,西欧各国比较广泛栽培。根很细,约长2cm,带有胶状粘液,赖此液粘附着墙上,十分牢固。叶片全缘或3裂,革质,光滑,油绿,叶柄细长;8～9月间伞形花序上开着5瓣的淡绿或淡黄色的花;9～10月果实成熟,果色有黄有红,十分艳丽。常春藤的繁殖一般以扦插为主,除冬季外均可扦插。具体做法:选择成熟的常春藤枝条,截剪成7cm～10cm,插在装有腐殖质的沙土内,保持18℃～25℃的温度,约经20天左右,可望生根。此外还可将常春藤枝条浸泡在含有
Ivy (Hedera nepalensis K. Kochvar.sinensis [Tobl.] Rehd) is an evergreen climbing vine of the genus Gracilaria, also suitable for foliage arrangement indoors. Ivy origin North Africa, Europe, Asia, Western Europe more widely cultivated. The root is very thin, about 2cm long, with colloidal mucus, which depends on the liquid sticking to the wall, very solid. Leaves entire or 3-lobed, leathery, smooth, greasy green, petiole slender; 8 to 9 months on umbelliferous with 5 petals of light green or yellowish yellow; 9-10 months of fruit ripening, fruit color with Yellow red, very beautiful. Ivy breeding generally cuttage, except in winter can cuttings. Specific practices: Select mature ivy branches, cut into 7cm ~ 10cm, inserted in the sandy soil with humus, to maintain the temperature of 18 ℃ ~ 25 ℃, about 20 days, is expected to root. In addition, the ivy branches can be soaked in