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著名的热带水果西番莲(Passiflora coerulea),别名时计草,属于西番莲科的多年生攀缘藤本植物。由于该植物喜温暖、潮湿和充足的阳光,在我国华南地区可露天种植,而北方仅夏季可露地栽种,到了冬季则要移入温室内,越冬温度6—8℃。2001年12月我们从福建农科院引进黄果西番莲,栽植在本所试验农场塑料大棚内。一年来,长势良好,现已结果。为了尽快实现热带果树西番莲能在北方地区快速繁殖,我们进行了绿枝扦插试验。其过程如下:
The famous tropical fruit passiflora (Passiflora coerulea), alias timepiece grass, belong to Passiflora perennial climbing vine. As the plant likes warm, humid and abundant sunshine, it can be planted openly in South China. However, the northern part of the plant can only be planted in the open in the summer and moved into the greenhouse in winter. The winter temperature is 6-8 ℃. December 2001 We introduced from the Fujian Academy of Agricultural Sciences Passiflora fruit, planted in our experimental farm plastic greenhouse. In the past year, it has been in good shape now. In order to achieve the rapid growth of the tropical fruit tree passionflower in the northern region, we conducted a green branch cutting experiment. The process is as follows: