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南洋杉是世界公认的三大庭园绿化树种之一。其中塔式南洋杉(Araucaria excelsa)株高20—30米,侧枝分层轮生,水平伸展,呈金字塔形,雄伟壮观,是庭园绿化和盆景优良树种。在福建师范大学校园内有7株采种母树,塔式南洋杉是雌雄异株,在福州地区当年生出的球果在次年7月底8月初成熟,成熟的球果椭圆形,比鹅蛋大一倍左右,每个球果内含种子300余粒。自然结果由于授粉不良等原因,空瘪种子较多,每公斤种子3600粒左右,出苗率在1—15%之间。一般年份每公斤种子可育苗100余株。种子育苗苗床适宜用沙性壤土,播种前土壤用“敌克松”消毒处理,种子宜用0.1%升汞溶液浸泡10分钟,冲洗干净后撒播,覆土1厘米,一般9月底10月初播种时,播后7天出土,15天全苗,幼苗长到2个月后可移栽或上盆。几
Araucaria is recognized as one of the three greenery in the world. Among them, Araucaria excelsa plant height of 20-30 meters, the lateral branch layered rotation, horizontal stretch, pyramid-shaped, majestic, is a beautiful garden and bonsai tree species. In Fujian Normal University campus has seven seed trees planted, Tower Araucaria is dioecious, in Fuzhou area was born in the following year the end of July the end of August mature early mature cone oval, freshman than goose Times or so, each ball contains more than 300 seeds. Natural results Due to poor pollination and other reasons, empty shriveled seeds more, about 3600 seeds per kilogram, the emergence rate of 1-15%. General year seedlings per kilogram can be more than 100 strains. Seedling seedling suitable for sandy loam bed soil, sowing before the soil with the “enemy Kesi” disinfection, seeds should be 0.1% mercury solution soak for 10 minutes, rinsed and sowing, soil cover 1 cm, generally at the end of September early October planting, Seven days after sowing unearthed, 15 days full seedlings, seedlings grow to 2 months after transplanting or potting. a few