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白豆杉(Pseudotaxus chienii Cheng)是国家二级保护树种,主要分布在浙江、江西、湖南、广东、广西等海拔800米以上的山地。我们进行了两次白豆杉扦播试验,结果表明,以5月份扦插效果最好,生根率达65%。一、插床的准备插床东西走向,长2—4米,宽1米,高55厘米,结合深翻土壤用1.1%的高锰酸钾溶液进行消毒,平整床面,第一次扦插床面盖细煤渣15厘米,上面加铺清河沙2-3厘米,第二次插床不铺煤渣,而用1:3的腐殖土与河沙混合后加盖于床面。插床上搭塑料拱棚或荫棚保湿。二、扦插试验1.第一次扦插于12月8日进行,圃址位于海拔400米,插穗剪自五指峰天然母树1-2年生枝条,长10cm,插口平截,上部
Pseudotaxus chienii Cheng is a national secondary protected species mainly distributed in mountainous areas of over 800 meters above sea level in Zhejiang, Jiangxi, Hunan, Guangdong and Guangxi. We conducted two cutting trials of white yew, the results show that in May the best cutting, rooting rate of 65%. First, the preparation of the insertion bed Slot east-west, 2-4 meters long, 1 meter wide and 55 centimeters high, combined with deep soil with 1.1% potassium permanganate solution disinfection, flat bed, the first cutting bed cover Fine cinder 15 cm above the river plus pay 2-3 cm, the second slot is not paved cinder, but with 1: 3 humus mixed with river sand and stamped on the bed. Sling plastic shed shed or shade moisturizing. Second, cutting test 1. The first cuttings on December 8, the site address is located at an altitude of 400 meters, cutting cut from five fingers peak 1-2 years old natural tree branches, length 10cm, jack cut, the upper part