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在浙江龙泉通过两次杉木种源试验,结果表明比较优良的种源大体分布在黔、桂、湘、粤交界地区、闽江流域、蜀滇东南和桂西南共5个区。如融水、锦屏、乐昌、金南4种源8年生时材积大于对照30～43％。设计合理、管理适当的试验,在3年生时也可以对少数生长突出的种源作初选。融水如锦屏两种源的生长最为突出,8年生时材积分别大于对照43％和38％;5年生时树高分别大于对照34％和20％。若选择其优良单株营建种源种予园,可望得到较大的增产效益。
The results of two provenance tests in Longquan, Zhejiang Province showed that the relatively good provenances were mainly distributed in five areas of Guizhou, Guangxi, Hunan and Guangdong border areas, the Minjiang River basin, the southeast of Sichuan, Yunnan and southwest of Guangxi. Such as melt water, Jinping, Lechang, Kim Nam 4 source 8-year-old product volume greater than the control of 30 to 43%. Properly designed and properly managed tests can also be used as initial primaries for a few ethnic provenances at 3 years of age. Melting water such as Jinping two sources of the growth of the most prominent, 8-year-old volume were larger than the control 43% and 38%; 5-year-old tree height were greater than the control 34% and 20%. If the selection of its good plant construction provenance to the park, is expected to be greater yield benefits.