川南地区引种降香黄檀造林试验初报

A Preliminary Report on Afforestation with Dalbergia odorifera in Yibin

为研究降香黄檀不同种苗类型及不同季节造林与林分生长关系,对宜宾地区的降香黄檀林分生长性状调查分析,结果表明:扦插苗造林的林分在幼林期生长速度要快于实生苗造林林分,扦插苗造林表现出更好的适应能力;春季造林和秋季造林的成活率都在90%以上,但春季造林(97.87%)的效果明显好于秋季造林(94.33%);实生苗木在春季或秋季造林对林分的树高、胸径、冠幅等性状生长影响不显著。

In order to study the influence of different seedling types and seasons on forest growth,investigation and analysis were made of the growth traits of Dalbergia odorifera in yibin areas. The results showed that the forest of cutting seedlings grew faster than that of seedlings during the plantlet stage,and cutting plantation showed a better adaptability. The survival rate of spring afforestation and autumn afforestation were both above 90%,while the effect of spring afforestation（97. 87%） was significantly better than that of autumn（94. 33%）. For seedlings,the effects were not significantly different on the growth of height,DBH,canopy between spring afforestation and autumn afforestation.