[1]陈月芳.黑木相思17号无性系在桂东地区早期生长表现[J].江苏林业科技,2019,46(03):42-44.[doi:10.3969/j.issn.1001-7380.2019.03.010]
　Chen Yuefang.Early growth performance of Clone 17, Acacia melanoxylon in eastern Guangxi Province[J].Journal of Jiangsu Forestry Science &Technology,2019,46(03):42-44.[doi:10.3969/j.issn.1001-7380.2019.03.010]
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黑木相思17号无性系在桂东地区早期生长表现()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第46卷
期数:
2019年03期
页码:
42-44
栏目:
试验研究
出版日期:
2019-06-30

文章信息/Info

Title:
Early growth performance of Clone 17, Acacia melanoxylon in eastern Guangxi Province
文章编号:
1001-7380（2019）03-0042-03
作者:
陈月芳
广西贺州市林业科学研究所，广西贺州543100
Author(s):
Chen Yuefang
Hezhou Forestry Research Institute, Hezhou 543100,China
关键词:
黑木相思; 17号无性系; 桂东; 生长; 地径; 胸径; 树高
Keywords:
Blackwood Acacia; Clone17; Eastern Guangxi; Growth; Ground diameter; Tree height; DBH
分类号:
Q945.3；S792.99
DOI:
10.3969/j.issn.1001-7380.2019.03.010
文献标志码:
A
摘要:
为丰富桂东地区速生树种多样性以及为生态敏感地区桉树改造提供新的树种，2017年5月在桂东地区试种黑木相思17号无性系20 hm2，分别在造林后第8个月和14个月调查试验林不同海拔、坡向、坡位的林分生长情况，试验结果表明：黑木相思17号无性系在桂东地区造林成活率85%以上，造林后第8个月成活率、地径和树高分别为92%，3.1 cm和2.3 m，造林第14个月地径、胸径和树高分别为7.4 cm，5.8 cm和5.0 m；黑木相思造林后8—14个月，上坡生长表现优于下坡，海拔200 m生长表现优于海拔320 m。说明黑木相思17号无性系适合在桂东地区生长，避开谷底和山脚等光照不足地块、及时抚育是黑木相思在桂东地区造林成功的关键。
Abstract:
In order to enrich the diversity of fast-growing tree species in the eastern Guangxi and provide new tree species for tampering in ecologically sensitive areas. In May 2017, Clone17 seedling forest of Acacia melanoxylon within 300 acres were investigated in eastern Guangxi Province, for their growth at different altitudes, direction of slope, position of slope in the 8th and 14th months after afforestation, respectively. The results showed that the survival rate of Clone17 seedlings was more than 85% . And the survival rate, ground diameter and tree height in the 8th month after afforestation were 92%, 3.1 cm and 2.3 m, respectively. The ground diameter, DBH and tree height of the 14th month after afforestation were 7.4 cm, 5.8 cm and 5.0 m respectively. The growth performance of uphill slope was better than downhill after 8—14 months afforestation, while the growth at 200 m above sea level was better than that at 320 m. It was indicated that Clone17 was suitable for growth in the eastern Guangxi.

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备注/Memo

备注/Memo:
收稿日期：2019-05-10;修回日期：2019-05-30
作者简介：陈月芳（1974- ），女，工程师，大学本科毕业。主要从事林业科研与技术推广应用，林木良种繁育项目管理等工作。E-mail:369172228@qq.com。
更新日期/Last Update: 2019-07-29