[1]王邦富.杉木林分郁闭度对林下黄花倒水莲生长及皂苷含量的影响[J].江苏林业科技,2021,48(04):24-27.[doi:10.3969/j.issn.1001-7380.2021.04.005]
　Wang Bangfu.Influence of canopy density of Chinese fir stand on the undergrowth and polygalacin content of Polygala fallax[J].Journal of Jiangsu Forestry Science &Technology,2021,48(04):24-27.[doi:10.3969/j.issn.1001-7380.2021.04.005]
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杉木林分郁闭度对林下黄花倒水莲生长及皂苷含量的影响()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第48卷
期数:
2021年04期
页码:
24-27
栏目:
试验研究
出版日期:
2021-08-31

文章信息/Info

Title:
Influence of canopy density of Chinese fir stand on the undergrowth and polygalacin content of Polygala fallax
文章编号:
1001-7380（2021）04-0024-04
作者:
王邦富
福建三明林业学校，福建 三明 365001
Author(s):
Wang Bangfu
Fujian Sanming Forestry School, Sanming 365001, China
关键词:
黄花倒水莲; 杉木; 林下经济; 郁闭度; 生长量; 远志皂苷
Keywords:
Polygala fallax Hemsl.; Chinese fir; Non-timber forest-based economy; Canopy density; Growth; Polygalacin
分类号:
S344.3；S567.1+9；S791.27
DOI:
10.3969/j.issn.1001-7380.2021.04.005
文献标志码:
A
摘要:
在杉木人工中龄纯林的林冠下，设计5个林分郁闭度（0.1—0.2，0.2—0.4，0.4—0.6，0.6—0.8，0.8—0.9），进行2 年生黄花倒水莲苗套种试验，3 a 后比较其生长及其根茎远志皂苷的含量。结果表明，不同郁闭度林冠下套种的黄花倒水莲，生长量及根茎远志皂苷含量均以郁闭度0.4—0.6的林分为最高，黄花倒水莲植株平均保存率为85.5%，平均地径达2.15 cm，平均株高达123.0 cm，平均冠幅达92.7 cm，平均根茎总质量（干质量）达99.28 kg/m2，根茎中远志皂苷平均含量达1 939.12 mg/kg；郁闭度为0.2—0.4 的上述各项指标值次之，低郁闭度（0.1—0.2）及较高郁闭度（0.6—0.9）的各项指标值均显著降低。认为选择郁闭度为0.4—0.6 的杉木人工纯林林分套种黄花倒水莲，生长量及根茎药材产量与质量较高。
Abstract:
After planting 2-year-old seedlings of Polygala fallax Hemsl. under the canopy of middle-aged pure Chinese fir plantation，5 canopy densities (0.1—0.2, 0.2—0.4, 0.4—0.6, 0.6—0.8 and 0.8—0.9) were designed to compare their undergrowth and polygalacin content. The results showed that 3 years later，both the growth and rhizome polygalacin content were the highest at the canopy density of 0.4—0.6，that was, the average preservation rate of plants reached 85.5%，average ground diameter reached 2.15 cm，average height reached 123.0 cm，average crown width reached 92.7 cm，and average total rhizome weight (dry weight) reached 99.28 kg/m2 with average rhizome polygalacin content of 1 939.12 mg/kg. The above-mentioned indexes followed at the canopy density of 0.2—0.4. All the indexes decreased significantly at low canopy density as 0.1—0.2 or high canopy density as 0.6—0.9. Therefore, the canopy density ranged from 0.4 to 0.6, could be preferent when growing P. fallax Hemsl. under Chinese fir pure plantation as high growth, yield and quality of medicinal materials from rhizomes could be achieved.

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备注/Memo

备注/Memo:
收稿日期：2021-06-04;修回日期：2021-06-25
基金项目：福建省科学技术厅科研项目“黄花倒水莲种苗繁育及规范化栽培关键技术研究”（2016N0010）；福建省林业局推广项目“黄花倒水莲林下高效栽培技术推广与示范”（闽林推[2016]ST14号）
作者简介：王邦富(1969- )，男，福建宁化人，高级工程师。主要从事森林培育、中草药栽培技术研究。E-mail：927669311@qq.com。
更新日期/Last Update: 2021-10-14