Chin J Plant Ecol ›› 2007, Vol. 31 ›› Issue (4): 607-612.DOI: 10.17521/cjpe.2007.0077
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ZHAO Lei, ZHI Ying-Biao, LI Hong-Li, AN Shu-Qing*(), DENG Zi-Fa, ZHOU Chang-Fang
Received:
2006-07-19
Accepted:
2007-01-05
Online:
2007-07-19
Published:
2007-07-30
Contact:
AN Shu-Qing
ZHAO Lei, ZHI Ying-Biao, LI Hong-Li, AN Shu-Qing, DENG Zi-Fa, ZHOU Chang-Fang. EFFECTS OF INITIAL CLONE NUMBER ON MORPHOLOGICAL PLASTICITY AND BIOMASS ALLOCATION OF THE INVASIVE SPARTINA ANGLICA[J]. Chin J Plant Ecol, 2007, 31(4): 607-612.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2007.0077
形态特征 Morphological characteristics | 单克隆 Single clone | 三克隆 Triple clones | 五克隆 Quinary clones |
---|---|---|---|
间隔子 Spacer length (cm) | 5.771 ± 1.093a | 5.829 ± 1.294a | 6.756 ± 1.376a |
分支强度 Branching intensity | 15.4 ± 7.3a | 21.6 ± 5.6b | 25.1 ± 9.3b |
根茎数 Rhizome number | 5.6 ± 2.6a | 13.2 ± 6.7b | 12.1 ± 5.5b |
根茎节数 Rhizome node number | 26.8 ± 7.4a | 41.9 ± 13.0b | 60.9 ± 27.7c |
根状茎总长 Rhizome total length (cm) | 31.3 ± 11.7a | 75.1 ± 34.9b | 77.6 ± 27.7b |
株高 Culm height (cm) | 23.82 ± 3.20a | 26.99 ± 3.41a | 26.15 ± 3.44a |
茎粗 Stem thickness (cm) | 0.420 ± 0.078a | 0.420 ± 0.115a | 0.406 ± 0.098a |
叶数 Leaf number | 16.6 ± 7.1a | 36.6 ± 15.3b | 43.3 ± 23.2b |
叶面积 Leaf area (cm2) | 6.4 ± 1.8a | 7.5 ± 2.1a | 6.8 ± 2.4a |
叶厚度 Leaf thickness (cm) | 0.047 ± 0.004a | 0.053 ± 0.010a | 0.048 ± 0.011a |
Table 1 Morphological characteristics of Spartina anglica under different initial clone numbers
形态特征 Morphological characteristics | 单克隆 Single clone | 三克隆 Triple clones | 五克隆 Quinary clones |
---|---|---|---|
间隔子 Spacer length (cm) | 5.771 ± 1.093a | 5.829 ± 1.294a | 6.756 ± 1.376a |
分支强度 Branching intensity | 15.4 ± 7.3a | 21.6 ± 5.6b | 25.1 ± 9.3b |
根茎数 Rhizome number | 5.6 ± 2.6a | 13.2 ± 6.7b | 12.1 ± 5.5b |
根茎节数 Rhizome node number | 26.8 ± 7.4a | 41.9 ± 13.0b | 60.9 ± 27.7c |
根状茎总长 Rhizome total length (cm) | 31.3 ± 11.7a | 75.1 ± 34.9b | 77.6 ± 27.7b |
株高 Culm height (cm) | 23.82 ± 3.20a | 26.99 ± 3.41a | 26.15 ± 3.44a |
茎粗 Stem thickness (cm) | 0.420 ± 0.078a | 0.420 ± 0.115a | 0.406 ± 0.098a |
叶数 Leaf number | 16.6 ± 7.1a | 36.6 ± 15.3b | 43.3 ± 23.2b |
叶面积 Leaf area (cm2) | 6.4 ± 1.8a | 7.5 ± 2.1a | 6.8 ± 2.4a |
叶厚度 Leaf thickness (cm) | 0.047 ± 0.004a | 0.053 ± 0.010a | 0.048 ± 0.011a |
生物量分配Biomass allocation (%) | 单克隆Single clone | 三克隆Triple clones | 五克隆Quinary clones |
---|---|---|---|
地上生物量Above-ground biomass | 35.63 ± 9.24a | 44.70 ± 12.53a | 41.47 ± 9.06a |
根生物量Root biomass | 53.67 ± 7.77a | 37.85 ± 13.74b | 40.45 ± 9.12b |
根状茎生物量Rhizome biomass | 10.70 ± 4.02a | 17.46 ± 6.70b | 18.08 ± 7.50b |
Table 2 Biomass allocations of Spartina anglica under different initial clone numbers
生物量分配Biomass allocation (%) | 单克隆Single clone | 三克隆Triple clones | 五克隆Quinary clones |
---|---|---|---|
地上生物量Above-ground biomass | 35.63 ± 9.24a | 44.70 ± 12.53a | 41.47 ± 9.06a |
根生物量Root biomass | 53.67 ± 7.77a | 37.85 ± 13.74b | 40.45 ± 9.12b |
根状茎生物量Rhizome biomass | 10.70 ± 4.02a | 17.46 ± 6.70b | 18.08 ± 7.50b |
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