Biodiv Sci ›› 2015, Vol. 23 ›› Issue (1): 18-22.DOI: 10.17520/biods.2014065
• Original Papers: Plant Diversity • Previous Articles Next Articles
Ziyan Zhang, Zhijie Zhang, Xiaoyun Pan*()
Received:
2014-03-29
Accepted:
2014-10-07
Online:
2015-01-20
Published:
2015-05-04
Contact:
Xiaoyun Pan
Ziyan Zhang, Zhijie Zhang, Xiaoyun Pan. Phenotypic plasticity of Alternanthera philoxeroides in response to shading: introduced vs. native populations[J]. Biodiv Sci, 2015, 23(1): 18-22.
参数 Source of variation | 总生物量 Total biomass | 根冠比 RSR | 分枝生物量比 BBF | 比茎长 SSL | 比叶面积 SLA | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
F | P | F | P | F | P | F | P | F | P | |||||
来源地 Origin | 1.05 | 0.309 | 12.87 | 0.001 | 31.60 | <0.001 | 25.40 | <0.001 | 6.69 | 0.012 | ||||
种群 Population | 1.23 | 0.301 | 1.59 | 0.149 | 1.99 | 0.064 | 2.84 | 0.010 | 1.33 | 0.247 | ||||
光照 Shading | 408.82 | <0.001 | 216.62 | <0.001 | 35.41 | <0.001 | 624.00 | <0.001 | 125.16 | <0.001 | ||||
来源地×光照 Origin×shading | 2.51 | 0.119 | 7.50 | 0.008 | 4.66 | 0.035 | 5.81 | 0.019 | 2.304 | 0.135 | ||||
种群×光照 Population×shading | 0.48 | 0.863 | 1.02 | 0.435 | 0.53 | 0.829 | 2.07 | 0.054 | 1.20 | 0.314 |
Table 1 ANOVA of the effect of continental origin, population, and shading on total biomass, root/shoot ratio (RSR), branch biomass fraction (BBF), specific stem length (SSL) and specific leaf areas (SLA) of Alternanthera philoxeroides
参数 Source of variation | 总生物量 Total biomass | 根冠比 RSR | 分枝生物量比 BBF | 比茎长 SSL | 比叶面积 SLA | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
F | P | F | P | F | P | F | P | F | P | |||||
来源地 Origin | 1.05 | 0.309 | 12.87 | 0.001 | 31.60 | <0.001 | 25.40 | <0.001 | 6.69 | 0.012 | ||||
种群 Population | 1.23 | 0.301 | 1.59 | 0.149 | 1.99 | 0.064 | 2.84 | 0.010 | 1.33 | 0.247 | ||||
光照 Shading | 408.82 | <0.001 | 216.62 | <0.001 | 35.41 | <0.001 | 624.00 | <0.001 | 125.16 | <0.001 | ||||
来源地×光照 Origin×shading | 2.51 | 0.119 | 7.50 | 0.008 | 4.66 | 0.035 | 5.81 | 0.019 | 2.304 | 0.135 | ||||
种群×光照 Population×shading | 0.48 | 0.863 | 1.02 | 0.435 | 0.53 | 0.829 | 2.07 | 0.054 | 1.20 | 0.314 |
Fig. 1 The effects of light level (control and shading) on total biomass (a), root shoot ratio (b), branch biomass fraction (c), specific stem length (d), and specific leaf area (e) (mean ± S.E.) of Alternanthera philoxeroides from native (Argentina) and introduced (America) ranges. * Significant differences between regions (P<0.05).
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