Chin J Plan Ecolo ›› 2015, Vol. 39 ›› Issue (7): 746-752.DOI: 10.17521/cjpe.2015.0071
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WANG Biao1,2, JIANG Yuan1,2,3(), WANG Ming-Chang1,2, DONG Man-Yu1,2, ZHANG Yi-Ping1,2
Online:
2015-07-01
Published:
2015-07-22
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# Co-first authors
WANG Biao,JIANG Yuan,WANG Ming-Chang,DONG Man-Yu,ZHANG Yi-Ping. Variations of non-structural carbohydrate concentration of Picea meyeri at different elevations of Luya Mountain, China[J]. Chin J Plan Ecolo, 2015, 39(7): 746-752.
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海拔 Elevation (m) | NSC总体含量 Overall NSC (%) | NSC源 NSC in source (%) | NSC汇 NSC in sink (%) | 源-汇比 SSR-NSC |
---|---|---|---|---|
2 040 | 12.09b | 19.49b | 9.62b | 2.0a |
2 400 | 12.62b | 19.48b | 10.33a | 1.9a |
2 740 | 14.56a | 23.12a | 11.71a | 2.0a |
Table 1 Non-structural carbohydrate (NSC) across tissues, NSC in source (needles) and sink (carbon storage organs-fine roots and stem sapwood), and source-sink ratio of NSC (SSR-NSC = source NSC/sink NSC) in Picea meyeri growing at different elevations
海拔 Elevation (m) | NSC总体含量 Overall NSC (%) | NSC源 NSC in source (%) | NSC汇 NSC in sink (%) | 源-汇比 SSR-NSC |
---|---|---|---|---|
2 040 | 12.09b | 19.49b | 9.62b | 2.0a |
2 400 | 12.62b | 19.48b | 10.33a | 1.9a |
2 740 | 14.56a | 23.12a | 11.71a | 2.0a |
海拔 Elevation (m) | 可溶性糖 Soluble sugar (%) | 淀粉 Starch (%) | 可溶性糖/淀粉 Sugar/ Starch ratio |
---|---|---|---|
2 040 | 8.57b | 3.53b | 2.4a |
2 400 | 8.59b | 4.03a | 2.1a |
2 740 | 10.32a | 4.24a | 2.4a |
Table 2 Concentrations of soluble sugar, starch and ratios of total soluble sugars to starch in Picea meyeri growing at different elevations
海拔 Elevation (m) | 可溶性糖 Soluble sugar (%) | 淀粉 Starch (%) | 可溶性糖/淀粉 Sugar/ Starch ratio |
---|---|---|---|
2 040 | 8.57b | 3.53b | 2.4a |
2 400 | 8.59b | 4.03a | 2.1a |
2 740 | 10.32a | 4.24a | 2.4a |
Fig. 1 Non-structural carbohydrate (NSC) concentrations in tissues of Picea meyeri growing at different elevations (mean ± SD, n = 5). Capital (for NSC ) and small letters (uppercase letters for sugars, and lowercase letters for starch) indicate significant differences (p < 0.05, Duncan test) among different altitudes.
海拔 Elevation (m) | 叶 Leaf | 细根 Fine root | 粗根 Coarse root | 茎干 Stem |
---|---|---|---|---|
2 040 | 12.56b | 1.33a | 0.85a | 1.27b |
2 400 | 11.12b | 1.40a | 0.78a | 0.64c |
2 740 | 16.50a | 1.27a | 0.87a | 1.64a |
Table 3 The ratio of soluble sugar concentration and starch concentration in tissues of Picea meyeri at different elevations
海拔 Elevation (m) | 叶 Leaf | 细根 Fine root | 粗根 Coarse root | 茎干 Stem |
---|---|---|---|---|
2 040 | 12.56b | 1.33a | 0.85a | 1.27b |
2 400 | 11.12b | 1.40a | 0.78a | 0.64c |
2 740 | 16.50a | 1.27a | 0.87a | 1.64a |
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