JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2021, Vol. 45 ›› Issue (1): 79-85.doi: 10.12302/j.issn.1000-2006.201910034
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GUO Wen1(), QI Lianghua1,2,*(
), LEI Gang1,2,3, HU Xuan1, ZHANG Jian1, SHU Qi1, SHANG Ze’an1
Received:
2019-10-28
Accepted:
2020-02-27
Online:
2021-01-30
Published:
2021-02-01
Contact:
QI Lianghua
E-mail:guobowen11@163.com;qlh@icbr.ac.cn
CLC Number:
GUO Wen, QI Lianghua, LEI Gang, HU Xuan, ZHANG Jian, SHU Qi, SHANG Ze’an. Leaf stoichiometry and nutrient reabsorption efficiency of Phyllostachys edulis and its varieties[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2021, 45(1): 79-85.
Fig.1
Contents of C, N, P in mature leaves of P. edulis varieties at different ages Different uppercase letters indicated significant differences among bamboo ages under the same bamboo species at 0.05 level, then different lowercase letters indicated significant differences among different bamboo species with the same age at 0.05 level. The same below."
Table 1
The leaf stoichiometric ratios of Phyllostachys edulis and its varieties in different periods"
时期 period | 化学计量比 stoichiometry | 竹龄/a bamboo age | 比值ratio | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
H | HC | M | HB | JS | |||||||
成熟叶 mature leaf | C/N | 1 | 14.59±0.25 Aa | 15.04±0.21 Aa | 15.09±0.83 Aa | 13.10±0.46 Ab | 15.11±0.17 Aa | ||||
3 | 13.78±0.22 Ac | 14.97±0.50 Ab | 16.54±0.54 Aa | 13.30±0.20 Ac | 15.13±0.35 Ab | ||||||
5 | 12.81±0.35 Bc | 14.36±0.26 Aab | 15.16±0.23 Aa | 13.64±0.31 Abc | 15.42±0.59 Aa | ||||||
C/P | 1 | 1 568.03±194.28 Aab | 1 513.42±180.42 Bab | 1 825.94±133.37 Bab | 1 658.49±113.19 Bb | 2 004.82±77.10 Aa | |||||
3 | 1 760.53±247.60 Ab | 2 533.31±282.65 Aa | 2 288.22±58.80 Bab | 2 025.33±64.43 Aab | 2 054.33±119.50 Aab | ||||||
5 | 1 936.15±524.12 Ab | 2 335.74±150.84 Aab | 2 929.51±278.34 Aa | 1 527.85±62.90 Bb | 1 912.42±91.37Ab | ||||||
N/P | 1 | 107.55±13.35 Aa | 100.65±11.92 Ba | 121.96±9.18 Ba | 127.90±11.61 ABa | 132.89±6.53 Aa | |||||
3 | 126.93±15.99 Ab | 169.76±19.63 Aa | 139.19±7.19 Bab | 152.61±6.21 Aab | 135.78±7.28 Aab | ||||||
5 | 150.77±40.01 Aab | 162.94±10.83 Aab | 193.92±20.29 Aa | 112.29±5.48 Bb | 125.17±8.68 Ab | ||||||
凋落叶 withered leaf | C/N | 1 | 23.73±1.67 Aa | 16.30±0.41 Bb | 16.12±0.23 Bb | 14.10±0.42 Bb | 15.51±0.33 Ab | ||||
3 | 23.76±1.51 Aa | 17.88±0.67 Abc | 20.05±0.72 Ab | 15.29±0.37 Bc | 20.28±0.77 Ab | ||||||
5 | 19.67±1.22 Aa | 16.62±0.27 ABc | 16.53±0.34 Bc | 17.09±0.81 Abc | 19.48±0.99 Aab | ||||||
C/P | 1 | 5 407.14±1 250.29 Aa | 2 273.74±315.61 Ab | 1 928.78±63.55 Cb | 1 852.57±74.65 Bb | 1 988.96±76.91 Bb | |||||
3 | 4 649.96±1 086.91 Aa | 3 355.61±328.64 Aa | 3 137.53±229.63 Aa | 2 569.46±272.18 Aa | 3 899.10±869.23 Aa | ||||||
5 | 2 644.93±348.29 Aa | 3 101.29±541.62 Aa | 2 639.02±140.79 Ba | 2 197.04±160.72 ABa | 3 206.84±212.85 ABa | ||||||
N/P | 1 | 218.27±35.94 Aa | 138.33±15.98 Ab | 119.62±3.52 Bb | 131.75±6.15 Bb | 128.38±5.25 Ab | |||||
3 | 190.60±33.76 Aa | 186.09±11.65 Aa | 156.13±8.65 Aa | 167.14±14.71 Aa | 188.05±35.36 Aa | ||||||
5 | 136.94±20.97 Aab | 186.47±32.42 Aa | 159.48±6.88 Aab | 128.26±5.99 Bb | 164.22±4.02 Aab |
Table 2
Leaf resorption efficiency of P. edulis and its varieties at different ages"
养分 nutrient | 竹龄/a bamboo age | 重吸收效率/% resorption efficiency | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
H | HC | M | HB | JS | ||||||
N | 1 | 40.84±4.74 Aa | 8.40±3.19 Ab | 4.93±4.99 Bb | 7.54±2.67 Bb | -2.14±3.19 Bb | ||||
3 | 46.69±3.94 Aa | 16.16±4.08 Ac | 22.63±4.96 Abc | 14.56±3.58 ABc | 30.65±2.80 Ab | |||||
5 | 42.49±2.38 Aa | 13.84±2.74 Abc | 9.30±1.28 Bc | 23.24±4.12 Ab | 24.03±6.07 Ab | |||||
P | 1 | 67.44±7.00 Aa | 31.80±3.07 Ab | 3.25±1.55 ABc | 9.40±3.69 Ac | -5.62±3.44 Bc | ||||
3 | 62.45±5.73 Aa | 21.71±10.24 Ab | 30.69±5.20 Ab | 19.86±7.62 Ab | 42.67±10.12 Aab | |||||
5 | 33.05±7.67 Aa | 13.84±4.42 Aab | -12.61±6.93 Bb | 31.41±7.88 Aa | 42.82±4.12 Aa |
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