草业学报 ›› 2021, Vol. 30 ›› Issue (3): 167-176.DOI: 10.11686/cyxb2020098
收稿日期:
2020-03-07
修回日期:
2020-09-09
出版日期:
2021-03-20
发布日期:
2021-03-09
通讯作者:
常智慧
作者简介:
Corresponding author. E-mail: changzh@bjfu.edu.cn基金资助:
Ning ZHANG(), Yun-xin CAO, Wei XU, Zhi-hui CAHNG()
Received:
2020-03-07
Revised:
2020-09-09
Online:
2021-03-20
Published:
2021-03-09
Contact:
Zhi-hui CAHNG
摘要:
污泥可用作土壤改良剂和生物肥料,改善绿地土壤的理化性质,促进植物的生长。在相同供氮水平和两种水分条件下,采用裂区设计(主处理:干旱胁迫和充分浇水;副处理:吲哚丁酸、污泥、添加色氨酸的污泥、色氨酸和空白对照),探索污泥对草地早熟禾生长及其激素代谢的影响。研究结果表明,干旱胁迫下,污泥能显著提高草坪坪观质量以及叶绿素、类胡萝卜素含量,促进其光合作用(P<0.05)。干旱胁迫下,污泥和色氨酸均能提高草地早熟禾根系的色氨酸及吲哚乙酸含量;污泥可以显著提高草地早熟禾根系和叶片中的吲哚乙酸及色氨酸含量,且施用添加色氨酸的污泥比单独施用污泥的影响更显著(P<0.05)。试验表明施用污泥能显著促进草坪草的生长,干旱胁迫下可提高草地早熟禾光合速率;施用污泥也可以增加草地早熟禾叶片、根系中色氨酸及吲哚乙酸的含量。
张宁, 曹允馨, 徐伟, 常智慧. 干旱胁迫下污泥对草地早熟禾生长及激素代谢的影响[J]. 草业学报, 2021, 30(3): 167-176.
Ning ZHANG, Yun-xin CAO, Wei XU, Zhi-hui CAHNG. Effects of biosolids on the growth and auxin metabolism of Poa pratensis under drought stress[J]. Acta Prataculturae Sinica, 2021, 30(3): 167-176.
含水量 Water content (%) | 全氮 Total nitrogen (N, mg·g-1) | 全磷 Total phosphorus (P, mg·g-1) | 全钾 Total potassium (K, mg·g-1) | 腐殖酸 Humic acid (%) | 生长素 IAA (μg·g-1) | 色氨酸 Tryptophan (TPR, μg·g-1) |
---|---|---|---|---|---|---|
84.7 | 66.6 | 68.9 | 13.3 | 40.0 | 0.095 | 1.328 |
表1 供试污泥的理化性质
Table 1 Properties of biosolids
含水量 Water content (%) | 全氮 Total nitrogen (N, mg·g-1) | 全磷 Total phosphorus (P, mg·g-1) | 全钾 Total potassium (K, mg·g-1) | 腐殖酸 Humic acid (%) | 生长素 IAA (μg·g-1) | 色氨酸 Tryptophan (TPR, μg·g-1) |
---|---|---|---|---|---|---|
84.7 | 66.6 | 68.9 | 13.3 | 40.0 | 0.095 | 1.328 |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 7.6bA | 7.4abAB | 7.1bB | 7.1bB | 7.8aA |
IBA | 7.6bA | 7.4abAB | 7.4abAB | 7.2bB | 7.7aA | |
UB | 7.7bA | 7.7aA | 7.6**aA | 7.5**abA | 7.8aA | |
TB | 7.8abAB | 7.8aAB | 7.8**aAB | 7.6**aB | 8.0aA | |
TRP | 7.6bA | 7.6abA | 7.5*abA | 7.3abA | 7.8aA | |
干旱胁迫Drought stress | CK | 7.5bA | 6.8cB | 5.5dC | 4.3fD | 5.8dC |
IBA | 7.5bA | 6.9bcB | 6.0cC | 4.8eD | 6.5**cBC | |
UB | 8.2**abA | 7.6**abB | 6.8**bC | 5.9**cD | 6.9**bcC | |
TB | 8.3**aA | 7.5**abB | 6.6**bC | 5.9**cD | 7.1**bC | |
TRP | 7.7bA | 7.2bAB | 5.9cdC | 5.4**dC | 6.8**bcB |
表2 2种水分条件下污泥对草地早熟禾坪观质量的影响
Table 2 Effects of biosolids on turfgrass quality of P. pratensis under two water conditions
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 7.6bA | 7.4abAB | 7.1bB | 7.1bB | 7.8aA |
IBA | 7.6bA | 7.4abAB | 7.4abAB | 7.2bB | 7.7aA | |
UB | 7.7bA | 7.7aA | 7.6**aA | 7.5**abA | 7.8aA | |
TB | 7.8abAB | 7.8aAB | 7.8**aAB | 7.6**aB | 8.0aA | |
TRP | 7.6bA | 7.6abA | 7.5*abA | 7.3abA | 7.8aA | |
干旱胁迫Drought stress | CK | 7.5bA | 6.8cB | 5.5dC | 4.3fD | 5.8dC |
IBA | 7.5bA | 6.9bcB | 6.0cC | 4.8eD | 6.5**cBC | |
UB | 8.2**abA | 7.6**abB | 6.8**bC | 5.9**cD | 6.9**bcC | |
TB | 8.3**aA | 7.5**abB | 6.6**bC | 5.9**cD | 7.1**bC | |
TRP | 7.7bA | 7.2bAB | 5.9cdC | 5.4**dC | 6.8**bcB |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 0.325cA | 0.331cA | 0.352dA | 0.343abA | 0.242bB |
IBA | 0.364cB | 0.395cB | 0.461**cA | 0.383aB | 0.217bC | |
UB | 0.459**bA | 0.472**bA | 0.428**cA | 0.393aA | 0.253abB | |
TB | 0.538**aA | 0.410*bcC | 0.477**bcB | 0.425**aC | 0.292abD | |
TRP | 0.410bcB | 0.385cB | 0.489**bcA | 0.406*aB | 0.236bC | |
干旱胁迫Drought stress | CK | 0.355cB | 0.477bA | 0.500bcA | 0.222bC | 0.298abB |
IBA | 0.356cCD | 0.461bcB | 0.579*abA | 0.401*aBC | 0.293abD | |
UB | 0.358cB | 0.557*aA | 0.528bA | 0.249bC | 0.232*abC | |
TB | 0.366cB | 0.547*aA | 0.576*abA | 0.379*aB | 0.305aB | |
TRP | 0.354cCD | 0.461bcB | 0.597**aA | 0.409*aBC | 0.305aD |
表3 2种水分条件下污泥对草地早熟禾类胡萝卜素含量的影响
Table 3 Effects of biosolids on leaf carotenoid content of P. pratensis under two water conditions (mg·g-1)
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 0.325cA | 0.331cA | 0.352dA | 0.343abA | 0.242bB |
IBA | 0.364cB | 0.395cB | 0.461**cA | 0.383aB | 0.217bC | |
UB | 0.459**bA | 0.472**bA | 0.428**cA | 0.393aA | 0.253abB | |
TB | 0.538**aA | 0.410*bcC | 0.477**bcB | 0.425**aC | 0.292abD | |
TRP | 0.410bcB | 0.385cB | 0.489**bcA | 0.406*aB | 0.236bC | |
干旱胁迫Drought stress | CK | 0.355cB | 0.477bA | 0.500bcA | 0.222bC | 0.298abB |
IBA | 0.356cCD | 0.461bcB | 0.579*abA | 0.401*aBC | 0.293abD | |
UB | 0.358cB | 0.557*aA | 0.528bA | 0.249bC | 0.232*abC | |
TB | 0.366cB | 0.547*aA | 0.576*abA | 0.379*aB | 0.305aB | |
TRP | 0.354cCD | 0.461bcB | 0.597**aA | 0.409*aBC | 0.305aD |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 2.70cA | 1.92cB | 2.17deB | 2.26cAB | 2.35bcAB |
IBA | 2.61cBC | 2.96**bAB | 2.51*dC | 2.73bcABC | 3.06**abA | |
UB | 3.24bcBC | 2.85**bC | 4.33**aA | 3.66**aAB | 3.59**aABC | |
TB | 3.11bcC | 3.20**bC | 4.43**aA | 4.01**aB | 3.20**abC | |
TRP | 2.89cA | 2.90**bA | 3.36**bA | 2.95**bA | 2.90*bA | |
干旱胁迫Drought stress | CK | 3.51bA | 3.02bB | 2.10eC | 1.39dD | 2.23cC |
IBA | 3.94abA | 3.39abB | 2.89**cC | 2.12**cD | 2.91bC | |
UB | 4.17aA | 3.84**aA | 3.09**bcB | 2.38**cC | 3.35**abB | |
TB | 4.04aA | 3.84**aA | 3.21**bcB | 2.67**bcC | 3.39**abB | |
TRP | 3.95abA | 3.39abAB | 2.69*cdBC | 2.26**cC | 3.28**abAB |
表4 2种水分条件下污泥对草地早熟禾叶绿素含量的影响
Table 4 Effects of biosolids on leaf chlorophyll content of P. pratensis under two water conditions (mg·g-1)
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 2.70cA | 1.92cB | 2.17deB | 2.26cAB | 2.35bcAB |
IBA | 2.61cBC | 2.96**bAB | 2.51*dC | 2.73bcABC | 3.06**abA | |
UB | 3.24bcBC | 2.85**bC | 4.33**aA | 3.66**aAB | 3.59**aABC | |
TB | 3.11bcC | 3.20**bC | 4.43**aA | 4.01**aB | 3.20**abC | |
TRP | 2.89cA | 2.90**bA | 3.36**bA | 2.95**bA | 2.90*bA | |
干旱胁迫Drought stress | CK | 3.51bA | 3.02bB | 2.10eC | 1.39dD | 2.23cC |
IBA | 3.94abA | 3.39abB | 2.89**cC | 2.12**cD | 2.91bC | |
UB | 4.17aA | 3.84**aA | 3.09**bcB | 2.38**cC | 3.35**abB | |
TB | 4.04aA | 3.84**aA | 3.21**bcB | 2.67**bcC | 3.39**abB | |
TRP | 3.95abA | 3.39abAB | 2.69*cdBC | 2.26**cC | 3.28**abAB |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 4.36bA | 4.42bA | 4.21bA | 4.08cA | 4.11bcA |
IBA | 5.24abA | 4.90abA | 5.02**abA | 4.85**bA | 4.92abA | |
UB | 5.26abA | 5.15**aA | 5.08**abA | 5.43**abA | 5.44aA | |
TB | 5.31abA | 5.25**aA | 5.41**aA | 5.79**aA | 5.66aA | |
TRP | 4.79bA | 5.09*aA | 4.97**abA | 5.26**abA | 5.55aA | |
干旱胁迫Drought stress | CK | 4.28bA | 3.67cB | 2.90cC | 2.24eD | 3.09cBC |
IBA | 5.21*abA | 4.35*bB | 3.19cC | 2.77deC | 3.21cC | |
UB | 5.32*abA | 5.22**aA | 4.53**bAB | 3.81**cdB | 4.62bAB | |
TB | 5.88**aA | 5.39**aAB | 4.65**bBC | 4.00**cC | 4.53bBC | |
TRP | 4.97bA | 4.43*bB | 3.43cCD | 3.15*dD | 3.64cC |
表5 2种水分条件下污泥对草地早熟禾叶片光合速率的影响
Table 5 Effects of biosolids on leaf photosynthetic rate of P. pratensis under two water conditions (μmol·m-2 ·s-1 )
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 4.36bA | 4.42bA | 4.21bA | 4.08cA | 4.11bcA |
IBA | 5.24abA | 4.90abA | 5.02**abA | 4.85**bA | 4.92abA | |
UB | 5.26abA | 5.15**aA | 5.08**abA | 5.43**abA | 5.44aA | |
TB | 5.31abA | 5.25**aA | 5.41**aA | 5.79**aA | 5.66aA | |
TRP | 4.79bA | 5.09*aA | 4.97**abA | 5.26**abA | 5.55aA | |
干旱胁迫Drought stress | CK | 4.28bA | 3.67cB | 2.90cC | 2.24eD | 3.09cBC |
IBA | 5.21*abA | 4.35*bB | 3.19cC | 2.77deC | 3.21cC | |
UB | 5.32*abA | 5.22**aA | 4.53**bAB | 3.81**cdB | 4.62bAB | |
TB | 5.88**aA | 5.39**aAB | 4.65**bBC | 4.00**cC | 4.53bBC | |
TRP | 4.97bA | 4.43*bB | 3.43cCD | 3.15*dD | 3.64cC |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||
---|---|---|---|---|
07-07 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 2.076bAB | 2.191abA | 1.592abB |
IBA | 2.436abA | 2.263abA | 0.767*bB | |
UB | 2.897**abA | 2.553**aB | 1.336bC | |
TB | 3.204**abA | 2.960**aA | 2.447**abB | |
TRP | 3.684**aA | 2.438**abB | 1.302bC | |
干旱胁迫Drought stress | CK | 1.116bC | 1.360bB | 1.565abA |
IBA | 1.783bB | 2.515aA | 1.505abC | |
UB | 1.952bB | 2.823aA | 2.598aA | |
TB | 2.262abB | 2.602aA | 2.383abAB | |
TRP | 2.393abB | 2.974aA | 2.419abB |
表6 2种水分条件下污泥对草地早熟禾根系色氨酸含量的影响
Table 6 Effects of biosolids on root TRP content of P. pratensis under two water conditions (μg·g-1)
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||
---|---|---|---|---|
07-07 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 2.076bAB | 2.191abA | 1.592abB |
IBA | 2.436abA | 2.263abA | 0.767*bB | |
UB | 2.897**abA | 2.553**aB | 1.336bC | |
TB | 3.204**abA | 2.960**aA | 2.447**abB | |
TRP | 3.684**aA | 2.438**abB | 1.302bC | |
干旱胁迫Drought stress | CK | 1.116bC | 1.360bB | 1.565abA |
IBA | 1.783bB | 2.515aA | 1.505abC | |
UB | 1.952bB | 2.823aA | 2.598aA | |
TB | 2.262abB | 2.602aA | 2.383abAB | |
TRP | 2.393abB | 2.974aA | 2.419abB |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 3.641aA | 3.926aA | 2.465fgB | 1.554eC | 2.240dB |
IBA | 2.109**bcB | 1.662**bcC | 2.849**fA | 1.634deC | 2.178dB | |
UB | 1.644**deC | 1.702**bC | 2.678fgB | 1.047**hD | 3.086cA | |
TB | 2.148**bcB | 1.706**bC | 2.074**gB | 1.236**fD | 2.844cdA | |
TRP | 2.007**cdC | 1.167**eD | 4.538**eA | 1.101**gD | 2.844cdB | |
干旱胁迫Drought stress | CK | 1.920cdC | 1.300dC | 10.019cA | 1.948dC | 4.986abB |
IBA | 1.523**eD | 1.304dD | 6.881**dA | 3.674**bB | 2.519cdC | |
UB | 1.856dD | 1.601**cD | 21.569**aA | 2.475cC | 3.882bB | |
TB | 2.094**cC | 0.875**fD | 12.534**bA | 1.819deC | 5.105aB | |
TRP | 2.323**bC | 1.152**eD | 13.251**bA | 4.994**aB | 4.388bB |
表7 2种水分条件下污泥对草地早熟禾叶片色氨酸含量的影响
Table 7 Effects of biosolids on leaf TRP content of P. pratensis under two water conditions (μg·g-1)
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 3.641aA | 3.926aA | 2.465fgB | 1.554eC | 2.240dB |
IBA | 2.109**bcB | 1.662**bcC | 2.849**fA | 1.634deC | 2.178dB | |
UB | 1.644**deC | 1.702**bC | 2.678fgB | 1.047**hD | 3.086cA | |
TB | 2.148**bcB | 1.706**bC | 2.074**gB | 1.236**fD | 2.844cdA | |
TRP | 2.007**cdC | 1.167**eD | 4.538**eA | 1.101**gD | 2.844cdB | |
干旱胁迫Drought stress | CK | 1.920cdC | 1.300dC | 10.019cA | 1.948dC | 4.986abB |
IBA | 1.523**eD | 1.304dD | 6.881**dA | 3.674**bB | 2.519cdC | |
UB | 1.856dD | 1.601**cD | 21.569**aA | 2.475cC | 3.882bB | |
TB | 2.094**cC | 0.875**fD | 12.534**bA | 1.819deC | 5.105aB | |
TRP | 2.323**bC | 1.152**eD | 13.251**bA | 4.994**aB | 4.388bB |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||
---|---|---|---|---|
07-07 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 0.645bcA | 0.632bA | 0.596bB |
IBA | 0.697bA | 0.668bB | 0.686bA | |
UB | 0.704bA | 0.648bB | 0.625bC | |
TB | 0.716bA | 0.637bC | 0.663bB | |
TRP | 0.727bA | 0.673bB | 0.667bB | |
干旱胁迫Drought stress | CK | 0.561cC | 0.668bA | 0.635bB |
IBA | 0.631bcB | 0.668bB | 0.810**aA | |
UB | 0.709**bAB | 0.748**abA | 0.677bB | |
TB | 0.974**aA | 0.753**aB | 0.672bB | |
TRP | 0.645*bcB | 0.711**abA | 0.648bB |
表8 2种水分条件下污泥对草地早熟禾土壤IAA含量的影响
Table 8 Effects of biosolids on soil IAA content of P. pratensis under two water conditions (μg·g-1)
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||
---|---|---|---|---|
07-07 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 0.645bcA | 0.632bA | 0.596bB |
IBA | 0.697bA | 0.668bB | 0.686bA | |
UB | 0.704bA | 0.648bB | 0.625bC | |
TB | 0.716bA | 0.637bC | 0.663bB | |
TRP | 0.727bA | 0.673bB | 0.667bB | |
干旱胁迫Drought stress | CK | 0.561cC | 0.668bA | 0.635bB |
IBA | 0.631bcB | 0.668bB | 0.810**aA | |
UB | 0.709**bAB | 0.748**abA | 0.677bB | |
TB | 0.974**aA | 0.753**aB | 0.672bB | |
TRP | 0.645*bcB | 0.711**abA | 0.648bB |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||
---|---|---|---|---|
07-07 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 1.330aB | 1.245aB | 1.620abA |
IBA | 1.834aA | 1.151aC | 1.436abB | |
UB | 1.730aA | 1.295aB | 1.167*bC | |
TB | 1.595aA | 1.301aB | 1.659aA | |
TRP | 1.495aA | 1.293aB | 1.466abA | |
干旱胁迫Drought stress | CK | 1.287aA | 1.257aB | 1.069bC |
IBA | 1.589aA | 1.311aB | 1.477abA | |
UB | 1.611aA | 1.307aB | 1.686aA | |
TB | 1.657aB | 1.487aC | 1.756*aA | |
TRP | 1.609aA | 1.337aB | 1.590abA |
表9 2种水分条件下污泥对草地早熟禾根系IAA含量的影响
Table 9 Effects of biosolids on root IAA content of P. pratensis under two water conditions (μg·g-1)
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||
---|---|---|---|---|
07-07 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 1.330aB | 1.245aB | 1.620abA |
IBA | 1.834aA | 1.151aC | 1.436abB | |
UB | 1.730aA | 1.295aB | 1.167*bC | |
TB | 1.595aA | 1.301aB | 1.659aA | |
TRP | 1.495aA | 1.293aB | 1.466abA | |
干旱胁迫Drought stress | CK | 1.287aA | 1.257aB | 1.069bC |
IBA | 1.589aA | 1.311aB | 1.477abA | |
UB | 1.611aA | 1.307aB | 1.686aA | |
TB | 1.657aB | 1.487aC | 1.756*aA | |
TRP | 1.609aA | 1.337aB | 1.590abA |
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 1.384dC | 1.808cA | 1.683cdAB | 1.772aA | 1.594cB |
IBA | 1.432cdC | 1.512**deC | 1.957**bcA | 1.101**cD | 1.759bB | |
UB | 1.270deD | 1.568**dB | 1.598cdB | 1.445**bC | 1.829bA | |
TB | 1.994**aA | 1.317**eC | 1.594cdB | 1.501**abB | 1.549cdB | |
TRP | 1.757**bA | 1.803cA | 1.349**dD | 1.607*abB | 1.481dC | |
干旱胁迫Drought stress | CK | 1.154eD | 1.854cB | 2.306bA | 1.592bC | 2.280aA |
IBA | 1.328deB | 1.571**dA | 1.636*cdA | 1.324**cB | 1.414dAB | |
UB | 1.407*dC | 1.390**eC | 1.833cA | 1.754**aA | 1.606cB | |
TB | 1.483**cdC | 2.367**aB | 3.614**aA | 1.414**cC | 1.624cC | |
TRP | 1.581**cB | 2.002bA | 2.017bcA | 1.406**cB | 1.601cB |
表10 2种水分条件下污泥对草地早熟禾叶片IAA含量的影响
Table 10 Effects of biosolids on leaf IAA content of P. pratensis under two water conditions (μg·g-1)
水分处理 Moisture | 基质处理 Matrixes | 日期Date (月-日Month-day) | ||||
---|---|---|---|---|---|---|
07-07 | 07-14 | 08-03 | 08-11 | 08-19 | ||
充分浇水Sufficient water | CK | 1.384dC | 1.808cA | 1.683cdAB | 1.772aA | 1.594cB |
IBA | 1.432cdC | 1.512**deC | 1.957**bcA | 1.101**cD | 1.759bB | |
UB | 1.270deD | 1.568**dB | 1.598cdB | 1.445**bC | 1.829bA | |
TB | 1.994**aA | 1.317**eC | 1.594cdB | 1.501**abB | 1.549cdB | |
TRP | 1.757**bA | 1.803cA | 1.349**dD | 1.607*abB | 1.481dC | |
干旱胁迫Drought stress | CK | 1.154eD | 1.854cB | 2.306bA | 1.592bC | 2.280aA |
IBA | 1.328deB | 1.571**dA | 1.636*cdA | 1.324**cB | 1.414dAB | |
UB | 1.407*dC | 1.390**eC | 1.833cA | 1.754**aA | 1.606cB | |
TB | 1.483**cdC | 2.367**aB | 3.614**aA | 1.414**cC | 1.624cC | |
TRP | 1.581**cB | 2.002bA | 2.017bcA | 1.406**cB | 1.601cB |
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