Journal of Agricultural Science and Technology ›› 2022, Vol. 24 ›› Issue (3): 84-94.DOI: 10.13304/j.nykjdb.2020.1080
• BIOTECHNOLOGY & LIFE SCIENCE • Previous Articles Next Articles
Jiangyan LI(), Xianhua ZHANG(), Xiaoqiang YUAN
Received:
2020-12-17
Accepted:
2021-03-04
Online:
2022-03-15
Published:
2022-03-14
Contact:
Xianhua ZHANG
通讯作者:
张鲜花
作者简介:
李江艳 E-mail:lijiangyan96@163.com;
基金资助:
CLC Number:
Jiangyan LI, Xianhua ZHANG, Xiaoqiang YUAN. Drought Resistance Index Screening and Drought Resistance Evaluation of Dactylisglomerata Germplasm Resources During Seedling[J]. Journal of Agricultural Science and Technology, 2022, 24(3): 84-94.
李江艳, 张鲜花, 袁小强. 鸭茅种质资源苗期抗旱指标筛选及抗旱评价[J]. 中国农业科技导报, 2022, 24(3): 84-94.
编号 Code | 采集地点(来源) Collection location (source) | 地理位置 Location | 海拔Altitude/m | 备注Remark | |
---|---|---|---|---|---|
YM-7 | 美国俄勒冈 Oregon, USA | 美国俄勒冈 Oregon, USA | 引进栽培种 Imported cultivar | ||
YM-1 | 新疆阿勒泰市 Altay City, Xinjiang | E 87°40′48.7″ | N 48°08′39.3″ | 1 651 | 野生种 Wild species |
YM-2 | 新疆奇台县 Qitai County, Xinjiang | E 89°45′19″ | N 43°03′22″ | 2 200 | 野生种 Wild species |
YM-3 | 新疆乌鲁木齐市 Urumqi, Xinjiang | E 87°03′32″ | N 43°29′20″ | 1 816 | 野生种 Wild species |
YM-4 | 新疆塔城市 Tacheng City, Xinjiang | E 83°00′35.0″ | N 47°06′29.2″ | 1 902 | 野生种 Wild species |
YM-5 | 新疆尼勒克县 Nileke County, Xinjiang | E 87°34′6.23″ | N 43°48′36.2″ | 1 935 | 野生种 Wild species |
YM-6 | 四川农业大学 Sichuan Agricultural University | E 103°14′48″ | N 30°08′21.3″ | 600 | 栽培种 Cultivated species |
Table 1 Material number and origin
编号 Code | 采集地点(来源) Collection location (source) | 地理位置 Location | 海拔Altitude/m | 备注Remark | |
---|---|---|---|---|---|
YM-7 | 美国俄勒冈 Oregon, USA | 美国俄勒冈 Oregon, USA | 引进栽培种 Imported cultivar | ||
YM-1 | 新疆阿勒泰市 Altay City, Xinjiang | E 87°40′48.7″ | N 48°08′39.3″ | 1 651 | 野生种 Wild species |
YM-2 | 新疆奇台县 Qitai County, Xinjiang | E 89°45′19″ | N 43°03′22″ | 2 200 | 野生种 Wild species |
YM-3 | 新疆乌鲁木齐市 Urumqi, Xinjiang | E 87°03′32″ | N 43°29′20″ | 1 816 | 野生种 Wild species |
YM-4 | 新疆塔城市 Tacheng City, Xinjiang | E 83°00′35.0″ | N 47°06′29.2″ | 1 902 | 野生种 Wild species |
YM-5 | 新疆尼勒克县 Nileke County, Xinjiang | E 87°34′6.23″ | N 43°48′36.2″ | 1 935 | 野生种 Wild species |
YM-6 | 四川农业大学 Sichuan Agricultural University | E 103°14′48″ | N 30°08′21.3″ | 600 | 栽培种 Cultivated species |
性状 Trait | 处理 Treatment | YM-1 | YM-2 | YM-3 | YM-4 | YM-5 | YM-6 | YM-7 | 均值 Mean | 变异系数CV/% | 相关系数R2 |
---|---|---|---|---|---|---|---|---|---|---|---|
叶片相对含水量RWC/% | CK | 87.81±0.55 a | 94.22±0.46 a | 89.98±0.82 a | 91.57±0.75 a | 92.06±0.19 a | 93.05±0.54 a | 92.57±0.85 a | 91.61 | 2.32 | — |
MD | 83.77±2.04 a | 87.60±1.29 b | 87.57±0.58 a | 88.31±0.28 b | 88.61±0.09 b | 89.67±0.28 b | 89.00±0.32 b | 87.79 | 2.19 | 0.790** | |
HD | 78.54±0.63 b | 84.16±0.17 c | 83.69±0.79 b | 82.67±0.97 c | 84.72±1.04 c | 86.55±0.66 c | 86.05±1.01 c | 83.77 | 3.18 | 0.816** | |
相对电导率 EL/% | CK | 12.45±0.10 c | 13.52±0.13 c | 10.01±0.52 c | 16.59±0.04 c | 11.51±0.11 c | 13.41±0.10 c | 14.47±0.24 c | 13.14 | 16.09 | — |
MD | 14.37±0.10 b | 17.83±0.45 b | 14.21±0.14 b | 19.99±0.20 b | 17.45±0.23 b | 15.42±0.14 b | 16.46±0.11 b | 16.53 | 12.55 | 0.238 | |
HD | 19.74±0.35 a | 21.02±0.16 a | 20.77±0.18 a | 25.40±0.22 a | 19.45±0.20 a | 18.00±0.29 a | 18.45±0.25 a | 20.40 | 12.08 | -0.116 | |
丙二醛含量 MDA content/(10-3μg·g-1 FW) | CK | 2.45±0.08 c | 2.89±0.03 c | 3.12±0.05 c | 3.27±0.01 c | 3.11±0.03 b | 2.80±0.09 c | 2.74±0.04 c | 2.91 | 9.53 | — |
MD | 3.36±0.08 b | 3.09±0.04 b | 3.40±0.01 b | 4.01±0.05 b | 3.21±0.04 b | 3.21±0.05 b | 3.57±0.08 b | 3.40 | 9.05 | 0.990** | |
HD | 4.18±0.03 a | 3.52±0.07 a | 3.94±0.01 a | 4.75±0.02 a | 4.23±0.04 a | 3.73±0.05 a | 4.78±0.04 a | 4.16 | 11.57 | 0.983** | |
可溶性糖含量 SC content/% | CK | 1.39±0.01 c | 1.60±0.03 c | 1.39±0.04 c | 2.18±0.03 c | 2.28±0.01 c | 1.87±0.02 c | 1.97±0.02 c | 1.81 | 19.90 | — |
MD | 1.64±0.07 b | 1.79±0.02 b | 1.79±0.03 b | 2.59±0.02 b | 2.95±0.01 b | 2.47±0.04 b | 2.74±0.01 b | 2.28 | 23.31 | 1.000** | |
HD | 2.09±0.02 a | 2.39±0.04 a | 2.20±0.05 a | 3.04±0.02 a | 3.84±0.04 a | 2.87±0.06 a | 3.35±0.02 a | 2.82 | 22.77 | 0.999** | |
叶绿素含量 Chl content/ (mg·g-1) | CK | 1.87±0.00 a | 1.39±0.03 a | 1.69±0.03 a | 1.55±0.02 a | 1.88±0.02 a | 1.33±0.01 a | 1.20±0.01 a | 1.56 | 17.17 | — |
MD | 1.59±0.01 b | 1.22±0.01 b | 1.31±0.02 b | 1.34±0.05 b | 1.54±0.06 b | 1.10±0.01 b | 0.99±0.03 b | 1.30 | 16.90 | 1.000** | |
HD | 1.39±0.04 c | 1.08±0.02 c | 1.13±0.01 c | 1.00±0.03 c | 1.35±0.01 c | 0.98±0.01 c | 0.87±0.00 c | 1.12 | 17.36 | 1.000** | |
脯氨酸含量 Pro content/ (μg·g-1) | CK | 158.62±1.09 c | 241.66±7.51 c | 186.18±5.39 c | 121.28±2.24 c | 196.90±3.66 c | 186.95±5.23 c | 175.34±5.31 c | 181.00 | 20.29 | — |
MD | 176.27±2.46 b | 305.69±0.34 b | 215.68±3.78 b | 193.19±1.01 b | 267.43±4.10 b | 232.07±5.90 b | 213.00±3.83 b | 229.05 | 19.41 | 0.970** | |
HD | 247.00±2.03 a | 355.1±1.56 a | 298.44±3.17 a | 266.59±4.34 a | 308.36±2.20 a | 317.16±6.73 a | 309.54±4.15 a | 300.31 | 11.71 | 0.953** | |
可溶性蛋白浓度 SP content/ (mg·g-1) | CK | 12.00±0.14 c | 12.10±0.17 b | 13.04±0.50 c | 15.28±0.04 c | 14.35±0.28 c | 10.40±0.13 c | 12.46±0.11 c | 12.80 | 12.60 | — |
MD | 13.75±0.16 b | 12.64±0.07 b | 14.41±0.22 b | 19.46±0.31 b | 17.35±0.14 b | 16.01±0.41 b | 14.78±0.13 b | 15.49 | 14.98 | 0.663** | |
HD | 18.91±0.37 a | 16.57±0.70 a | 22.21±0.31 a | 20.43±0.25 a | 23.01±0.61 a | 17.64±0.30 a | 18.10±0.23 a | 19.55 | 12.33 | 0.482* | |
超氧化物歧化酶活性 SOD activity/ (U·mg-1 FW·min-1) | CK | 777.72±6.84 a | 536.78±5.84 a | 665.29±7.57 a | 738.29±11.79 a | 587.96±4.19b | 428.61±7.42 b | 671.22±12.56 a | 629.41 | 19.19 | — |
MD | 566.57±5.30 c | 239.80±10.27 c | 529.41±7.52 b | 474.88±10.86 b | 248.70±9.27 c | 354.77±5.86 c | 430.98±5.85 b | 406.44 | 31.98 | 0.885** | |
HD | 628.12±5.04 b | 455.55±11.79 b | 651.99±14.40 a | 727.52±12.26 a | 643.43±6.24 a | 674.32±5.97 a | 650.66±4.27 a | 633.09 | 13.36 | 0.885** | |
过氧化物酶活性 POD activities/ (U·mg-1 FW·min-1) | CK | 143.52±0.87 c | 146.63±1.89 c | 163.57±2.74 c | 199.05±2.36 c | 155.55±3.04 c | 149.02±0.28 c | 152.87±2.87 c | 158.60 | 11.98 | — |
MD | 263.95±2.22 b | 213.75±0.72 b | 224.07±1.10 b | 257.06±0.11 b | 175.92±1.85 b | 159.14±2.43 b | 169.66±1.55 b | 209.08 | 20.20 | 0.884** | |
HD | 305.82±1.09 a | 239.06±2.59 a | 237.31±0.90 a | 275.06±2.44 a | 241.00±2.35 a | 203.58±2.11 a | 196.82±2.22 a | 242.66 | 15.70 | 0.899** | |
过氧化氢酶活性CAT activities/ (U·mg-1 FW·min-1) | CK | 3.44±0.15 c | 3.42±0.17 c | 4.50±0.13 c | 6.31±0.13 b | 4.57±0.17 c | 5.71±0.14 c | 4.49±0.09 c | 4.63 | 23.15 | — |
MD | 263.95±2.22 b | 213.75±0.72 b | 224.07±1.10 b | 257.06±0.11 b | 175.92±1.85 b | 159.14±2.43 b | 169.66±1.55 b | 5.90 | 7.94 | 0.872** | |
HD | 6.75±0.10 a | 7.36±0.17 a | 8.23±0.14 a | 7.71±0.14 a | 8.67±0.12 a | 7.33±0.14 a | 6.25±0.17 a | 7.47 | 11.09 | 0.868** |
Table 2 Analysis of the mean value and difference analysis of the measured values of each germplasm under drought stress
性状 Trait | 处理 Treatment | YM-1 | YM-2 | YM-3 | YM-4 | YM-5 | YM-6 | YM-7 | 均值 Mean | 变异系数CV/% | 相关系数R2 |
---|---|---|---|---|---|---|---|---|---|---|---|
叶片相对含水量RWC/% | CK | 87.81±0.55 a | 94.22±0.46 a | 89.98±0.82 a | 91.57±0.75 a | 92.06±0.19 a | 93.05±0.54 a | 92.57±0.85 a | 91.61 | 2.32 | — |
MD | 83.77±2.04 a | 87.60±1.29 b | 87.57±0.58 a | 88.31±0.28 b | 88.61±0.09 b | 89.67±0.28 b | 89.00±0.32 b | 87.79 | 2.19 | 0.790** | |
HD | 78.54±0.63 b | 84.16±0.17 c | 83.69±0.79 b | 82.67±0.97 c | 84.72±1.04 c | 86.55±0.66 c | 86.05±1.01 c | 83.77 | 3.18 | 0.816** | |
相对电导率 EL/% | CK | 12.45±0.10 c | 13.52±0.13 c | 10.01±0.52 c | 16.59±0.04 c | 11.51±0.11 c | 13.41±0.10 c | 14.47±0.24 c | 13.14 | 16.09 | — |
MD | 14.37±0.10 b | 17.83±0.45 b | 14.21±0.14 b | 19.99±0.20 b | 17.45±0.23 b | 15.42±0.14 b | 16.46±0.11 b | 16.53 | 12.55 | 0.238 | |
HD | 19.74±0.35 a | 21.02±0.16 a | 20.77±0.18 a | 25.40±0.22 a | 19.45±0.20 a | 18.00±0.29 a | 18.45±0.25 a | 20.40 | 12.08 | -0.116 | |
丙二醛含量 MDA content/(10-3μg·g-1 FW) | CK | 2.45±0.08 c | 2.89±0.03 c | 3.12±0.05 c | 3.27±0.01 c | 3.11±0.03 b | 2.80±0.09 c | 2.74±0.04 c | 2.91 | 9.53 | — |
MD | 3.36±0.08 b | 3.09±0.04 b | 3.40±0.01 b | 4.01±0.05 b | 3.21±0.04 b | 3.21±0.05 b | 3.57±0.08 b | 3.40 | 9.05 | 0.990** | |
HD | 4.18±0.03 a | 3.52±0.07 a | 3.94±0.01 a | 4.75±0.02 a | 4.23±0.04 a | 3.73±0.05 a | 4.78±0.04 a | 4.16 | 11.57 | 0.983** | |
可溶性糖含量 SC content/% | CK | 1.39±0.01 c | 1.60±0.03 c | 1.39±0.04 c | 2.18±0.03 c | 2.28±0.01 c | 1.87±0.02 c | 1.97±0.02 c | 1.81 | 19.90 | — |
MD | 1.64±0.07 b | 1.79±0.02 b | 1.79±0.03 b | 2.59±0.02 b | 2.95±0.01 b | 2.47±0.04 b | 2.74±0.01 b | 2.28 | 23.31 | 1.000** | |
HD | 2.09±0.02 a | 2.39±0.04 a | 2.20±0.05 a | 3.04±0.02 a | 3.84±0.04 a | 2.87±0.06 a | 3.35±0.02 a | 2.82 | 22.77 | 0.999** | |
叶绿素含量 Chl content/ (mg·g-1) | CK | 1.87±0.00 a | 1.39±0.03 a | 1.69±0.03 a | 1.55±0.02 a | 1.88±0.02 a | 1.33±0.01 a | 1.20±0.01 a | 1.56 | 17.17 | — |
MD | 1.59±0.01 b | 1.22±0.01 b | 1.31±0.02 b | 1.34±0.05 b | 1.54±0.06 b | 1.10±0.01 b | 0.99±0.03 b | 1.30 | 16.90 | 1.000** | |
HD | 1.39±0.04 c | 1.08±0.02 c | 1.13±0.01 c | 1.00±0.03 c | 1.35±0.01 c | 0.98±0.01 c | 0.87±0.00 c | 1.12 | 17.36 | 1.000** | |
脯氨酸含量 Pro content/ (μg·g-1) | CK | 158.62±1.09 c | 241.66±7.51 c | 186.18±5.39 c | 121.28±2.24 c | 196.90±3.66 c | 186.95±5.23 c | 175.34±5.31 c | 181.00 | 20.29 | — |
MD | 176.27±2.46 b | 305.69±0.34 b | 215.68±3.78 b | 193.19±1.01 b | 267.43±4.10 b | 232.07±5.90 b | 213.00±3.83 b | 229.05 | 19.41 | 0.970** | |
HD | 247.00±2.03 a | 355.1±1.56 a | 298.44±3.17 a | 266.59±4.34 a | 308.36±2.20 a | 317.16±6.73 a | 309.54±4.15 a | 300.31 | 11.71 | 0.953** | |
可溶性蛋白浓度 SP content/ (mg·g-1) | CK | 12.00±0.14 c | 12.10±0.17 b | 13.04±0.50 c | 15.28±0.04 c | 14.35±0.28 c | 10.40±0.13 c | 12.46±0.11 c | 12.80 | 12.60 | — |
MD | 13.75±0.16 b | 12.64±0.07 b | 14.41±0.22 b | 19.46±0.31 b | 17.35±0.14 b | 16.01±0.41 b | 14.78±0.13 b | 15.49 | 14.98 | 0.663** | |
HD | 18.91±0.37 a | 16.57±0.70 a | 22.21±0.31 a | 20.43±0.25 a | 23.01±0.61 a | 17.64±0.30 a | 18.10±0.23 a | 19.55 | 12.33 | 0.482* | |
超氧化物歧化酶活性 SOD activity/ (U·mg-1 FW·min-1) | CK | 777.72±6.84 a | 536.78±5.84 a | 665.29±7.57 a | 738.29±11.79 a | 587.96±4.19b | 428.61±7.42 b | 671.22±12.56 a | 629.41 | 19.19 | — |
MD | 566.57±5.30 c | 239.80±10.27 c | 529.41±7.52 b | 474.88±10.86 b | 248.70±9.27 c | 354.77±5.86 c | 430.98±5.85 b | 406.44 | 31.98 | 0.885** | |
HD | 628.12±5.04 b | 455.55±11.79 b | 651.99±14.40 a | 727.52±12.26 a | 643.43±6.24 a | 674.32±5.97 a | 650.66±4.27 a | 633.09 | 13.36 | 0.885** | |
过氧化物酶活性 POD activities/ (U·mg-1 FW·min-1) | CK | 143.52±0.87 c | 146.63±1.89 c | 163.57±2.74 c | 199.05±2.36 c | 155.55±3.04 c | 149.02±0.28 c | 152.87±2.87 c | 158.60 | 11.98 | — |
MD | 263.95±2.22 b | 213.75±0.72 b | 224.07±1.10 b | 257.06±0.11 b | 175.92±1.85 b | 159.14±2.43 b | 169.66±1.55 b | 209.08 | 20.20 | 0.884** | |
HD | 305.82±1.09 a | 239.06±2.59 a | 237.31±0.90 a | 275.06±2.44 a | 241.00±2.35 a | 203.58±2.11 a | 196.82±2.22 a | 242.66 | 15.70 | 0.899** | |
过氧化氢酶活性CAT activities/ (U·mg-1 FW·min-1) | CK | 3.44±0.15 c | 3.42±0.17 c | 4.50±0.13 c | 6.31±0.13 b | 4.57±0.17 c | 5.71±0.14 c | 4.49±0.09 c | 4.63 | 23.15 | — |
MD | 263.95±2.22 b | 213.75±0.72 b | 224.07±1.10 b | 257.06±0.11 b | 175.92±1.85 b | 159.14±2.43 b | 169.66±1.55 b | 5.90 | 7.94 | 0.872** | |
HD | 6.75±0.10 a | 7.36±0.17 a | 8.23±0.14 a | 7.71±0.14 a | 8.67±0.12 a | 7.33±0.14 a | 6.25±0.17 a | 7.47 | 11.09 | 0.868** |
性状 Trait | 处理 Treatment | YM-1 | YM-2 | YM-3 | YM-4 | YM-5 | YM-6 | YM-7 | 均值 Mean | 变异系数CV/% |
---|---|---|---|---|---|---|---|---|---|---|
叶片相对含水量 RWC | MD | 0.95±0.02 a | 0.93±0.02 a | 0.97±0.01 a | 0.96±0.01 a | 0.96±0.00 a | 0.96±0.01 a | 0.96±0.01 a | 0.96 | 1.44 |
HD | 0.89±0.01 a | 0.89±0.01 a | 0.93±0.01 a | 0.90±0.02 a | 0.92±0.01 a | 0.93±0.00 a | 0.93±0.02 a | 0.91 | 1.86 | |
电导率 EL | MD | 1.15±0.01 d | 1.32±0.05 bc | 1.43±0.09 ab | 1.21±0.01 cd | 1.52±0.03 a | 1.15±0.02 d | 1.14±0.03 d | 1.27 | 11.76 |
HD | 1.58±0.04 b | 1.55±0.03 b | 2.09±0.12 a | 1.53±0.01 b | 1.69±0.03 b | 1.34±0.02 c | 1.27±0.01 c | 1.58 | 16.53 | |
丙二醛含量 MDA content | MD | 1.37±0.03 a | 1.07±0.01 d | 1.09±0.02 cd | 1.23±0.02 b | 1.04±0.02 d | 1.15±0.05 c | 1.3±0.01 a | 1.17 | 10.70 |
HD | 1.71±0.05 a | 1.22±0.03 e | 1.26±0.02 de | 1.45±0.01 b | 1.36±0.03 c | 1.33±0.05 cd | 1.74±0.01 a | 1.44 | 14.55 | |
可溶性糖含量 SC content | MD | 1.17±0.05 c | 1.12±0.02 c | 1.28±0.01 b | 1.19±0.02 c | 1.29±0.00 b | 1.33±0.03 ab | 1.40±0.01 a | 1.25 | 7.8 |
HD | 1.50±0.01 b | 1.49±0.02 b | 1.58±0.01 b | 1.39±0.03 c | 1.68±0.02 a | 1.53±0.05 b | 1.71±0.02 a | 1.56 | 7.12 | |
叶绿素含量 Chl content | MD | 0.85±0.01 ab | 0.88±0.02 a | 0.78±0.02 b | 0.86±0.05 ab | 0.82±0.03 ab | 0.83±0.01 ab | 0.83±0.03 ab | 0.83 | 3.95 |
HD | 0.74±0.02 ab | 0.78±0.0 a | 0.67±0.01 c | 0.64±0.02 c | 0.72±0.01 b | 0.74±0.01 ab | 0.73±0.01 b | 0.72 | 6.36 | |
脯氨酸含量 Pro content | MD | 1.11±0.01 d | 1.27±0.04 bc | 1.16±0.05 cd | 1.59±0.04 a | 1.36±0.03 b | 1.24±0.04 bc | 1.22±0.05 cd | 1.28 | 12.51 |
HD | 1.56±0.01 cd | 1.47±0.04 d | 1.61±0.03 cd | 2.20±0.04 a | 1.57±0.03 cd | 1.70±0.08 bc | 1.77±0.07 b | 1.69 | 14.32 | |
可溶性蛋白浓度 SP content | MD | 1.15±0.02 cd | 1.04±0.01 e | 1.11±0.03 d | 1.27±0.02 b | 1.21±0.03 c | 1.54±0.02 a | 1.19±0.00 c | 1.22 | 13.23 |
HD | 1.58±0.04 b | 1.37±0.04 c | 1.71±0.07 a | 1.34±0.02 c | 1.60±0.04 ab | 1.69±0.02 ab | 1.45±0.02 c | 1.53 | 9.73 | |
超氧化物歧化酶活性 SOD activity | MD | 0.73±0.01 b | 0.45±0.01 d | 0.80±0.02 a | 0.64±0.00 c | 0.42±0.01 a | 0.83±0.02 d | 0.64±0.00 c | 0.64 | 24.70 |
HD | 0.81±0.01 d | 0.85±0.03 d | 0.98±0.03 c | 0.99±0.03 c | 1.09±0.00 b | 1.57±0.03 a | 0.97±0.02 c | 1.04 | 24.57 | |
过氧化物酶活性 POD activity | MD | 1.84±0.01 a | 1.46±0.01 b | 1.37±0.02 c | 1.29±0.02 d | 1.13±0.02 e | 1.07±0.01 f | 1.11±0.02 ef | 1.32 | 20.34 |
HD | 2.13±0.02 a | 1.63±0.01 b | 1.45±0.03 d | 1.38±0.01 e | 1.55±0.03 c | 1.37±0.02 e | 1.29±0.02 f | 1.54 | 18.42 | |
过氧化氢酶活性 CAT activity | MD | 1.72±0.09 a | 1.87±0.10 a | 1.18±0.01 b | 1.03±0.03 b | 1.22±0.08 b | 1.09±0.04 b | 1.22±0.04 b | 1.33 | 24.35 |
HD | 1.97±0.10 b | 2.16±0.09 a | 1.83±0.05 b | 1.22±0.04 c | 1.90±0.06 b | 1.28±0.01 c | 1.39±0.02 c | 1.68 | 22.06 |
Table 3 Drought resistance coefficient of different index in 7 tested germplasm
性状 Trait | 处理 Treatment | YM-1 | YM-2 | YM-3 | YM-4 | YM-5 | YM-6 | YM-7 | 均值 Mean | 变异系数CV/% |
---|---|---|---|---|---|---|---|---|---|---|
叶片相对含水量 RWC | MD | 0.95±0.02 a | 0.93±0.02 a | 0.97±0.01 a | 0.96±0.01 a | 0.96±0.00 a | 0.96±0.01 a | 0.96±0.01 a | 0.96 | 1.44 |
HD | 0.89±0.01 a | 0.89±0.01 a | 0.93±0.01 a | 0.90±0.02 a | 0.92±0.01 a | 0.93±0.00 a | 0.93±0.02 a | 0.91 | 1.86 | |
电导率 EL | MD | 1.15±0.01 d | 1.32±0.05 bc | 1.43±0.09 ab | 1.21±0.01 cd | 1.52±0.03 a | 1.15±0.02 d | 1.14±0.03 d | 1.27 | 11.76 |
HD | 1.58±0.04 b | 1.55±0.03 b | 2.09±0.12 a | 1.53±0.01 b | 1.69±0.03 b | 1.34±0.02 c | 1.27±0.01 c | 1.58 | 16.53 | |
丙二醛含量 MDA content | MD | 1.37±0.03 a | 1.07±0.01 d | 1.09±0.02 cd | 1.23±0.02 b | 1.04±0.02 d | 1.15±0.05 c | 1.3±0.01 a | 1.17 | 10.70 |
HD | 1.71±0.05 a | 1.22±0.03 e | 1.26±0.02 de | 1.45±0.01 b | 1.36±0.03 c | 1.33±0.05 cd | 1.74±0.01 a | 1.44 | 14.55 | |
可溶性糖含量 SC content | MD | 1.17±0.05 c | 1.12±0.02 c | 1.28±0.01 b | 1.19±0.02 c | 1.29±0.00 b | 1.33±0.03 ab | 1.40±0.01 a | 1.25 | 7.8 |
HD | 1.50±0.01 b | 1.49±0.02 b | 1.58±0.01 b | 1.39±0.03 c | 1.68±0.02 a | 1.53±0.05 b | 1.71±0.02 a | 1.56 | 7.12 | |
叶绿素含量 Chl content | MD | 0.85±0.01 ab | 0.88±0.02 a | 0.78±0.02 b | 0.86±0.05 ab | 0.82±0.03 ab | 0.83±0.01 ab | 0.83±0.03 ab | 0.83 | 3.95 |
HD | 0.74±0.02 ab | 0.78±0.0 a | 0.67±0.01 c | 0.64±0.02 c | 0.72±0.01 b | 0.74±0.01 ab | 0.73±0.01 b | 0.72 | 6.36 | |
脯氨酸含量 Pro content | MD | 1.11±0.01 d | 1.27±0.04 bc | 1.16±0.05 cd | 1.59±0.04 a | 1.36±0.03 b | 1.24±0.04 bc | 1.22±0.05 cd | 1.28 | 12.51 |
HD | 1.56±0.01 cd | 1.47±0.04 d | 1.61±0.03 cd | 2.20±0.04 a | 1.57±0.03 cd | 1.70±0.08 bc | 1.77±0.07 b | 1.69 | 14.32 | |
可溶性蛋白浓度 SP content | MD | 1.15±0.02 cd | 1.04±0.01 e | 1.11±0.03 d | 1.27±0.02 b | 1.21±0.03 c | 1.54±0.02 a | 1.19±0.00 c | 1.22 | 13.23 |
HD | 1.58±0.04 b | 1.37±0.04 c | 1.71±0.07 a | 1.34±0.02 c | 1.60±0.04 ab | 1.69±0.02 ab | 1.45±0.02 c | 1.53 | 9.73 | |
超氧化物歧化酶活性 SOD activity | MD | 0.73±0.01 b | 0.45±0.01 d | 0.80±0.02 a | 0.64±0.00 c | 0.42±0.01 a | 0.83±0.02 d | 0.64±0.00 c | 0.64 | 24.70 |
HD | 0.81±0.01 d | 0.85±0.03 d | 0.98±0.03 c | 0.99±0.03 c | 1.09±0.00 b | 1.57±0.03 a | 0.97±0.02 c | 1.04 | 24.57 | |
过氧化物酶活性 POD activity | MD | 1.84±0.01 a | 1.46±0.01 b | 1.37±0.02 c | 1.29±0.02 d | 1.13±0.02 e | 1.07±0.01 f | 1.11±0.02 ef | 1.32 | 20.34 |
HD | 2.13±0.02 a | 1.63±0.01 b | 1.45±0.03 d | 1.38±0.01 e | 1.55±0.03 c | 1.37±0.02 e | 1.29±0.02 f | 1.54 | 18.42 | |
过氧化氢酶活性 CAT activity | MD | 1.72±0.09 a | 1.87±0.10 a | 1.18±0.01 b | 1.03±0.03 b | 1.22±0.08 b | 1.09±0.04 b | 1.22±0.04 b | 1.33 | 24.35 |
HD | 1.97±0.10 b | 2.16±0.09 a | 1.83±0.05 b | 1.22±0.04 c | 1.90±0.06 b | 1.28±0.01 c | 1.39±0.02 c | 1.68 | 22.06 |
性状 Trait | 叶片相对 含水量 RWC | 相对电导率 EL | 丙二醛含量 MDA content | 可溶性糖 含量 SC content | 叶绿素含量 Chl content | 脯氨酸含量 Pro content | 可溶性 蛋白浓度 SP content | 超氧化物 歧化酶活性 SOD activity | 过氧化物 酶活性 POD activity | 过氧化氢 酶活性 CAT activity |
---|---|---|---|---|---|---|---|---|---|---|
相对含水量RWC | 0.040 | -0.053 | 0.655 | -0.251 | 0.024 | 0.612 | 0.615 | -0.682 | -0.458 | |
相对电导率EL | 0.076 | -0.479 | -0.042 | -0.407 | -0.266 | 0.392 | -0.307 | 0.189 | 0.502 | |
丙二醛含量 MDA content | 0.083 | -0.807* | 0.233 | 0.034 | 0.224 | -0.177 | -0.291 | 0.258 | -0.269 | |
可溶性糖含量 SC content | 0.648 | -0.072 | 0.053 | 0.232 | -0.414 | 0.374 | 0.104 | -0.255 | 0.093 | |
叶绿素含量 Chl content | -0.760* | -0.420 | 0.279 | -0.665 | -0.744 | 0.014 | -0.001 | 0.393 | 0.509 | |
脯氨酸含量 Pro content | 0.087 | 0.090 | -0.186 | -0.195 | 0.371 | -0.449 | 0.113 | -0.465 | -0.814* | |
可溶性蛋白浓度 SP content | 0.411 | -0.395 | 0.039 | 0.427 | -0.077 | 0.226 | 0.518 | 0.072 | 0.069 | |
超氧化物歧化酶活性 SOD activity | 0.574 | -0.509 | 0.410 | 0.309 | -0.428 | -0.356 | 0.469 | -0.495 | -0.565 | |
过氧化物酶活性 POD activity | -0.374 | -0.134 | 0.425 | -0.708 | 0.332 | -0.371 | -0.544 | 0.079 | 0.653 | |
过氧化氢酶活性 CAT activity | -0.855* | -0.015 | 0.097 | -0.661 | 0.525 | -0.451 | -0.621 | -0.374 | 0.729 |
Table 4 Correlation analysis of different traits under drought resistance
性状 Trait | 叶片相对 含水量 RWC | 相对电导率 EL | 丙二醛含量 MDA content | 可溶性糖 含量 SC content | 叶绿素含量 Chl content | 脯氨酸含量 Pro content | 可溶性 蛋白浓度 SP content | 超氧化物 歧化酶活性 SOD activity | 过氧化物 酶活性 POD activity | 过氧化氢 酶活性 CAT activity |
---|---|---|---|---|---|---|---|---|---|---|
相对含水量RWC | 0.040 | -0.053 | 0.655 | -0.251 | 0.024 | 0.612 | 0.615 | -0.682 | -0.458 | |
相对电导率EL | 0.076 | -0.479 | -0.042 | -0.407 | -0.266 | 0.392 | -0.307 | 0.189 | 0.502 | |
丙二醛含量 MDA content | 0.083 | -0.807* | 0.233 | 0.034 | 0.224 | -0.177 | -0.291 | 0.258 | -0.269 | |
可溶性糖含量 SC content | 0.648 | -0.072 | 0.053 | 0.232 | -0.414 | 0.374 | 0.104 | -0.255 | 0.093 | |
叶绿素含量 Chl content | -0.760* | -0.420 | 0.279 | -0.665 | -0.744 | 0.014 | -0.001 | 0.393 | 0.509 | |
脯氨酸含量 Pro content | 0.087 | 0.090 | -0.186 | -0.195 | 0.371 | -0.449 | 0.113 | -0.465 | -0.814* | |
可溶性蛋白浓度 SP content | 0.411 | -0.395 | 0.039 | 0.427 | -0.077 | 0.226 | 0.518 | 0.072 | 0.069 | |
超氧化物歧化酶活性 SOD activity | 0.574 | -0.509 | 0.410 | 0.309 | -0.428 | -0.356 | 0.469 | -0.495 | -0.565 | |
过氧化物酶活性 POD activity | -0.374 | -0.134 | 0.425 | -0.708 | 0.332 | -0.371 | -0.544 | 0.079 | 0.653 | |
过氧化氢酶活性 CAT activity | -0.855* | -0.015 | 0.097 | -0.661 | 0.525 | -0.451 | -0.621 | -0.374 | 0.729 |
处理Treatment | 标指 Index | 因子载荷 Factor loading | ||||
---|---|---|---|---|---|---|
F1 | F2 | F3 | F4 | F5 | ||
MD | 过氧化氢酶活性CAT activity | -0.928 | 0.107 | -0.263 | -0.223 | -0.076 |
叶片相对含水量RWC | 0.881 | 0.080 | -0.176 | 0.401 | 0.119 | |
可溶性糖含量SC content | 0.838 | 0.047 | -0.159 | -0.411 | 0.315 | |
过氧化物酶活性POD activity | -0.720 | 0.423 | -0.348 | 0.398 | -0.069 | |
叶绿素含量Chl content | -0.716 | 0.176 | 0.671 | -0.074 | 0.006 | |
可溶性蛋白浓度SP content | 0.652 | 0.245 | 0.488 | -0.177 | -0.434 | |
丙二醛含量MDA content | -0.081 | 0.888 | 0.098 | 0.100 | 0.418 | |
电导率 EL | -0.010 | -0.888 | -0.390 | 0.190 | -0.039 | |
超氧化物歧化酶活性SOD activity | 0.520 | 0.697 | -0.232 | 0.196 | -0.346 | |
脯氨酸含量Pro content | 0.101 | -0.386 | 0.810 | 0.409 | 0.121 | |
特征根Characteristic root | 4.083 | 2.501 | 1.805 | 0.826 | 0.622 | |
贡献率Contribution rate/% | 40.834 | 25.009 | 18.053 | 8.257 | 6.222 | |
累计贡献率Cumulative contribution rate/% | 40.834 | 65.843 | 83.896 | 92.153 | 98.375 | |
因子权重Factor weight | 0.415 | 0.254 | 0.184 | 0.084 | 0.063 | |
HD | 过氧化氢酶活性CAT activity | 0.927 | 0.290 | -0.137 | 0.025 | -0.185 |
叶片相对含水量RWC | 0.842 | -0.102 | 0.074 | 0.089 | 0.510 | |
可溶性糖含量SC content | -0.708 | 0.659 | 0.039 | 0.220 | -0.064 | |
过氧化物酶活性POD activity | -0.668 | 0.430 | 0.099 | -0.521 | 0.274 | |
叶绿素含量Chl content | -0.109 | 0.841 | -0.147 | 0.069 | 0.504 | |
可溶性蛋白浓度SP content | -0.680 | -0.697 | -0.175 | 0.098 | 0.066 | |
丙二醛含量MDA content | -0.131 | 0.666 | 0.436 | 0.466 | -0.325 | |
电导率 EL | 0.307 | 0.333 | -0.836 | 0.310 | 0.002 | |
超氧化物歧化酶活性SOD activity | 0.552 | 0.289 | 0.655 | -0.410 | -0.093 | |
脯氨酸含量Pro content | -0.038 | -0.339 | 0.649 | 0.602 | 0.311 | |
特征根Characteristic root | 3.406 | 2.660 | 1.826 | 1.186 | 0.843 | |
贡献率Contribution rate/% | 34.056 | 26.604 | 18.263 | 11.863 | 8.428 | |
累计贡献率Cumulative contribution rate/% | 34.056 | 60.660 | 78.923 | 90.786 | 99.213 | |
因子权重Factor weight | 0.343 | 0.268 | 0.184 | 0.120 | 0.085 |
Table 5 Feature vector and contribution rate of principal component analysis under mild drought stress
处理Treatment | 标指 Index | 因子载荷 Factor loading | ||||
---|---|---|---|---|---|---|
F1 | F2 | F3 | F4 | F5 | ||
MD | 过氧化氢酶活性CAT activity | -0.928 | 0.107 | -0.263 | -0.223 | -0.076 |
叶片相对含水量RWC | 0.881 | 0.080 | -0.176 | 0.401 | 0.119 | |
可溶性糖含量SC content | 0.838 | 0.047 | -0.159 | -0.411 | 0.315 | |
过氧化物酶活性POD activity | -0.720 | 0.423 | -0.348 | 0.398 | -0.069 | |
叶绿素含量Chl content | -0.716 | 0.176 | 0.671 | -0.074 | 0.006 | |
可溶性蛋白浓度SP content | 0.652 | 0.245 | 0.488 | -0.177 | -0.434 | |
丙二醛含量MDA content | -0.081 | 0.888 | 0.098 | 0.100 | 0.418 | |
电导率 EL | -0.010 | -0.888 | -0.390 | 0.190 | -0.039 | |
超氧化物歧化酶活性SOD activity | 0.520 | 0.697 | -0.232 | 0.196 | -0.346 | |
脯氨酸含量Pro content | 0.101 | -0.386 | 0.810 | 0.409 | 0.121 | |
特征根Characteristic root | 4.083 | 2.501 | 1.805 | 0.826 | 0.622 | |
贡献率Contribution rate/% | 40.834 | 25.009 | 18.053 | 8.257 | 6.222 | |
累计贡献率Cumulative contribution rate/% | 40.834 | 65.843 | 83.896 | 92.153 | 98.375 | |
因子权重Factor weight | 0.415 | 0.254 | 0.184 | 0.084 | 0.063 | |
HD | 过氧化氢酶活性CAT activity | 0.927 | 0.290 | -0.137 | 0.025 | -0.185 |
叶片相对含水量RWC | 0.842 | -0.102 | 0.074 | 0.089 | 0.510 | |
可溶性糖含量SC content | -0.708 | 0.659 | 0.039 | 0.220 | -0.064 | |
过氧化物酶活性POD activity | -0.668 | 0.430 | 0.099 | -0.521 | 0.274 | |
叶绿素含量Chl content | -0.109 | 0.841 | -0.147 | 0.069 | 0.504 | |
可溶性蛋白浓度SP content | -0.680 | -0.697 | -0.175 | 0.098 | 0.066 | |
丙二醛含量MDA content | -0.131 | 0.666 | 0.436 | 0.466 | -0.325 | |
电导率 EL | 0.307 | 0.333 | -0.836 | 0.310 | 0.002 | |
超氧化物歧化酶活性SOD activity | 0.552 | 0.289 | 0.655 | -0.410 | -0.093 | |
脯氨酸含量Pro content | -0.038 | -0.339 | 0.649 | 0.602 | 0.311 | |
特征根Characteristic root | 3.406 | 2.660 | 1.826 | 1.186 | 0.843 | |
贡献率Contribution rate/% | 34.056 | 26.604 | 18.263 | 11.863 | 8.428 | |
累计贡献率Cumulative contribution rate/% | 34.056 | 60.660 | 78.923 | 90.786 | 99.213 | |
因子权重Factor weight | 0.343 | 0.268 | 0.184 | 0.120 | 0.085 |
处理 Treatment | 编号 Code | 隶属函数 Subordinate function value | CDC | D | WDC | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
μ1 | μ2 | μ3 | μ4 | μ5 | 值 Value | 排序 Rank | 值 Value | 排序 Rank | 值 Value | 排序 Rank | |||||
MD | YM-1 | 0.527 | 0.995 | 1.000 | 0.010 | 0.173 | 0.541 | 2 | 0.667 | 2 | 1.208 | 1 | |||
YM-2 | 0.000 | 0.211 | 0.731 | 0.209 | 0.182 | 0.267 | 7 | 0.217 | 7 | 1.134 | 2 | ||||
YM-3 | 1.000 | 0.153 | 0.734 | 0.000 | 0.165 | 0.410 | 4 | 0.599 | 3 | 1.109 | 4 | ||||
YM-4 | 0.653 | 0.722 | 0.743 | 1.000 | 0.344 | 0.693 | 1 | 0.697 | 1 | 1.115 | 3 | ||||
YM-5 | 0.566 | 0.000 | 0.307 | 0.459 | 0.032 | 0.273 | 6 | 0.332 | 6 | 1.082 | 7 | ||||
YM-6 | 0.535 | 0.481 | 0.356 | 0.138 | 1.000 | 0.502 | 3 | 0.484 | 5 | 1.108 | 5 | ||||
YM-7 | 0.535 | 1.000 | 0.000 | 0.166 | 0.000 | 0.340 | 5 | 0.490 | 4 | 1.092 | 6 | ||||
HD | YM-1 | 0.870 | 0.000 | 0.501 | 0.496 | 1.000 | 0.573 | 2 | 0.535 | 4 | 1.445 | 1 | |||
YM-2 | 1.000 | 0.243 | 0.270 | 0.000 | 0.000 | 0.303 | 6 | 0.458 | 5 | 1.339 | 5 | ||||
YM-3 | 0.528 | 0.616 | 1.000 | 0.583 | 0.252 | 0.596 | 1 | 0.621 | 2 | 1.413 | 2 | ||||
YM-4 | 0.000 | 0.076 | 0.400 | 0.158 | 0.368 | 0.200 | 7 | 0.144 | 7 | 1.307 | 7 | ||||
YM-5 | 0.759 | 0.709 | 0.536 | 0.457 | 0.355 | 0.563 | 3 | 0.634 | 1 | 1.410 | 3 | ||||
YM-6 | 0.554 | 0.350 | 0.000 | 1.000 | 0.198 | 0.420 | 5 | 0.420 | 6 | 1.348 | 4 | ||||
YM-7 | 0.502 | 1.000 | 0.114 | 0.187 | 0.743 | 0.509 | 4 | 0.547 | 3 | 1.330 | 6 |
Table 6 Drought resistance evaluation of tested germplasm under different drought stress
处理 Treatment | 编号 Code | 隶属函数 Subordinate function value | CDC | D | WDC | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
μ1 | μ2 | μ3 | μ4 | μ5 | 值 Value | 排序 Rank | 值 Value | 排序 Rank | 值 Value | 排序 Rank | |||||
MD | YM-1 | 0.527 | 0.995 | 1.000 | 0.010 | 0.173 | 0.541 | 2 | 0.667 | 2 | 1.208 | 1 | |||
YM-2 | 0.000 | 0.211 | 0.731 | 0.209 | 0.182 | 0.267 | 7 | 0.217 | 7 | 1.134 | 2 | ||||
YM-3 | 1.000 | 0.153 | 0.734 | 0.000 | 0.165 | 0.410 | 4 | 0.599 | 3 | 1.109 | 4 | ||||
YM-4 | 0.653 | 0.722 | 0.743 | 1.000 | 0.344 | 0.693 | 1 | 0.697 | 1 | 1.115 | 3 | ||||
YM-5 | 0.566 | 0.000 | 0.307 | 0.459 | 0.032 | 0.273 | 6 | 0.332 | 6 | 1.082 | 7 | ||||
YM-6 | 0.535 | 0.481 | 0.356 | 0.138 | 1.000 | 0.502 | 3 | 0.484 | 5 | 1.108 | 5 | ||||
YM-7 | 0.535 | 1.000 | 0.000 | 0.166 | 0.000 | 0.340 | 5 | 0.490 | 4 | 1.092 | 6 | ||||
HD | YM-1 | 0.870 | 0.000 | 0.501 | 0.496 | 1.000 | 0.573 | 2 | 0.535 | 4 | 1.445 | 1 | |||
YM-2 | 1.000 | 0.243 | 0.270 | 0.000 | 0.000 | 0.303 | 6 | 0.458 | 5 | 1.339 | 5 | ||||
YM-3 | 0.528 | 0.616 | 1.000 | 0.583 | 0.252 | 0.596 | 1 | 0.621 | 2 | 1.413 | 2 | ||||
YM-4 | 0.000 | 0.076 | 0.400 | 0.158 | 0.368 | 0.200 | 7 | 0.144 | 7 | 1.307 | 7 | ||||
YM-5 | 0.759 | 0.709 | 0.536 | 0.457 | 0.355 | 0.563 | 3 | 0.634 | 1 | 1.410 | 3 | ||||
YM-6 | 0.554 | 0.350 | 0.000 | 1.000 | 0.198 | 0.420 | 5 | 0.420 | 6 | 1.348 | 4 | ||||
YM-7 | 0.502 | 1.000 | 0.114 | 0.187 | 0.743 | 0.509 | 4 | 0.547 | 3 | 1.330 | 6 |
处理Treatment | 指标 Index | 关联度 Correlation degree(λD) | 关联度 Correlation degree(λWDC) | |||||
---|---|---|---|---|---|---|---|---|
值 Value | 排序 Rank | 加权抗旱系数 WDC | 值 Value | 排序 Rank | 加权抗旱系数 WDC | |||
MD | 叶片相对含水量RWC | 0.673 | 6 | 0.100 | 0.778 | 2 | 0.113 | |
相对电导率EL | 0.634 | 8 | 0.094 | 0.652 | 7 | 0.094 | ||
丙二醛含量MDA content | 0.722 | 1 | 0.107 | 0.777 | 3 | 0.113 | ||
可溶性糖含量SC content | 0.625 | 9 | 0.093 | 0.692 | 5 | 0.100 | ||
叶绿素含量Chl content | 0.713 | 4 | 0.106 | 0.837 | 1 | 0.121 | ||
脯氨酸含量Pro content | 0.570 | 10 | 0.085 | 0.588 | 9 | 0.085 | ||
可溶性蛋白浓度SP content | 0.646 | 7 | 0.096 | 0.708 | 4 | 0.103 | ||
超氧化物歧化酶活性SOD activity | 0.721 | 2 | 0.107 | 0.683 | 6 | 0.099 | ||
过氧化物酶活性POD activity | 0.716 | 3 | 0.106 | 0.587 | 10 | 0.085 | ||
过氧化氢酶活性CAT activity | 0.699 | 5 | 0.104 | 0.599 | 8 | 0.087 | ||
HD | 叶片相对含水量RWC | 0.761 | 4 | 0.104 | 0.786 | 3 | 0.109 | |
相对电导率EL | 0.762 | 3 | 0.104 | 0.748 | 5 | 0.104 | ||
丙二醛含量MDA content | 0.755 | 5 | 0.103 | 0.687 | 8 | 0.095 | ||
可溶性糖含量SC content | 0.766 | 2 | 0.104 | 0.771 | 4 | 0.107 | ||
叶绿素含量Chl content | 0.729 | 6 | 0.099 | 0.844 | 1 | 0.117 | ||
脯氨酸含量Pro content | 0.724 | 7 | 0.099 | 0.737 | 6 | 0.102 | ||
可溶性蛋白浓度SP content | 0.781 | 1 | 0.106 | 0.834 | 2 | 0.116 | ||
超氧化物歧化酶活性SOD activity | 0.671 | 10 | 0.092 | 0.530 | 10 | 0.074 | ||
过氧化物酶活性POD activity | 0.672 | 9 | 0.092 | 0.569 | 9 | 0.079 | ||
过氧化氢酶活性CAT activity | 0.712 | 8 | 0.097 | 0.701 | 7 | 0.097 |
Table 7 Weight and correlation degree between DC value and D, WDC value of each index under drought stress
处理Treatment | 指标 Index | 关联度 Correlation degree(λD) | 关联度 Correlation degree(λWDC) | |||||
---|---|---|---|---|---|---|---|---|
值 Value | 排序 Rank | 加权抗旱系数 WDC | 值 Value | 排序 Rank | 加权抗旱系数 WDC | |||
MD | 叶片相对含水量RWC | 0.673 | 6 | 0.100 | 0.778 | 2 | 0.113 | |
相对电导率EL | 0.634 | 8 | 0.094 | 0.652 | 7 | 0.094 | ||
丙二醛含量MDA content | 0.722 | 1 | 0.107 | 0.777 | 3 | 0.113 | ||
可溶性糖含量SC content | 0.625 | 9 | 0.093 | 0.692 | 5 | 0.100 | ||
叶绿素含量Chl content | 0.713 | 4 | 0.106 | 0.837 | 1 | 0.121 | ||
脯氨酸含量Pro content | 0.570 | 10 | 0.085 | 0.588 | 9 | 0.085 | ||
可溶性蛋白浓度SP content | 0.646 | 7 | 0.096 | 0.708 | 4 | 0.103 | ||
超氧化物歧化酶活性SOD activity | 0.721 | 2 | 0.107 | 0.683 | 6 | 0.099 | ||
过氧化物酶活性POD activity | 0.716 | 3 | 0.106 | 0.587 | 10 | 0.085 | ||
过氧化氢酶活性CAT activity | 0.699 | 5 | 0.104 | 0.599 | 8 | 0.087 | ||
HD | 叶片相对含水量RWC | 0.761 | 4 | 0.104 | 0.786 | 3 | 0.109 | |
相对电导率EL | 0.762 | 3 | 0.104 | 0.748 | 5 | 0.104 | ||
丙二醛含量MDA content | 0.755 | 5 | 0.103 | 0.687 | 8 | 0.095 | ||
可溶性糖含量SC content | 0.766 | 2 | 0.104 | 0.771 | 4 | 0.107 | ||
叶绿素含量Chl content | 0.729 | 6 | 0.099 | 0.844 | 1 | 0.117 | ||
脯氨酸含量Pro content | 0.724 | 7 | 0.099 | 0.737 | 6 | 0.102 | ||
可溶性蛋白浓度SP content | 0.781 | 1 | 0.106 | 0.834 | 2 | 0.116 | ||
超氧化物歧化酶活性SOD activity | 0.671 | 10 | 0.092 | 0.530 | 10 | 0.074 | ||
过氧化物酶活性POD activity | 0.672 | 9 | 0.092 | 0.569 | 9 | 0.079 | ||
过氧化氢酶活性CAT activity | 0.712 | 8 | 0.097 | 0.701 | 7 | 0.097 |
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