不同时期干旱胁迫对甘薯生长和抗氧化能力的影响
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张海燕,解备涛,汪宝卿,董顺旭,段文学,张立明
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Effects of Drought Treatments at Different Growth Stages on Growth and the Activity of Antioxidant Enzymes in Sweetpotato
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HaiYan ZHANG,BeiTao XIE,BaoQing WANG,ShunXu DONG,WenXue DUAN,LiMing ZHANG
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表6 不同时期干旱胁迫对甘薯纤维根SOD、POD、CAT和APX活性的影响
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Table 6 Effects of drought stress at different stages on activities of SOD, POD, CAT, and APX of fibrous roots in sweetpotato (U·g-1 FW)
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处理 Treatment | 酶活性 Enzymatic activity
| 栽植后天数 Days after planting (d) | 济薯21 JS 21 | 济紫薯1号 JZ 1 | 40 | 60 | 80 | 100 | 40 | 60 | 80 | 100 | WW | SOD酶活性 SOD activity | 1429.78±289.17b | 3253.62±216.59b | 3079.03±219.65c | 2402.85±209.17b | 957.32±209.41b | 2658.95±251.61b | 2376.57±290.23b | 1944.87±209.41c | DS1 | 2223.62±247.28a | 2372.93±230.24c | 2088.02±193.45d | 1835.93±247.28d | 1218.98±264.59a | 1318.31±248.45c | 1120.07±264.85c | 1009.31±264.59d | DS2 | 1475.21±280.84b | 3582.50±201.07a | 3140.79±247.52b | 2564.61±280.84c | 859.25±245.56b | 2848.40±244.89a | 2408.41±229.61b | 2121.29±245.63b | DS3 | 1460.97±243.04b | 3287.04±219.26b | 3378.28±273.46a | 2938.00±243.04a | 916.50±260.21b | 2694.14±211.45b | 2580.82±258.27a | 2201.61±260.05a | WW | POD酶活性 POD activity | 1115.75±101.22b | 1388.63±61.41b | 1286.00±241.38b | 1071.50±81.24c | 1041.64±71.44b | 1249.25±91.89b | 1155.5±81.76b | 1092.5±71.89a | DS1 | 1417.70±90.68a | 1319.84±83.21bc | 1089.47±84.45c | 707.75±71.73d | 1258.07±72.15a | 1103.50±81.77c | 795.25±93.35c | 586.75±50.54b | DS2 | 1153.207±71.76b | 1565.29±77.47a | 1446.75±83.62a | 1201.75±89.16a | 1030.42±98.69b | 1366.19±71.39a | 1169.00±65.89b | 1126.25±71.73a | DS3 | 1145.75±89.54b | 1419.50±65.85b | 1387.25±75.81a | 1107.75±71.97b | 958.40±45.62b | 1186.06±71.73bc | 1301.00±75.76a | 1155.5±84.56a | WW | CAT酶活性 CAT activity | 90.35±12.45b | 149.27±7.86b | 130.11±71.28b | 125.38±12.45a | 85.72±11.52b | 131.61±7.30b | 122.65±10.05b | 109.96±11.23a | DS1 | 134.69±9.17a | 125.00±8.80c | 113.80±8.13c | 95.56±11.17b | 104.95±9.35a | 91.56±8.11c | 69.32±7.38c | 53.80±9.35b | DS2 | 93.51±8.40b | 173.68±12.69a | 146.68±7.20a | 128.80±10.40a | 83.37±7.88b | 145.68±6.26a | 124.08±9.88b | 114.24±7.88a | DS3 | 91.12±6.64b | 144.86±9.94b | 152.84±7.47a | 130.12±9.64a | 85.42±8.78b | 133.64±5.32b | 130.24±8.56a | 119.48±6.78a | WW | APX酶活性 APX activity | 35.12±4.15b | 64.76±2.62b | 59.37±8.43a | 54.79±4.15a | 33.57±4.21b | 49.87±2.43b | 47.88±3.57b | 44.65±3.06a | DS1 | 49.90±3.39a | 46.67±2.93c | 42.93±2.71c | 36.85±3.38b | 39.98±3.05a | 35.52±2.15c | 28.11±4.13c | 22.93±4.12c | DS2 | 36.17±2.80b | 72.89±4.23a | 53.89±2.40b | 47.93±2.45a | 32.79±2.63b | 53.56±2.75a | 44.36±3.29b | 39.08±2.63b | DS3 | 35.37±2.21b | 63.29±3.31b | 60.95±2.49a | 49.37±3.21a | 33.47±3.11b | 49.55±4.15b | 50.41±2.85a | 40.83±4.59b |
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