苦荞萌芽期镉耐受性及对幼苗生理特性的影响

杜含梅, 谭露, 李声春, 王清海, 徐洲, 吴丹丹, 王安虎

Cadmium Tolerance of Tartary Buckwheat during Germination Stage and Its Effects on Physiological Characteristics of Seedlings

Du Hanmei, Tan Lu, Li Shengchun, Wang Qinghai, Xu Zhou, Wu Dandan, Wang Anhu

表2 镉胁迫对苦荞种子萌发的影响

Table 2 Effects of Cd stress on germination of tartary buckwheat seeds

编号 ID 镉浓度 Cd concentration (μmol/L) 发芽率 Germination rate (%) 发芽势 Germination potential (%) 发芽指数 Germination index 活力指数 Vigor index V1 0 94.44±5.56a 70.00±3.06ab 7.97±1.17ab 53.09±17.97ab 50 92.22±6.19a 67.78±4.66ab 8.80±2.74a 65.56±11.84a 100 67.78±1.11b 63.33±3.33b 7.67±1.85ab 49.79±3.16ab 200 65.67±3.33b 72.22±1.11a 7.98±3.11ab 38.01±16.64b 300 44.67±11.71c 71.11±3.56a 7.51±2.25b 30.83±12.13bc V2 0 86.67±6.94a 56.67±3.68a 19.38±5.27a 129.59±9.08a 50 82.22±8.68ab 44.44±6.23b 16.71±1.94ab 108.49±28.62ab 100 61.11±10.67b 52.22±3.19ab 16.07±2.53b 74.54±7.48b 200 57.89±7.78c 58.89±10.60a 19.58±2.52a 72.59±19.73b 300 18.00±6.78d 44.44±0.51b 17.25±2.65ab 47.68±5.50c V3 0 72.72±4.97a 76.48±3.99a 18.52±2.21a 90.50±12.13a 50 66.67±2.55a 78.89±4.00a 18.19±0.24a 81.04±7.70a 100 40.00±12.83b 74.44±2.43a 14.95±2.03bc 55.17±4.50b 200 39.00±5.98b 84.44±12.37a 15.83±2.71b 46.02±14.53b 300 19.11±2.08c 76.67±4.04a 17.99±2.99ab 51.06±12.05b V4 0 74.19±12.69a 33.21±5.25a 7.60±2.61a 38.91±6.93a 50 61.31±3.84b 20.87±3.65b 7.20±3.89a 29.93±3.33ab 100 30.66±5.75c 31.11±2.36a 4.49±3.11b 18.42±6.38b 200 15.11±2.71d 25.00±6.80ab 6.79±3.43a 24.68±8.70b 300 10.57±0.96d 18.33±5.61b 4.97±3.37ab 14.50±4.08b V5 0 92.22±4.01a 30.00±1.77b 18.34±0.70a 132.00±8.78a 50 87.78±5.88a 43.33±4.40a 16.26±0.35ab 111.65±7.19a 100 61.11±15.56ab 33.33±3.09b 15.73±2.06b 78.87±3.34b 200 51.22±4.44b 42.50±5.42a 17.96±0.37a 75.19±12.33b 300 29.11±5.44c 36.67±4.67ab 17.57±1.49a 78.67±1.58b V6 0 94.44±5.56a 85.56±2.91a 12.24±6.26a 67.56±10.10a 50 92.22±4.84a 84.44±5.05a 12.03±2.40a 74.04±4.50a 100 71.11±5.88ab 80.00±2.33a 12.67±1.54a 47.56±5.92b 200 67.89±4.84b 83.33±8.82a 9.93±1.08ab 45.25±32.04b 300 28.00±8.36c 84.44±4.17a 11.19±3.01a 34.75±32.10bc V7 0 73.33±11.55a 42.22±1.80b 9.83±0.66a 70.51±25.82a 50 74.44±9.49a 64.44±6.38a 8.03±0.45ab 49.59±8.12ab 100 52.22±12.52ab 43.33±1.92ab 7.62±0.60b 40.54±12.51b 200 44.56±8.68b 43.33±6.94ab 8.98±0.34a 39.69±12.52b 300 22.44±9.49b 38.89±4.07b 9.27±0.49a 47.20±9.34ab V8 0 77.78±8.01a 44.44±3.24b 9.93±0.71ab 78.82±2.79ab 50 82.22±8.01a 66.67±7.83ab 10.05±0.43a 92.50±11.36a 100 55.56±13.10ab 55.56±3.13b 9.93±1.49ab 76.87±6.26ab 200 49.00±12.02b 76.67±7.70a 11.12±0.37a 61.89±16.10b 300 28.00±19.53b 78.89±5.32a 10.73±1.69a 61.31±13.60b V9 0 82.22±6.19ab 46.67±3.86a 11.74±1.37b 54.44±3.76b 50 90.00±3.33a 56.67±6.21a 12.46±0.44ab 61.65±24.60b 100 68.89±2.22b 52.22±2.51a 13.46±0.72ab 71.43±11.81ab 200 56.78±6.76b 51.11±6.19a 15.00±1.82a 96.53±17.16a 300 31.33±1.82c 51.11±4.53a 15.78±1.68a 65.85±4.71b V10 0 98.89±1.11a 46.67±1.02a 8.45±1.39ab 38.67±4.43b 50 97.78±1.11a 46.67±9.77ab 9.56±2.97a 60.42±3.88a 100 76.67±3.33b 33.33±2.46b 10.40±2.00a 58.00±3.58a 200 76.78±2.22b 38.89±1.11b 8.13±0.87b 35.74±4.16b 300 56.89±1.11c 41.11±3.56ab 9.88±1.24a 39.87±4.42b V11 0 88.89±6.76a 55.56±4.26a 3.75±1.16ab 18.17±5.90a 50 84.44±2.22a 66.67±6.36a 3.86±0.44ab 23.15±5.46a 100 62.22±4.01b 58.89±3.67a 3.03±0.58b 13.14±5.24ab 200 63.44±3.56b 62.22±8.69a 5.20±0.62a 17.58±9.65a 300 31.33±2.94c 64.44±5.67a 3.56±0.74ab 10.75±2.03b V12 0 93.33±3.33a 92.22±2.22a 28.07±1.57a 170.16±28.97a 50 91.11±5.88a 96.67±0.80a 27.00±0.27a 191.16±5.56a 100 70.00±10.00ab 95.56±13.67a 28.89±0.59a 151.76±52.80ab 200 60.11±11.67b 91.11±5.88a 26.75±1.43a 150.69±25.62ab 300 45.78±8.89b 94.44±1.84a 27.37±0.14a 121.16±37.15b V13 0 82.61±4.84a 33.33±2.57b 6.98±0.60ab 40.60±14.35a 50 70.64±9.32b 51.11±6.38a 8.32±0.59a 47.08±8.63a 100 35.92±2.53c 30.00±1.92b 6.50±0.41b 31.67±7.96ab 200 22.33±4.27d 47.78±1.11a 7.22±0.62ab 32.97±4.17ab 300 12.73±0.58e 36.67±5.29ab 7.90±1.65a 26.52±7.88b V14 0 86.67±10.00a 6.67±0.59b 12.67±4.22ab 77.83±6.30b 50 86.67±10.00a 17.78±4.59a 12.78±3.07ab 92.17±6.43ab 100 66.67±10.00ab 10.00±1.92ab 14.30±1.42a 106.37±3.32a 200 63.44±12.22ab 11.11±4.01ab 17.09±4.83a 111.55±2.96a 300 39.11±9.09b 12.22±2.69ab 14.99±2.00a 78.36±2.73b