盐胁迫对2种菠萝蜜属植物幼苗生长及光合荧光特性的影响

苏兰茜,白亭玉,鱼欢,吴刚,谭乐和

Effects of Salt Stress on Seedlings Growth, Photosynthesis and Chlorophyll Fluorescence of Two Species of Artocarpus

LanXi SU,TingYu BAI,Huan YU,Gang WU,LeHe TAN

表1 盐胁迫下菠萝蜜和面包果幼苗生长指标变化

Table 1 Growth indexes of the seedlings of jackfruit and breadfruit under salt stress

处理 Treatment 株高 Plant height (cm) 茎粗 Stem diameter (mm) 叶面积 Leaf area (cm2) 叶绿素含量 Chlorophyll content SPAD 地上部干重 Dry weight of shoot (g) 地下部干重 Dry weight of root (g) 总干重 Total dry weight (g) 根冠比 Ratio of root/ shoot (%) 菠萝蜜 Jackfruit T0 40.17±4.59a 5.76±0.44a 160.05±44.11a 52.97±1.15a 8.82±0.54a 4.17±0.34a 12.99±0.88a 0.47±0.01b T1 30.63±3.37b 4.71±0.39b 113.14±6.37b 53.33±4.13a 5.99±0.27b 3.10±0.14b 9.09±0.39b 0.52±0.02b T2 24.37±4.52b 4.32±0.12b 117.43±5.34b 28.80±5.73bc 5.06±0.15cd 3.45±0.26b 8.52±0.29bc 0.68±0.06a T3 28.63±2.63b 4.56±0.11b 111.07±5.87b 32.93±5.60b 5.34±0.36bc 3.33±0.14b 8.67±0.25bc 0.63±0.07a T4 31.80±3.98b 4.31±0.30b 77.84±17.91b 22.67±2.67c 4.62±0.41d 3.12±0.14b 7.74±0.53c 0.68±0.04a 面包果 Breadfruit T0 77.13±8.87a 8.41±1.10a 266.47±31.90a 44.27±3.15a 17.14±0.80a 5.70±0.36a 22.84±1.10a 0.33±0.01bc T1 80.23±4.57a 8.62±0.75a 293.23±44.24a 45.73±5.61a 16.91±1.74a 4.81±0.47b 21.72±2.17a 0.28±0.01c T2 72.10±3.55a 7.81±0.11a 278.34±42.92a 40.53±2.40a 10.70±0.61b 4.13±0.08c 14.84±0.53b 0.39±0.03b T3 79.17±2.70a 7.66±0.79a 240.91±49.80a 47.37±1.95a 6.89±0.98c 2.12±0.28d 9.00±1.25d 0.31±0.02c T4 70.00±11.10a 7.40±1.85a 307.84±52.05a 46.67±4.95a 8.16±0.67c 3.63±0.39c 11.79±0.78c 0.45±0.06a