5-氨基乙酰丙酸对干旱胁迫下黄瓜苗期生长和土壤酶活性的影响

张智涵, 姚杰, 张占田, 卞福花, 张紫然, 陈平, 陈海宁, 刘保友

Effects of 5-Aminolevulinic Acid on Cucumber Seedling Growth and Soil Enzyme Activities under Drought Stress

Zhang Zhihan, Yao Jie, Zhang Zhantian, Bian Fuhua, Zhang Ziran, Chen Ping, Chen Haining, Liu Baoyou

表1 不同浓度5-ALA对干旱胁迫下黄瓜幼苗生长的影响

Table 1 Effects of different concentrations of 5-ALA on the growth of cucumber seedlings under drought stress

处理 Treatment (mg/L) 叶片数 Number of leaves 株高 Plant height (cm) 茎粗 Stem diameter (mm) 茎节数 Number of stem nodes 地上部鲜重 Fresh weight of shoots (g) 地下部鲜重 Fresh weight of roots (g) 0 5.0±0.0b 18.53±0.45c 6.97±0.32a 5.0±0.0b 14.28±0.63c 16.58±0.89b 10 5.3±0.6ab 24.67±1.40b 7.63±0.31a 6.3±0.6a 18.69±0.94b 22.52±0.68a 25 6.0±0.0a 27.73±2.19a 7.60±0.46a 6.3±0.6a 20.32±0.49a 22.35±1.19a 50 5.3±0.6ab 20.37±1.81c 7.10±0.79a 5.3±0.6b 14.50±1.04c 14.01±0.46c 75 5.0±0.0b 15.10±1.35d 6.93±0.51a 5.0±0.0b 10.06±1.14d 8.98±0.54d 0 2.50±0.23b 0.83±0.10c 1.01±0.07c 6.51±0.40c 7.55±0.57b 41.08±5.40c 10 3.17±0.15a 1.57±0.08a 1.27±0.04a 7.32±0.44b 8.18±0.72a 47.91±5.16ab 25 3.34±0.13a 1.11±0.11b 1.10±0.03b 7.73±0.44a 8.13±0.66a 50.54±5.04a 50 2.39±0.11b 0.85±0.03c 0.97±0.04c 7.63±0.47a 7.67±0.46b 46.24±6.17b 75 1.35±0.08c 0.43±0.04d 0.90±0.05d 6.32±0.46c 6.77±0.54c 36.27±5.28d