外源褪黑素对红小豆生长、光合荧光特性及产量构成因素的影响

陈忠诚, 金喜军, 李贺, 周伟鑫, 强斌斌, 刘佳, 张玉先

Effects of Exogenous Melatonin on Growth, Photosynthetic Fluorescence Characteristics and Yield Components of Adzuki Bean

Chen Zhongcheng, Jin Xijun, Li He, Zhou Weixin, Qiang Binbin, Liu Jia, Zhang Yuxian

表2 不同生育时期喷施不同浓度褪黑素对红小豆物质积累量的影响

Table 2 Effects of spraying melatonin with different concentrations at different growth stages on matter accumulation of adzuki bean

时期 Period 褪黑素浓度 Melatonin concentration (μmol/L) 地上鲜重 Aboveground fresh weight (g) 地下鲜重 Underground fresh weight (g) 地下部干重 Underground dry weight (g) 地上部干重 Aboveground dry weight (g) 根冠比 Root shoot ratio 苗期Seedling stage 0 (CK) 3.25±0.19a 1.51±0.46a 0.31±0.03a 0.59±0.08b 0.50±0.04a 50 3.21±0.19a 1.96±0.41a 0.35±0.07a 0.76±0.04ab 0.53±0.03a 100 3.54±0.44a 1.26±0.21a 0.47±0.06a 0.89±0.06a 0.56±0.04a 200 3.76±0.38a 1.86±0.17a 0.42±0.05a 0.74±0.05b 0.49±0.03a 花荚期Flowering and pod stage 0 (CK) 8.14±0.62c 5.80±0.61b 0.77±0.09a 1.44±0.09bc 0.54±0.03a 50 10.05±0.10b 6.18±0.53ab 1.00±0.11a 1.68±0.05b 0.60±0.02a 100 13.86±0.90a 7.95±0.89a 1.23±0.30a 2.04±0.11a 0.66±0.04a 200 6.73±0.18c 4.35±0.39b 0.75±0.02a 1.30±0.11c 0.59±0.06a 鼓粒期Seed filling stage 0 (CK) 8.05±0.27b 4.48±0.81bc 0.85±0.11ab 1.57±0.14b 0.55±0.05ab 50 11.38±0.76a 6.31±0.56b 1.03±0.16ab 1.86±0.10ab 0.66±0.04ab 100 12.03±0.46a 8.38±0.47a 1.19±0.02a 2.08±0.16a 0.69±0.05a 200 7.79±0.53a 4.18±0.40c 0.71±0.04b 1.60±0.17ab 0.51±0.06b