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3 不同生育时期喷施不同浓度褪黑素对红小豆光合色素含量的影响

Table 3 Effects of spraying melatonin with different concentrations at different growth stages on photosynthetic pigment contents of adzuki bean

时期 Period 褪黑素浓度 Melatonin concentration (μmol/L) 叶绿素a Chl a (mg/g) 叶绿素b Chl b (mg/g) 类胡萝卜素 Carotenoid (mg/g) 总叶绿素a+b Chl (a+b) (mg/g) 叶绿素比值 Chl (a/b) 苗期Seedling stage 0 (CK) 1.25±0.064bc 0.40±0.018ab 0.30±0.025b 1.65±0.080ab 3.14±0.09b 50 1.36±0.089ab 0.45±0.027a 0.29±0.019bc 1.81±0.117a 3.02±0.02b 100 1.46±0.034a 0.44±0.012a 0.40±0.014a 1.89±0.046a 3.35±0.01a 200 1.07±0.018ab 0.36±0.010b 0.24±0.003c 1.43±0.029ab 3.00±0.04ab 花荚期Flowering and pod stage 0 (CK) 1.82±0.046b 0.52±0.019c 0.45±0.008b 2.35±0.065b 3.47±0.04a 50 2.52±0.126a 0.73±0.044b 0.59±0.023a 3.25±0.169a 3.45±0.06a 100 2.69±0.213a 0.88±0.073a 0.55±0.004a 3.57±0.285a 3.04±0.04b 200 1.83±0.091b 0.63±0.023bc 0.28±0.018c 2.46±0.114b 2.91±0.05b 鼓粒期Seed filling stage 0 (CK) 0.99±0.078ab 0.29±0.024ab 0.43±0.035a 1.28±0.101ab 3.49±0.03a 50 0.98±0.021ab 0.33±0.008ab 0.38±0.011ab 1.30±0.030ab 2.95±0.01b 100 1.19±0.197a 0.44±0.083a 0.44±0.065a 1.63±0.281a 2.77±0.07c 200 0.69±0.093b 0.23±0.028b 0.29±0.029b 0.92±0.121b 2.95±0.06b