栽插密度和EBR浓度对甘薯鲜薯产量和品质的影响

罗元凯, 李染秋, 李宜蒙, 唐维, 刘亚菊

Effects of Planting Density and EBR Concentration on the Yield and Quality of Sweet Potato

Luo Yuankai, Li Ranqiu, Li Yimeng, Tang Wei, Liu Yaju

表2 密度和EBR耦合对甘薯鲜薯产量和光合特性的影响

Table 2 Effects of density and EBR coupling on yield and photosynthetic characteristics of fresh sweet potato

处理 Treatment 产量 Yield (kg/hm2) SPAD值 SPAD value Fv/Fm B1D1 12 947.65±643.22g 37.23±0.80e 0.72±0.00cd B2D1 13 977.57±581.02g 44.37±0.76b 0.77±0.00a B3D1 16 478.82±819.57e 37.00±1.21e 0.74±0.01bc B4D1 10 593.53±270.96h 40.63±0.65d 0.71±0.01de B1D2 14 124.71±325.17g 36.73±0.38e 0.68±0.01gh B2D2 15 448.90±794.37f 42.40±0.60c 0.77±0.00a B3D2 17 784.82±668.08d 40.73±0.25d 0.70±0.02ef B4D2 11 476.32±496.67h 38.10±0.72e 0.67±0.02h B1D3 18 244.41±609.37d 38.20±1.35e 0.62±0.01i B2D3 20 010.00±532.63c 46.07±0.46a 0.74±0.01b B3D3 23 688.31±707.28a 42.43±0.29c 0.73±0.01cd B4D3 21 628.46±420.58b 40.27±0.75d 0.69±0.00fg F值F-value B 114.56** 129.19** 132.11** D 531.86** 30.97** 43.31** B×D 19.94** 13.20** 18.50**