小麦籽粒镉积累差异评价

明毅,张锡洲,余海英

The Evaluation of Cd Accumulation in Grains of Different Wheat Materials

MING Yi,ZHANG XiZhou,YU HaiYing

表3 不同Cd水平下Cd低积累型材料籽粒Cd含量与籽粒产量差异统计

Table 3 The different statistics of yield and Cd content in the grains of the Cd low accumulation wheats under different Cd level

Cd水平 Cd level 参数 Parameter 变幅 Range 均值 Mean value 标准差 SD 变异系数 CV (%) CK 籽粒Cd含量Cd content in grain(mg·kg-1) - - - - 籽粒产量Grain yield(g·plant-1) 4.750—9.554 6.688 1.211 18.114 Cd1 籽粒Cd含量Cd content in grain(mg·kg-1) 0.286—0.910 0.502 0.169 33.706 籽粒产量Grain yield(g·plant-1) 3.199—7.716 5.554 1.335 24.044 Cd4 籽粒Cd含量Cd content in grain(mg·kg-1) 0.881—1.381 1.117 0.137 12.276 籽粒产量Grain yield(g·plant-1) 3.075—8.252 5.632 1.709 30.351