水稻籽粒中镉的来源

喻华, 上官宇先, 涂仕华, 秦鱼生, 陈琨, 陈道全, 刘前聪

Sources of Cadmium Accumulated in Rice Grain

Hua YU, YuXian SHANGGUAN, ShiHua TU, YuSheng QIN, Kun CHEN, DaoQuan CHEN, QianCong LIU

表1 不同取样时间的水稻器官干重

Table 1 Dry weight of different plant parts of rice at different sampling times

处理 Treatment 糙米重 Brown rice wt (g/plant) 谷壳重 Chaff wt (g/plant) 茎秆重 Culm wt (g/plant) 叶重 Leaf wt (g/plant) 根重 Root wt (g/plant) 田间样 Field sample 齐穗期 Full heading stage - 8.93a 35.82a 15.41ab 6.35bcd 灌浆期 Milk stage 9.13c 8.53a 31.95b 13.80ab 6.29bcd 腊熟期 Dough stage 27.53b 8.90a 28.07c 13.52ab 5.19d 成熟期 Mature stage 35.98a 8.94a 27.81c 12.19b 5.53cd 水培样(成熟期) Hydroponics sample (Mature stage) Cd 0 36.54a 8.11a 26.39cd 15.97a 8.70a Cd 0.2 35.43a 7.93a 24.28d 15.16ab 7.95ab Cd 0.5 34.08a 7.90a 24.85cd 14.18ab 7.36abc