不同镁供应浓度对油菜苗期生长和生理特性的影响

王鲲娇,任涛,陆志峰,鲁剑巍

Effects of Different Magnesium Supplies on the Growth and Physiological Characteristics of Oilseed Rape in Seeding Stage

WANG KunJiao,REN Tao,LU ZhiFeng,LU JianWei

表2 镁对油菜苗期根系与地上部表型特征的影响

Table 2 Effect of Mg on the phenotype of shoot and root of oilseed rape during seedling stage

表型特征 Phenotype 镁缺乏 Mg lack 0.10 镁适宜 Mg optimum 1.00 根生物量 BMroot (g/plant) 0.11±0.01b 0.33±0.05a 根平均直径 Root avgdiam (mm) 0.58±0.04b 0.78±0.10a 根长 Root length (cm) 877±121b 1121±169a 根尖数 Root tips 627±92b 948±177a 叶面积 LA (cm2) 504±7b 842±12a 地上部生物量 BMshoot (g/plant) 1.51±0.05b 2.19±0.07a