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1 不同地上部镁营养对油菜苗期地上部钾与钙浓度的影响

Table 1 Effect of shoot magnesium concentration on shoot potassium and calcium concentration of oilseed rape during seedling stage

植株部位 Each part of the plant 镁缺乏 Mg lack 镁适宜 Mg optimum 镁过量 Mg excess 地上部 Shoot 镁浓度 Mgc (%) 0.08±0.01c 0.58±0.01b 0.82±0.03a 钙浓度 Cac (%) 3.38±0.49a 2.94±0.47b 2.63±0.53c 钾浓度 Kc (%) 4.61±0.80a 5.48±0.99a 5.00±0.77a 新叶 NL 镁浓度 Mgc (%) 0.10±0.01c 0.55±0.03b 0.78±0.07a 钙浓度 Cac (%) 3.14±0.16a 2.52±0.08b 2.51±0.05b 钾浓度 Kc (%) 5.56±0.28a 5.08±0.04b 4.47±0.24c 老叶 OL 镁浓度 Mgc (%) 0.06±0.01c 0.66±0.04b 0.97±0.07a 钙浓度 Cac (%) 3.44±0.17b 5.04±0.16a 3.33±0.02b 钾浓度 Kc (%) 4.32±0.25c 7.74±0.28a 6.22±0.36b