不同营养液配方对韭菜抗逆生理指标的影响

为确定适合韭菜水培的营养液配方,以平韭八号、赛松2个韭菜品种为试验材料,研究了Hoagland营养液配方(T1)、日本千叶农试葱营养液配方(T2)、绿叶菜通用营养液配方(T3)和叶菜营养液配方(T4)对韭菜叶片可溶性蛋白含量、丙二醛(MDA)含量、脯氨酸含量、超氧化物歧化酶(SOD)活性和过氧化物酶(POD)活性的影响。结果表明,对于平韭八号来说,可溶性蛋白含量表现为T2T3T1T4,脯氨酸含量表现为T1T3T4T2,MDA含量表现为T4T3T1T2,SOD活性表现为T2T4T3T1,POD活性表现为T2T3T4T1;对于赛松来说,可溶性蛋白含量表现为T3T2T1T4,脯氨酸含量表现为T4T3T1T2,MDA含量表现为T1T4T3T2,SOD活性表现为T2T1T3T4,POD活性表现为T2T1T4T3。总体上,T2配方中,2个韭菜品种的可溶性蛋白含量较高、MDA含量最低、SOD和POD活性最高,较为适宜韭菜水培。

Effect of Different Nutrient Solution Formulas on Stress-resistance Physical Indexes of Allium tuberosum Rottler

To provide suitable nutrient solution formulas for Allium tuberosum Rottler,the effect of Hoag-land nutrient solution formula(T1),Japanese green nutrient solution formula(T2),green leaf vegetables universal nutrient solution formula(T3)and leaf vegetables nutrient solution formula(T4)on the contents of soluble protein,malondialdehyde( MDA) ,proline,activities of superoxide dismutase( SOD) and super-oxide dismutase( POD) of Allium tuberosum Rottler leaves were studied with two Allium tuberosum Rottler varieties(Pingjiu No. 8 and Saisong). The results showed that for Pingjiu No. 8,the soluble protein con-tent showed T2>T3>T1>T4,proline content showed T1>T3>T4>T2,MDA content showed T4>T3>T1>T2,SOD activity showed T2>T4>T3>T1,POD activity showed T2>T3 >T4 >T1; for Saisong, the protein content showed T3>T2>T1>T4,proline content showed T4>T3>T1>T2 ,MDA content showed T1>T4>T3>T2,SOD activity showed T2>T1>T3>T4,POD activity showed T2>T1>T4>T3. Overall,for the two Allium tuberosum Rottler varieties,soluble protein contents were higher,MDA con-tents were the lowest,SOD and POD activity were the highest in T2 formula,which was more suitable for Allium tuberosum Rottler growth.