Effects of Lanthanum on Germination and Physiological and Biochemical Indexes of Rape Seed
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The germination rate,germination energy,germination index,respiratory rate and soluble protein content,root activity of rape seed were determined with the different concentration of Lanthanum(5,10,20,30,50,100 mg/L).The results indicated that low concentration of La(10 mg/L to 30 mg/L) could promote RaPe seed germate and increase seed metabolism and root activity of seedling.The best effect was the concen-tration of 30 mg/L La.The germination and the metabolism of rape seed and root activity of seedling were decreasing with high concentration of La( 30 mg/L).