Compared to Gln, Glu reduced more shoot fresh weight, shoot dry weight, root fresh weight when NO3--N:AA-N ratios were 80:20 and 60:40, while unaffected root dry weight.

• 与谷氨酰胺相比,当NO3--N:AA-N比例为80:20和60:40时,谷氨酸进一步降低了地上部鲜重、干重和根鲜重,而对根干重没有影响。