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以高粱叶片为试材 ,对高粱叶片的化学物质进行分析 ,结果表明 :高粱叶片中的可溶性总氮、可溶性糖和游离氨基酸 ,特别是必需氨基酸 ,在感蚜品种中的含量显著比抗蚜品种的含量高 ,且感蚜品种叶液偏酸 ,抗蚜品种近中性
Sorghum leaves were used as materials to analyze the chemical substances of sorghum leaves. The results showed that soluble nitrogen, soluble sugar and free amino acids, especially essential amino acids, in sorghum leaves were significantly higher than those in resistant varieties Of the content is high, and the susceptible leaf aphid varieties acid, anti-aphid varieties near neutral