【摘要】 本文研究了ＰＥＧ预处理对玉米种子活力及萌发代谢性酶活力的影响。结果表明，ＰＥＧ处理可以提高玉米种子活力及幼苗抗高温的能力，增强萌发玉米种子的呼吸作用，明显提高萌发期间淀粉酶、脂肪酶、转氨酶的活力。更多还原

【Abstract】 This paper deals with the effect of PEG treatment on maize seed activity and metabolic enzymes. The results point out: (1 ) PEG can increase maize seed activity and seedling high temperature resistance. (2) PEG can strengthen maize seedling respiration. (3) PEG can promote the activity of diastase, lipase and aminotransferase during germination in maize更多还原