Ethephon treatment affects the peroxidase activity in 1-3 weeks after treatment,increases the peroxidase activity and (or) remains the activity at high level for longer time.

• 乙烯利处理对过氧化物酶活性有影响，能提高和(或)维持较高水平的过氧化物酶活性，影响酶活性时间在处理后1-3周，因品种不同而差异。