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适宜低温锻炼对棉苗中SOD活性及抗冷性的影响 被引量:2

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摘要 研究了棉苗经不同低温(12℃、14℃、16℃)锻炼7d后对较长时间(7d)的低温(4℃)胁迫的耐受情况;分析了不同低温锻炼对棉苗抗冷性的影响,并从理论上探讨了与其相关的可能机理。结果表明,经不同低温(12℃、14℃、16℃)锻炼7d后,随着低温胁迫时间的延长,所有参试棉花品种的幼苗较之于对照,其冷害指数都有所降低,超氧物歧化酶(SOD)活性都有不同程度的增加,抗冷性明显提高,其中锻炼温度以12℃效果最佳。
出处 《中国棉花》 北大核心 2010年第10期7-9,共3页 China Cotton
基金 山西省自然科学基金(20021084)
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