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Effects of Light and Dark Pretreatment on Formation of Adventitious Root of Setm of Broad Bean Seedling
Author(s): 
Pages: 56-59
Year: Issue:  2
Journal: Yantai Teachers University journal(Natural Science

Keyword:  light pretreatmentdark pretreatmentbroad bean seedlingadventitious rootpolyphenol oxidasephenolic substances;
Abstract: 以蚕豆幼苗为材料,对光、暗预处理诱导植物不定根生成的机理作了初步研究。结果表明,1)暗预处理的茎不定根的生根率比光预处理高出近4倍,并且,暗预处理的茎不定根的发生属内起源。2)暗预处理的蚕豆茎内多酚氧化酶活性比光预处理的高,而酚类物质的含量却比光预处理的低。结论是,高活性的多酚氧化酶及低含量的酚类物质均是有利于不定根生成的重要因素。
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