稀土对红花的生物学效应研究Ⅰ.稀土对红花种子萌发的影响

Journal of Agricultural University of Hebei(2009)

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Abstract
为研究稀土对红花种子萌发和种苗初期生长的影响,给稀土用于红花的优质高产栽培技术提供生理生化依据,利用不同浓度稀土溶液浸泡红花种子,测定种子萌发和种苗初期的各项生理生化指标。结果表明:50 mg/L和100 mg/L的稀土溶液是处理红花种子的适宜浓度,能够促进红花种子的萌发,稀土能够提高红花的脱氢酶和硝酸还原酶的活性,有利于物质的转化,刺激胚芽与胚根的生长,有利于干物质的积累。
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Key words
rare earth,safflower,seed germination,seedling growth
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