3种藏嵩草种子休眠及内源脱落酸含量的研究
Acta Agriculturae Boreali-Occidentalis Sinica(2009)
Abstract
在采用不同药剂处理破除嵩草种子休眠的基础上,利用高效液相色谱测定嵩草种子中脱落酸含量变化,探讨影响嵩草种子休眠的因素。结果表明:40%的NaOH处理使矮生嵩草及高山嵩草种子的发芽率达到最高,分别为56.00%和46.00%。处理前种子中的脱落酸含量分别为3.451和4.571μg/g,处理后脱落酸含量分别为1.225和1.813μg/g,分别下降了64.50%和60.34%。
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Key words
HPLC,Abscisic acid,Dormancy,Kobresia Willd
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