人工老化处理对大麦种子萌发早期胚乳内源激素的影响

doi:10.16035/j.issn.1001-7283.2016.06.027

摘要/Abstract

摘要：

采用高温高湿人工老化处理的方法,研究老化对大麦种子萌发早期胚乳内源激素的影响。结果表明：人工老化处理使4个大麦种子胚乳中赤霉素（GA₃）、吲哚乙酸（IAA）、玉米素核苷（ZR）、脱落酸（ABA）、油菜素内酯（BR）和茉莉酸甲酯（MeJA）含量发生明显的变化。在种子吸水阶段,经老化处理的种子胚乳内GA₃、ZR和BR含量均低于未老化处理,而IAA和MeJA含量高于未老化处理;随着种子萌发,经老化处理的GA₃、ZR和BR含量逐渐高于未老化处理,而IAA和MeJA含量低于未老化处理;经老化处理的ABA含量在萌发过程中始终高于未老化处理。

关键词: 大麦, 人工老化, 萌发早期, 胚乳, 内源激素

Abstract:

The objective of the study was to explore endogenous hormones in the endosperm of barley seeds with high temperature and high humidity artificial aging treatment in the early stage of germination. The results showed that artificial aging significantly changed the contents of endogenous GA₃, IAA, ZR, ABA, BR and MeJA in the endosperms of 4 barley seeds. In the seed absorption stage, contents of GA₃, BR and ZR were lower than those of the control, but contents of IAA and MeJA were higher than those of the control. With the extension of seed germination, content of GA₃, BR and ZR were higher than those of the control, but contents of IAA and MeJA were lower than those of the control. However, contents of ABA were always higher than that of the control in all the germination processes.

Key words: Barley (Hordeum vulgare L.), Artificial aging, Early germination, Endosperm, Endogenous hormones

王凤,齐军仓,林立昊,郑许光,郭亚南,龚磊,王少玉,陈阿龙,李忠豪,宋瑞娇. 人工老化处理对大麦种子萌发早期胚乳内源激素的影响[J]. 作物杂志, 2016 (6): 160–167

Feng Wang,Juncang Qi,Lihao Lin,Xuguang Zheng,Yanan Guo,Lei Gong,Shaoyu Wang,Along Chen,Zhonghao Li,Ruijiao Song. Effects of Artificial Aging on Endogenous Hormones in the Endosperm of Barley Seeds during Early Germination[J]. Crops, 2016(6): 160–167

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