Crops ›› 2016, Vol. 32 ›› Issue (6): 160-167.doi: 10.16035/j.issn.1001-7283.2016.06.027

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Effects of Artificial Aging on Endogenous Hormones in the Endosperm of Barley Seeds during Early Germination

Wang Feng,Qi Juncang,Lin Lihao,Zheng Xuguang,Guo Yanan,Gong Lei,Wang Shaoyu,Chen Along,Li Zhonghao,Song Ruijiao   

  1. College of Agronomy,Shihezi University,Shihezi 832003,Xinjiang,China
  • Received:2016-09-14 Revised:2016-11-02 Online:2016-12-15 Published:2018-08-26

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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

Fig.1

Effects of artificial aging on GA3 content of endosperm of barley seeds during early germination Different letters indicate significant difference at 0.05 level among different aging days, the same below"

Fig.2

Effects of artificial aging on IAA content of endosperm of barley seeds during early germination"

Fig.3

Effects of artificial aging on ZR content of endosperm of barley seeds during early germination"

Fig.4

Effects of artificial aging on ABA content of endosperm of barley seeds during early germination"

Fig.5

Effects of artificial aging on BR content of endosperm of barley seeds during early germination"

Fig.6

Effects of artificial aging on MeJA content of endosperm of barley seeds during early germination"

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