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Volume 25 Issue 2
Nov.  2011
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Article Contents
LIU Guo-qiang, XIAO Xiang-xi, QIU Dong-liang, XU Wei-dong. Effects of maleic hydrazide on endogenous hormone contents in Longan seeds[J]. Fujian Journal of Agricultural Sciences, 2010, 25(2): 192-196.
Citation: LIU Guo-qiang, XIAO Xiang-xi, QIU Dong-liang, XU Wei-dong. Effects of maleic hydrazide on endogenous hormone contents in Longan seeds[J]. Fujian Journal of Agricultural Sciences, 2010, 25(2): 192-196.

Effects of maleic hydrazide on endogenous hormone contents in Longan seeds

  • Received Date: 2009-10-14
  • Rev Recd Date: 2010-03-26
  • Publish Date: 2010-04-15
  • Maleic hydrazide(MH) was sprayed on a normal longan cultivar (Dimorcarpus longana Lour. cv. Wulongling) to induce the formation of shriveled seeds in longan. The results showed that the contents of gibberellin (GA3),indole-3-acetic acid (IAA) and abscissic acid (ABA) in the shriveled seeds decreased most of the time during fruit development,and the GA3 content reached the minimum at maturation. There was a significant reverse correlation between the formation of the shriveled seeds and the fruit's endogenous hormone content. During seed development,the ratios of ABA/GA3 and ABA/IAA in the seedless fruits were remarkably higher than the control. It was,therefore,concluded that the main reason of the normal longan seeds to become shriveled was due to a reduction of these endogenous hormones.
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