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Chinese Agricultural Science Bulletin ›› 2017, Vol. 33 ›› Issue (10): 87-91.doi: 10.11924/j.issn.1000-6850.casb15080040

Special Issue: 园艺

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Effects of Three Plant Growth Retardants on Flowering Characteristics of Phalaenopsis Variety‘Big chili’

  

  • Received:2015-08-06 Revised:2017-03-27 Accepted:2015-09-22 Online:2017-04-11 Published:2017-04-11

Abstract: The paper aims to analyze the effects of 3 plant growth retardants (BAS, CCC, PP333) on flowering characteristics of Phalaenopsis, Phalaenopsis variety‘Big chili’was selected as the research material with 5 different concentration treatments. The result showed that: (1) paclobutrazol (PP333) with different concentrations could reduce the height of Phalaenopsis peduncle effectively, up to 7 cm with the concentration of 250 mg/L, BAS and CCC had no significant effect on peduncle height; (2) the three plant growth retardants with different concentrations were slightly positive to the length of inflorescence, PP333 and BAS were positive to the flower quantity, but CCC was not; (3) the three retardants all had slightly positive effect on flower diameter.

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