ACTA AGRICULTURAE BOREALI-SINICA ›› 2011, Vol. 26 ›› Issue (3): 124-127. doi: 10.7668/hbnxb.2011.03.025

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Effects of Low Temperature Vernalization Treatment of Seeds of Lisianthus on Bolting

ZHAO Xi-heng1, LI Jin-cai1, NIXIMURA Yasuyo2   

  1. 1. School of Agriculture and Bioengineering,Tianjin University,Tianjin 300072,China;
    2. Faculty of Agriculture,Kochi University,Nankoku 783-8502,Japan
  • Received:2010-09-26 Published:2011-06-28

Abstract: In order to develop the techniques of lisianthus bolting promotion in summer nursery,autumn and winter flowering cultivation(Eustoma grandiflorum(Raf.) Shinn.),effects of low temperature vernalization treatment of seeds and nursery night temperature after vernalization treatment on bolting were studied.Low temperature vernalization treatment on imbibed seeds of lisianthus promoted germination and bolting,the effect of 7-10℃ 35 d dark treatment for bolting was notable.After the low temperature vernalization treatment of imbibed seeds,normal seedlings bolting were more likely to occur during the nursery of day 30-35℃ and night 20-23℃ temperature management.But the nursery of 23-26℃ or above can cause devernalization.These results show that cultivation techniques of low temperature vernalization treatment on seeds and control of nursery night high temperature can effectively prevent rosette,and promote bolting in summer nursery,autumn and winter flowering cultivation of lisianthus.

Key words: Iisianthus, Imbibed seeds, Low temperature, Vernalization, Germination, Rosette, Bolting

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ZHAO Xi-heng,LI Jin-cai,NIXIMURA Yasuyo. Effects of Low Temperature Vernalization Treatment of Seeds of Lisianthus on Bolting[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2011, 26(3): 124-127. doi: 10.7668/hbnxb.2011.03.025.

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