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Fan Guoqiang, Tan Kehui. STUDY ON THE INHIBITORY EFFECT OF LONGDAY TREATMENT ON PHARBITIS NIL Ⅱ.THE RELATION BETWEEN DIFFERENT DARK LENGTH PHOTOPERIODS AND FLOWER BUD DIFFERENTIATION AND GENE EXPRESSION IN THE COTYLEDONS[J]. Plant Science Journal, 1997, 15(3): 228-232.
Citation: Fan Guoqiang, Tan Kehui. STUDY ON THE INHIBITORY EFFECT OF LONGDAY TREATMENT ON PHARBITIS NIL Ⅱ.THE RELATION BETWEEN DIFFERENT DARK LENGTH PHOTOPERIODS AND FLOWER BUD DIFFERENTIATION AND GENE EXPRESSION IN THE COTYLEDONS[J]. Plant Science Journal, 1997, 15(3): 228-232.
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STUDY ON THE INHIBITORY EFFECT OF LONGDAY TREATMENT ON PHARBITIS NIL Ⅱ.THE RELATION BETWEEN DIFFERENT DARK LENGTH PHOTOPERIODS AND FLOWER BUD DIFFERENTIATION AND GENE EXPRESSION IN THE COTYLEDONS

  • Institute of Botany, The Chinese Acadeny of Sciences Beijing 100044

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  • Received Date: March 10, 1995
  • Revised Date: June 09, 1996
  • Published Date: August 23, 1997
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  • The growth of Pharbitis nil was promoted and its flowering was inhibitedwhen the dark length of single photoperiod was less than12 h.The results of 2-SDS-PAGE indicated that two kinds of proteins (pI4.1, MW16.5 kD; PI4.2, MW16.5 kD)existed in cotyledons.These proteins were disappeared in the cotyledon treated with induced photoperiod when the light length was over 12 h.Poly(A+)mRNA in the cotyledons with continuous light treatment (l CL) whose protein weight in vitro translationwas 17.4 kD was not discovered in the one treated with induced photoperiod (lSD).These changes in the Pharbitis nil cotyledons might be related to inhibiting the flowerbud differentiation.
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