Life Movements in Plants, Volume I

Name: Life Movements in Plants, Volume I
Author: Bose, Jagadis Chandra

Bose, Jagadis Chandra

Growth (Plants); Plants -- Irritability and movements

Contractile response of growing and non-growing
    organs--Time-relations of mechanical response of pulvinated
    and growing organs--Similar modification of response under
    condition of sub-tonicity--Opposite effects of Direct and
    Indirect stimulus--Exhibition of negative electric response
    under Direct, and positive electric response under Indirect
    stimulus--Similar modification of autonomous activity in
    _Desmodium gyrans_ and in growing organs under parallel
    conditions--Similar excitatory effects of various stimuli
    on pulvinated and growing organs--Similar discriminative
    excitatory effects of various rays in excitation of motile
    and growing organs--Action of white light--Action of
    red and yellow lights--Action of blue light--Action of
    ultra-violet rays--Action of infra-red rays--Diverse modes
    of response to stimulus--Mechanical response--Electromotive
    response--Response by variation of electric resistance         239




ILLUSTRATIONS.

  FIGURE.                                                        PAGE.

   1. Photographs of morning and evening positions of the
      ‘Praying Palm’                                                 7

   2. The Recording Apparatus                                        9

   3. Record of diurnal movement of the ‘Praying Palm’              11

   4.    "                  "           Sijbaria Palm               12

   5. Curve of variation of moto-excitability in _Mimosa pudica_    17

   6. Effect of physiological depression on diurnal movement of
      _Arenga saccharifera_                                         19

   7. Record of diurnal movements of young procumbent stem of
      _Mimosa pudica_                                               26

   8. Erectile response of _Basella_ to gradual fall of
      temperature                                                   28

   9. Responsive fall of _Basella_ to gradual rise of temperature    "

  10. Response of a straight tendril of _Passiflora_                33

  11. Response of a hooked tendril of _Passiflora_                  35

  12. Response of pulvinus of _Mimosa pudica_                       36

  13.     "           "       _Mimosa_ to variations of turgor      40

  14. Diagram of complete apparatus for record of diurnal
      variation                                                     46

  15. The Oscillator                                                50

  16. Effect of cloud on excitability of _Mimosa_                   52

  17. Effect of sudden darkness                                     53

  18. Effect of change from darkness to light                       54

  19. Effect of enhanced turgor                                     55

  20. Effect of moderate cooling                                    56

  21. Effect of application of intense cold                         58

  22. Effect of temperature above the optimum                       58

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Life Movements in Plants, Volume I

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