Growth and tropic movements of plants / by Sir Jagadis Chunder Bose.

  • Jagadish Chandra Bose
Date:
1929
Catalogue details

Licence: In copyright

Credit: Growth and tropic movements of plants / by Sir Jagadis Chunder Bose. Source: Wellcome Collection.

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    Electric stimulation, effect of, on growth, 62, 423 ; latent period of response to, 64 ; effect of increasing intensity and duration of, 65, 68 ; effect of continuous application of, 66, 68 ; continuity of effect between incipient and actual contraction under, 67; effect of direct and indirect, on tendril, 91 ; after-effect of, 92 Electrodes, non-polarisable, 317 Electromotive response, under unilateral stimulation at proximal and distal sides : of tendril, 95 ; of stem, 130 Electromotive response, positive, diphasic, and negative, under increasing intensity of indirect stimulation, 128. See also Geo-electric response of shoot and of root Erythrina indica : latent period for photic stimulation, 106 ; positive phototropic curvature of, 104 ; characteristics of phototropic curve of, 149 ; effect of C02 on geotropic response of, 303 Ether, effect of vapour of : on growth, 44, 293, 422 ; on geotropic response, 298 ; on autonomous torsion, 393, 434 Fatigue-relaxation : of growth under prolonged stimulation, 136 ; reversal of tropic curvature from positive to negative by, 137, 138 Fitting, cited on response of tendril, 97 Force, active nature of force in diurnal movement of ‘ Praying ’ Palm, 229 Formaldehyde, effect of, on autonomous torsion, 392 Frictional stimulation, effect of, on growth, 87, 93 Galvanograph, 200 Geo-electric response of shoot : discovery of, 314 ; latent period of, 322 ; method of contact with sensitive and indifferent points, 318 ; electro- motive variation at upper and at lower side, 319 ; methods of Axial and of Vertical rotation, 320 ; characteristics of, 321 ; physiological character of, 323 ; relation between angle of inclination and, 324 ; law of sines, 325 ; the Electric Probe, 328 ; localisation of geo- perceptive layer in, 329 et seq., 432 ; distribution of excitability at different depths, 332; curve of geotropic excitability, 334, 335 ; duplication of geo-perceptive layer and of starch-sheath, 345, 432 ; intensity of response at various angles of inclination, 353 ; critical angle for, 360, 432 ; effect of repetition on critical angle for, 363 Geo-electric response of root : at the region of tip, 368, 433 ; at the region of growth, 369, 370, 433 ; additive action-current between tip and growing region, 370 Geo-perception by tip of the root, 372 Geotropic curve : complete record of, 286 ; effect of season on, 294 ; effect of chloroform on, 296 ; effect of ether on, 297 ; effect of CO , on, 299 2 Geotropic excitation, differential, in upper and lower halves of dorsi- ventral organ, 290, 302 Geotropic stimulation, 281-4 ; determination of direction of, 284, 287, 308, 431 ; latent period of effect of, 294 ; algebraical summation of effects of photic and, 288, 308 ; certain analogy between effect of photic and, 288, 289 ; difference between response to photic and, 373, 433 > difference of response to, in shoot and in root, 372, 433