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Publikováno v:
Journal of gravitational physiology : a journal of the International Society for Gravitational Physiology. 5(1)
Plants are immobile; therefore, they are oriented in space due to growth movements--tropisms. The latter occur in response to environmental stimuli such as gravity (gravitropism), light (phototropism), chemical compounds or water (chemo- and hydrotro
Publikováno v:
Advances in space research : the official journal of the Committee on Space Research (COSPAR). 21(8-9)
The superficial cells of dark-grown moss shoots give rise to negatively gravitropic protonemata, whatever the orientation of the shoot. Shoot orientation, however, does affect from which side of the shoot the protonemata form and the direction of the