释义 |
aerotropism
aerotropism (ˌɛərəʊˈtrəʊpɪzəm) nthe growth of plants towards or away from a source of oxygenaerotropism
aerotropism[‚e·rō′trō‚piz·əm] (botany) A response in which the growth direction of a plant component changes due to modifications in oxygen tension. aerotropism
Aerotropism Growth or movement toward O2. Botany A plant root’s growth away from the natural direction due to the action of O2 or other gases.aer·o·trop·ism (ār'o-trō'pizm) Movement of an organism with respect to a supply of air or oxygen. [aero- + tropism]aerotropism plant growth response affected by the presence of air. For example, negative aerotropism is growth away from air, an example of which is the growth of the POLLEN TUBE from the stigma to the ovary in flowering plants. |