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单词 aerotropism
释义

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aerotropism
aerotropism n.
Brit. /ɛːˈrɒtrəpɪz(ə)m/
,
U.S. /ɛˈrɑtrəˌpɪz(ə)m/
[ < aero- comb. form + -tropism comb. form, after German Aërotropismus (H. Molisch 1885, in Wiener Akad. Sitzungsberichte 90 i. 137)] Botany the property of bending or turning towards a source of air, exhibited esp. by the growing roots of plants.
ΘΚΠ
the world > plants > part of plant > growth, movement, or curvature of parts > [noun] > tropisms
heliotropism1854
geotropism1873
apheliotropism1880
apogeotropism1880
nyctitropism1880
paraheliotropism1881
hydrotropism1882
selenotropism1883
selenotropy1883
rheotropism1884
orthotropism1885
plagiotropism1886
geotropy1888
haptotropism1888
aerotropism1889
phototropy1892
autotropism1897
plagiotropy1898
thermotropism1898
traumatropism1898
phototropism1899
gravitropism1969
1889 Cent. Dict. Aërotropism, in bot., deviation of roots from their normal direction by the action of gases.
1919 F. O. Bower Bot. Living Plant viii. 128 The roots [of pot-bound plants] grow towards a source of free oxygen... Such a response is styled aerotropism, and roots curving towards the source are positively aerotropic.
1947 A. Howard Soil & Health xiii. 151 The roots showed well defined aerotropism and..grew on the surface under the fallen potato leaves.
2007 J. D. van Elsas et al. Mod. Soil Microbiol. (ed. 2) vii. 195 Morphogenesis of mycelia is also highly regulated, with directional hyphal growth away from the center of the colony, possibly by positive aerotropism.
extracted from aero-comb. form
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