geotropism

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geotropism
geotropism Bot. (dʒiːˈɒtrəpɪz(ə)m) [f. as prec. + -ism. First used in Ger. form geotropismus by A. B. Frank Beitr. z. Pflanzenphysiol. (1868).] A collective term for the phenomena of irritability presented by various parts of plants in relation to the action of gravity. positive geotropism: the tend... Oxford English Dictionary
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Tropism
an electric field Exotropism: continuation of growth "outward," i.e. in the previously established direction Gravitropism (sometimes referred to as geotropism ): is movement or growth in response to gravity Apogeotropism: negative geotropism Heliotropism: the diurnal motion or seasonal motion of plant parts wikipedia.org
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geotropic
geotropic, a. Bot. (dʒiːəʊˈtrɒpɪk) [f. Gr. γεω- geo- + τροπικ-ός, f. τροπή turning.] Pertaining to, characterized by, or of the nature of, geotropism.1875 Bennett & Dyer Sachs' Bot. 756 Internodes with an upward geotropic curvature. 1880 C. & F. Darwin Movem. Pl. 81 As soon as the confluent petioles... Oxford English Dictionary
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Fritz Noll
der Pflanzen, 1896 - The "mental life" of plants Julius von Sachs : ein Nachruf, 1897 - Obituary of Julius von Sachs Ueber Geotropismus, 1900 - On geotropism Zur Controverse über den Geotropismus, 1902 - Controversy concerning geotropism "Fruchtbildung ohne vorausgegangene Bestaubung (Parthenokarpie) bei der wikipedia.org
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tropism
tropism Biol. (ˈtrɒpɪz(ə)m, ˈtrəʊpɪz(ə)m) [The second element of heliotropism, geotropism, etc., used as an inclusive or generic term.] The turning of an organism, or a part of one, in a particular direction (either in the way of growth, bending, or locomotion) in response to some special external s... Oxford English Dictionary
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Theodora Lisle Prankerd
L. (1929), Studies in the Geotropism of Pteridophyta. IV. On Specificity in Graviperception. L. (1935), Studies in the Geotropism of the Pteridophyta. V. Some Effects of Temperature on Growth and Geotropism in Asplenium bulbiferium. Proc. R. wikipedia.org
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orthotropism
orthotropism Bot. (ɔːˈθɒtrəpɪz(ə)m) [f. as next + -ism.] The condition of being orthotropic; tendency to grow in a vertical direction, upwards or downwards.1885 Vines in Encycl. Brit. XIX. 61/1 Orthotropism is then mainly due to negative geotropism. Oxford English Dictionary
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PUGAS
The official designation was G-009: Purdue University – Geotropism, Fluid Dynamics and Nuclear Particle Velocity. The Payload Manager was Dr. John T. wikipedia.org
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apheliotropism
apheliotropism (əˌfiːlɪˈɒtrəpɪz(ə)m) [f. apheliotrop-ic + -ism.] The habit (in plants) of bending away from the light.1880 Darwin Movem. Plants 5 It is much more convenient to confine the word heliotropism to bending towards the light, and to designate as apheliotropism bending from the light. 1880 ... Oxford English Dictionary
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Gymnopilus allantopus
Most often the fruit bodies have a straight stem but if the specimens emerge from the side of a log the stem curves upwards due to geotropism. wikipedia.org
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traumatropism
traumatropism Biol. (trɔːˈmætrəʊpɪz(ə)m) Also traumatotropism. [Short for *traumatotropism, f. Gr. τραῦµα wound, after geotropism, heliotropism, etc.] A peculiar growth or curvature of an organism (esp. a plant) resulting from a wound. traumaˈtropic a., of, pertaining to, or of the nature of traumat... Oxford English Dictionary
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向性
向地性(Gravitropism or geotropism),对重力的移动或生长反应。 向触性(Thigmotropism) 向水性(Hydrotropism),或又称向湿性。 向化性(Chemotropism) 向热性(Thermotropism) 其他 趋性 wikipedia.org
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Christian Ernst Stahl
(Influence of light in regards to geotropism of plants); Berlin 1884. Zur Biologie der Myxomyceten (The biology of slime mold). Leipzig 1884. wikipedia.org
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epinasty
epinasty Bot. (ˈɛpɪnæstɪ) [f. epi- + Gr. ναστός (f. νάσσειν to squeeze close) + -y3.] (See quot.)1880 C. & F. Darwin Movem. Pl. 5 The term epinasty is now often used in Germany, and implies that the upper surface of an organ grows more quickly than the lower surface, and thus causes it to bend downw... Oxford English Dictionary
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Ludwig Jost
histological issues — later on, his main field of study involved the physiology of plants; working with subjects such as: growth rhythm, nyctinasty, geotropism wikipedia.org
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