GRAVITROPISMO EN LAS PLANTAS PDF

Akigor Variation in LAR was in general low, climbing plants tend to present higher values than either creeping or hanging ones. Mechanical stimulation-induced cross-adaptation in fravitropismo In the present study the effects of aqueous extracts of S. Control, untreated climbing plants had thicker leaves than creeping and hanging ones. The intercellular space fraction occupied a relatively low proportion of leaf cross-sections i.

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WhatsApp El geotropismo es la influencia de la gravedad en el movimiento de las plantas. Muchos estudios han demostrado que distintas zonas de la planta crecen en direcciones opuestas Chen et al. Estos movimientos mediados por la gravedad garantizan que las plantas realicen sus funciones adecuadamente. Figura 1. Ejemplo de geotropismo en una planta. Se ha demostrado que este proceso requiere el transporte de una hormona de crecimiento llamada auxina, dicho transporte se conoce como transporte polar de auxinas Chen et al.

Referencias Chen, R. Gravitropism in Higher Plants. Plant Physiology, , — Ge, L. Negative gravitropism in plant roots. Nature Plants, , 17— Hangarter, R. Gravity, light and plant form. Plant, Cell and Environment, 20, — Masson, P. Morita, M.

Directional Gravity Sensing in Gravitropism. Annual Review of Plant Biology, 61, — The Physiology of Flowering Plants. Press, Ed. Sato, E. New insights into root gravitropic signalling. Journal of Experimental Botany, 66 8 , — Taiz, L. Plant Physiology 3rd ed. Sinauer Associates. Toyota, M. Gravitropism and mechanical signaling in plants. American Journal of Botany, 1 , — Wolverton, C. Root cap angle and gravitropic response rate are uncoupled in the Arabidopsis pgm-1 mutant.

Physiologia Plantarum, , —

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