etiolation


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

etiolation

[‚ed·ē·ə′lā·shən]
(botany)
The yellowing or whitening of green plant parts grown in darkness.
References in periodicals archive ?
In shading situations, auxin is laterally redistributed to the epidermis and cortical cells of the hypocotyl, causing the elongation of these tissues and then, the etiolation (MORELLI; RUBERTI, 2000).
The extra proteins present in V- -seedlings probably were not the same proteins which were present in dark grown seedlings though V- -seedlings also show near etiolation response.
Etiolation in the dark helps the seedling to force its way through the soil before expending all its energy.
the dialect of an effete social clique, half awake of its own etiolation, capitalising linguistic affectations to convert them to caste marks .
cotyledon damping off direct-seeding emergence etiolation [F.
Occurrence of chlorophyll precursors in leaves of cabbage heads--the case of natural etiolation.
The etiolation of masculine violence is evident elsewhere (in the Physiologie) in the figure of the minotaur, who represents perfectly the slip from the threatening power of the domineering husband to the ridiculousness and passivity of the cuckold (11: 986-87), a decline which is expressed grammatically in the shift from the noun minotaure to the comical past participle minotaurise.
Brassinosteroids are able to influence several physiological plant processes, including cell division and elongation, biomass accumulation, reproduction, vascular development, etiolation, interaction with other hormones and environmental factors, and ethylene biosynthesis induction (Sasse 1990).
In some cases, stock plant etiolation, which is the reduction of light levels, has been shown to increase rooting in difficult-to-root species (Hartmann et al.
It was generally observed in the field that a low level of shade in the morning or afternoon increased stem elongation or etiolation, which potentially allowed shaded plots to maintain similar percentage lateral RG values as full-irradiance plots.
When a plant does not receive enough light to enable it to make food efficiently through the process of photosynthesis, it is in a state known as etiolation.