Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 400188
Title The hyperhydricity syndrome: waterlogging of plant tissues as a major cause
Author(s) Rojas Martinez, L.I.; Visser, R.G.F.; Klerk, G.J.M. de
Source Propagation of ornamental plants 10 (2010)4. - ISSN 1311-9109 - p. 169 - 175.
Department(s) Laboratory of Plant Breeding
WUR Plant Breeding
Publication type Refereed Article in a scientific journal
Publication year 2010
Keyword(s) gypsophila-paniculata l - in-vitro - oxidative stress - carnation shoots - signal-transduction - hydrogen-peroxide - vitrification - culture - potato - water
Abstract Hyperhydricity (also known as ‘vitrification’) is a physiological disorder in tissue-cultured plant material, which causes a reduction of propagation and death of tissues when transferred to ex vitro conditions. A plethora of causes has been mentioned in literature. We consider this disorder as the result of the stressful conditions brought about by waterlogging of the apoplast. This causes hypoxia and thereby leads to severe oxidative stress. We argue that hyperhydric features like vitreous appearance and wrinkled leaves are secondary events resulting from waterlogging of the apoplast. With the use of readily available technologies, the molecular components of hyperhydricity can be dissected.
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