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	42.42 (1)
	Adaptive plant strategies (1)
	Air bubbles (emboli) (1)
	Drought stress (1)
	Embolism resistance (1)

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Article / Letter to the editor (1)

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2013 (1)

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Embolism resistance as a key mechanism to understand adaptive plant strategies

Naturalis

Lens, F.; Tixier, A.; Cochard, H.; Sperry, J.S.; Jansen, S.; Herbette, S..

One adaptation of plants to cope with drought or frost stress is to develop wood that is able to withstand the formation and distribution of air bubbles (emboli) in its water conducting xylem cells under negative pressure. The ultrastructure of interconduit pits strongly affects drought-induced embolism resistance, but also mechanical properties of the xylem are involved. The first experimental evidence for a lower embolism resistance in stems of herbaceous plants compared to stems of their secondarily woody descendants further supports this mechanical-functional trade-off. An integrative approach combining (ultra)structural observations of the xylem, safetyefficiency aspects of the hydraulic pipeline, and xylem–phloem interactions will shed more light on...

Tipo: Article / Letter to the editor

Palavras-chave: Embolism resistance; Adaptive plant strategies; Drought stress; Air bubbles (emboli); Xylem; 42.42.

Ano: 2013

URL: http://www.repository.naturalis.nl/record/453852

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Empresa Brasileira de Pesquisa Agropecuária - Embrapa Todos os direitos reservados, conforme Lei n° 9.610 Política de Privacidade Área restrita		Embrapa Parque Estação Biológica - PqEB s/n° Brasília, DF - Brasil - CEP 70770-901 Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco