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	Provedor de dados RChHN (1) Autor CIPRIOTTI,PABLO A (1) GUNDEL,PEDRO E (1) ROTUNDO,JOSÉ L (1) Palavra-chave Arid lands (1) Drought (1) Ecotypes (1) Genetic variation (1) Soil depth (1) Tipo do documento Journal article (1) Ano 2006 (1) País Chile (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Morphological and growth responses to water stress of two sub-populations of Bromus pictus from soils with contrasting water availability RChHN ROTUNDO,JOSÉ L; CIPRIOTTI,PABLO A; GUNDEL,PEDRO E. We studied morphological and growth responses to drought of two sub-populations of Bromus pictus from communities with soils with different water availability from the Patagonian steppe. After a process of acclimatization common to both sub-populations, individuals from both sub-populations were subjected to three levels of water availability during 44 days. Independently of the water availability treatment, the sub-population from the community of high soil water availability showed higher aboveground relative growth rate (RGR) and higher leaf size (area and weight) compared to the sub-population from the community of low soil water availability. These results prove the expected evolution of higher growth rates and leaf sizes in resource rich... Tipo: Journal article Palavras-chave: Arid lands; Drought; Ecotypes; Genetic variation; Soil depth. Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2006000100006 Registros recuperados: 1 Primeira ... 1 ... Última

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