Data/hora: 05/06/2024 00:19:50

Biblioteca(s): 	Embrapa Mandioca e Fruticultura.	
Data corrente: 	17/02/2000	
Data da última atualização: 	17/02/2000	
Autoria: 	JONES, M. M.; RAWSON, H. M.	
Afiliação: 	Department of Environmental Biology, Research School of Biological Sciences, Australian National University, Camber City, A.C.T., Australia and Division of Plant Industry, CSIRO, Camber City, A.C.T., Australia.	
Título: 	Influence of rate of developmente of leaf water deficits upon photosynthesis, leaf conductance, water use efficiency, and osmotic potential in sorghum.	
Ano de publicação: 	1979	
Fonte/Imprenta: 	Physiol. Plant., v.45, p.103-111, 1979.	
Idioma: 	Inglês	
Conteúdo: 	This estudy the effect of rate of development of leaf water deficits in soil-grown sorghum (Sorghum bicolor) on the relationship of net photosynthesis, leaf conductance, and water use efficiency to leaf water potential, and on the degree of solute accumulation (osmotic adjustiment). Recovery of these processes on rewatering, and responses during a second stress cycle were also studied. The most rapid rate of stress (1.2 MPa day-1) resulted in no solute accumulation and the lowest rate of net photosynthesis and leaf conductance for any given leaf water potential during stress. Stress at 0.7 and 0.15 MPa day-1 led to equal solute accumulations of approximately 0.6 MPa, but net photosynthesis, leaf conductance, and water use efficiency at a given leaf water potential were lower with the faster rate of stress (0.7 MPa day-1). 	
Categoria do assunto: 	--	
Registro original: 	Embrapa Mandioca e Fruticultura (CNPMF)	
Exemplares: 	CNPMF - (17685-1) - ADD - SP - -- - S11745 -  - S11745 - DIS