Data/hora: 21/09/2024 09:14:16

Biblioteca(s): 	Embrapa Mandioca e Fruticultura.	
Data corrente: 	03/08/1992	
Data da última atualização: 	03/08/1992	
Autoria: 	LARSON, K. D.; SCHAFFER, B.; DAVIES, F. S.	
Afiliação: 	Tropical R. and Education Center IFAS, Homestead, FL 33031; Fruit Crops Dept. University of Florida Gainesville, Fl 32611.	
Título: 	Mango responses to flooding in limestone soil.	
Ano de publicação: 	1991	
Fonte/Imprenta: 	Proceedings Florida State Horticultural Society, v.104, p.33-39, 1991.	
Idioma: 	Inglês	
Conteúdo: 	The effect of soil flooding on the chemistry of two South Florida limestone soils, and on mineral nutrition, leaf gas exchange, and vegetative growth of mango (Mangifera  indica L.) trees was determined. After 1 week, concentrations of Fe and Mn were greater for anaerobically incubated than for aerobically incubated limestone soils. To determine the influence of soil flooding on mineral nutrition and net leaf gas exchange, mango trees were grown whit (+ FE) or without (- FE) iron fertilizer in containers in limestone soil, and flooded for 0 (NF), 10 (F10) or 20 (F20) days. Prior to flooding, net photosynthesis (A), total leaf chlorophyll content, and foliar Mn and Fe concentrations were less for -Fe trees than for +Fe trees. Chlorophyll content, foliar Fe and Mn concentrations increased in flooded trees relative to nonflooded trees, and this increase was greatest for the -Fe trees. Flooding resulted in reduced A; however, 184 days after imposition of flooding, A of the F20, -Fe trees was greater than that of the NF, -Fe trees. In a third experiment, containerized mango trees were grown in limestone soil and exposed to soil flooding. Trees were harvested prior to flooding, and after 2 and 4 weeks of flooding for determination of shoot dry wts and shoot: root dry wt ratios. Flooding reduced root growh, but did not affect shoot growth, resulting in an increased shoot: root ratio.	
Palavras-Chave: 	nutricao mineral.	
Thesagro: 	Mangifera Indica; Ph.	
Thesaurus Nal: 	anaerobiosis.	
Categoria do assunto: 	--	
Registro original: 	Embrapa Mandioca e Fruticultura (CNPMF)	
Exemplares: 	CNPMF - (1947-1) - ADC - AP - -- - 635.05 -  - 635.05 - DIS
CNPMF - (2979-1) - ADC - AP - -- - 635.05 -  - 635.05 - DIS