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17. | | REIS, G. G. dos; REIS, M. das G. F. Fisiologia da brotacao de eucalipto com enfase nas suas relacoes hidricas. Serie Tecnica IPEF, Piracicaba, v. 11, n. 30, p. 9-22, maio 1997. Reuniao Tecnica sobre Manejo de Brotacao de Eucalyptus, 4., 1997, Piracicaba. Memoria. Biblioteca(s): Embrapa Florestas. |
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Registros recuperados : 80 | |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
05/04/1994 |
Data da última atualização: |
26/10/2023 |
Autoria: |
REIS, G. G. dos. |
Afiliação: |
GERALDO GONCALVES DOS REIS, CPATU. |
Título: |
Responses of intact and resprouted Eucalyptus camaldulensis Dehn. plants to drought. |
Ano de publicação: |
1984 |
Fonte/Imprenta: |
Riverside: University of California, 1984. |
Páginas: |
134 p. |
Idioma: |
Inglês |
Notas: |
Ph.D. Dissertation. |
Conteúdo: |
The extent to which Eucalyptus camaldulensis trees, growing in very deep soil; and rooted cuttings in pots maintain their leaf water status under drought, and the significance of root activity and changes in leaf stomatal conductance to dehydration avoidance were studied. In the field, E camaldulensis maintained relatively high leaf water potentials even though they were not supplied with irrigation or rain for up to 58 days. Recently irrigated and droughted trees exhibited greater stomatal opening during the early moning and partial stomatal closure during the time of day when evaporative demand was hithin two weeks after irrigation, partial stomatal closure occured earlier in the day leaf conductances were lower during the afternoon than those of recently irrigated tress. The substantial dehydration avoidance of E. camaldulensis appeared to be partialy due to sensitive stomatal closure in response to drought, induced by either soil water depletion or high evaporative demand. Extraction of soil moisture progressively deeper in the soil profile also would have contributed to dehydration avoidance. |
Palavras-Chave: |
Leaf; Plant; Resistance; Root; Stomatal; Tree. |
Thesagro: |
Água; Árvore; Estômato; Eucalipto; Eucalyptus Camaldulensis; Fisiologia; Folha; Planta; Raiz; Resistência; Seca. |
Thesaurus NAL: |
drought; physiology; water. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01995nam a2200373 a 4500 001 1402259 005 2023-10-26 008 1984 bl uuuu m 00u1 u #d 100 1 $aREIS, G. G. dos 245 $aResponses of intact and resprouted Eucalyptus camaldulensis Dehn. plants to drought. 260 $aRiverside: University of California$c1984 300 $a134 p. 500 $aPh.D. Dissertation. 520 $aThe extent to which Eucalyptus camaldulensis trees, growing in very deep soil; and rooted cuttings in pots maintain their leaf water status under drought, and the significance of root activity and changes in leaf stomatal conductance to dehydration avoidance were studied. In the field, E camaldulensis maintained relatively high leaf water potentials even though they were not supplied with irrigation or rain for up to 58 days. Recently irrigated and droughted trees exhibited greater stomatal opening during the early moning and partial stomatal closure during the time of day when evaporative demand was hithin two weeks after irrigation, partial stomatal closure occured earlier in the day leaf conductances were lower during the afternoon than those of recently irrigated tress. The substantial dehydration avoidance of E. camaldulensis appeared to be partialy due to sensitive stomatal closure in response to drought, induced by either soil water depletion or high evaporative demand. Extraction of soil moisture progressively deeper in the soil profile also would have contributed to dehydration avoidance. 650 $adrought 650 $aphysiology 650 $awater 650 $aÁgua 650 $aÁrvore 650 $aEstômato 650 $aEucalipto 650 $aEucalyptus Camaldulensis 650 $aFisiologia 650 $aFolha 650 $aPlanta 650 $aRaiz 650 $aResistência 650 $aSeca 653 $aLeaf 653 $aPlant 653 $aResistance 653 $aRoot 653 $aStomatal 653 $aTree
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