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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
16/08/2000 |
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Data da última atualização: |
04/08/2023 |
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Autoria: |
ALVES, A. A. C. |
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Afiliação: |
Embrapa-CNPMF. |
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Título: |
Physiological and developmental changes in cassava (Manihot esculenta Crantz) under water deficit. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
Cornell, EUA: Cornell University, 1998. |
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Páginas: |
160p. |
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Série: |
Tese Doutorado |
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Idioma: |
Inglês |
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Conteúdo: |
Cassava (Manihot esculenta Crantz) is an important food crop in the tropics. It is widely used in drought-prone climates, but little is known about the mechanisms by which cassava responds to water deficit environments. Cassava genotypes from five climatic zones of Brazil were grown in greenhouse conditions and subjected to water deficit and recovery treatments during the vegetative growth stage. In response to waterdeficit, cassava leaves rapidly accumulated the plant hormone abscisicacid (ABA) and correspondingly halted leaf expansion growth. Young leaves accumulated more ABA than mature leaves. Recovery was rapid: one day after rewatering, ABA concentrations returned to control levels. Other studies indicated that stomatal closure also occurred early duringwater deficit and recovered rapidly after rewatering. |
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Thesagro: |
Mandioca. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01242nam a2200145 a 4500
001 1651509
005 2023-08-04
008 1998 bl uuuu m 00u1 u #d
100 1 $aALVES, A. A. C.
245 $aPhysiological and developmental changes in cassava (Manihot esculenta Crantz) under water deficit.
260 $aCornell, EUA: Cornell University$c1998
300 $a160p.
490 $aTese Doutorado
520 $aCassava (Manihot esculenta Crantz) is an important food crop in the tropics. It is widely used in drought-prone climates, but little is known about the mechanisms by which cassava responds to water deficit environments. Cassava genotypes from five climatic zones of Brazil were grown in greenhouse conditions and subjected to water deficit and recovery treatments during the vegetative growth stage. In response to waterdeficit, cassava leaves rapidly accumulated the plant hormone abscisicacid (ABA) and correspondingly halted leaf expansion growth. Young leaves accumulated more ABA than mature leaves. Recovery was rapid: one day after rewatering, ABA concentrations returned to control levels. Other studies indicated that stomatal closure also occurred early duringwater deficit and recovered rapidly after rewatering.
650 $aMandioca
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