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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Norte / UEP-Parnaíba. |
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Data corrente: |
13/06/1996 |
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Data da última atualização: |
13/06/1996 |
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Autoria: |
WILCOX-LEE, D. |
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Afiliação: |
Cornell University. |
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Título: |
Soil matric potential, plant water relations, and growth in asparagus. |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
Hortscience, v.22, n.1, p.22-24, 1987. |
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Idioma: |
Inglês |
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Conteúdo: |
Soil moisture treatments were initiated in a greenhouse study using 14-week-old asparagus (Asparagus officinalis L. cv. Jersey Giant) seedlings. Treatments consisted of drying pots to a minimum soil matric potential ranging from -0,05 to -1,5 MPa prior to rewatering. After 10 weeks, root and fern dry weights, fern height, and shoot number were reducing soil moisture, with the largest decreases occurring between soil matric potentials of -0,05 and -0,1 MPa. Root: shoot ratios increased with decreasing soil moisture. In a growth chamber study, 4-month-old seedlings were watered pot capacity and allowed to dry to a soil matric potential of -1,5 MPa. Xylem potential, relative water content (RWC), and shoot growth were measured daily as soil dried from field capacity to -1,5 MPa. Xylem potential was correlated with growth or RWC. Shoot growth ceased at a fern xylem potential of -1,8MPa. RWC was reduced from -95% at pot capacity to 80% at a soil matric potential of -1,5MPa. These data indicate that asparagus exhibits characteristics of drought tolerance. However, despite its apparent drought-tolerance, maximum growth occurs in young asparagus plants when soil water potential is close to field capacity, indicating that consistent irrigation would be beneficial in newly established plantings. |
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Palavras-Chave: |
Asparagus; Growth; Plant; Relacao; Relation. |
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Thesagro: |
Água; Aspargo; Crescimento; Planta; Solo. |
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Thesaurus Nal: |
soil; water. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01919naa a2200265 a 4500
001 1077423
005 1996-06-13
008 1987 bl --- 0-- u #d
100 1 $aWILCOX-LEE, D.
245 $aSoil matric potential, plant water relations, and growth in asparagus.
260 $c1987
520 $aSoil moisture treatments were initiated in a greenhouse study using 14-week-old asparagus (Asparagus officinalis L. cv. Jersey Giant) seedlings. Treatments consisted of drying pots to a minimum soil matric potential ranging from -0,05 to -1,5 MPa prior to rewatering. After 10 weeks, root and fern dry weights, fern height, and shoot number were reducing soil moisture, with the largest decreases occurring between soil matric potentials of -0,05 and -0,1 MPa. Root: shoot ratios increased with decreasing soil moisture. In a growth chamber study, 4-month-old seedlings were watered pot capacity and allowed to dry to a soil matric potential of -1,5 MPa. Xylem potential, relative water content (RWC), and shoot growth were measured daily as soil dried from field capacity to -1,5 MPa. Xylem potential was correlated with growth or RWC. Shoot growth ceased at a fern xylem potential of -1,8MPa. RWC was reduced from -95% at pot capacity to 80% at a soil matric potential of -1,5MPa. These data indicate that asparagus exhibits characteristics of drought tolerance. However, despite its apparent drought-tolerance, maximum growth occurs in young asparagus plants when soil water potential is close to field capacity, indicating that consistent irrigation would be beneficial in newly established plantings.
650 $asoil
650 $awater
650 $aÁgua
650 $aAspargo
650 $aCrescimento
650 $aPlanta
650 $aSolo
653 $aAsparagus
653 $aGrowth
653 $aPlant
653 $aRelacao
653 $aRelation
773 $tHortscience$gv.22, n.1, p.22-24, 1987.
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Registro original: |
Embrapa Meio Norte / UEP-Parnaíba (CPAMN-UEPP) |
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Biblioteca |
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Classificação |
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Registro |
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URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
20/06/2000 |
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Data da última atualização: |
09/06/2018 |
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Tipo da produção científica: |
Artigo em Anais de Congresso |
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Autoria: |
SOUZA, I. R. P.; MAGALHAES, P. C.; MEYER, L. E.; PIRES, N. M.; ANDRADE, C. L. T. |
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Afiliação: |
ISABEL REGINA PRAZERES DE SOUZA, CNPMS; PAULO CESAR MAGALHAES, CNPMS. |
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Título: |
Alterações morfo-fisiológicas no grão de pólen e atividade da alcool desidrogenase em milho sob diferentes frequências de encharcamento. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
In: CONGRESSO NACIONAL DE MILHO E SORGO, 23., 2000, Uberlândia, MG. A inovação tecnológica e a competividade no contexto dos mercados globalizados: resumos expandidos. Sete Lagoas: ABMS: Embrapa Milho e Sorgo; Uberlândia: Universidade Federal de Uberlandia, 2000. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Português |
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Palavras-Chave: |
Alcohol; Dehydrogenase; Encharcamento; Maize; Waterlogging. |
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Thesagro: |
Álcool; Desidrogenase; Milho; Pólen; Zea Mays. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/32913/1/Alteracoes-morfo.pdf
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Marc: |
LEADER 01030nam a2200277 a 4500
001 1484036
005 2018-06-09
008 2000 bl uuuu u00u1 u #d
100 1 $aSOUZA, I. R. P.
245 $aAlterações morfo-fisiológicas no grão de pólen e atividade da alcool desidrogenase em milho sob diferentes frequências de encharcamento.$h[electronic resource]
260 $aIn: CONGRESSO NACIONAL DE MILHO E SORGO, 23., 2000, Uberlândia, MG. A inovação tecnológica e a competividade no contexto dos mercados globalizados: resumos expandidos. Sete Lagoas: ABMS: Embrapa Milho e Sorgo; Uberlândia: Universidade Federal de Uberlandia$c2000
300 $c1 CD-ROM.
650 $aÁlcool
650 $aDesidrogenase
650 $aMilho
650 $aPólen
650 $aZea Mays
653 $aAlcohol
653 $aDehydrogenase
653 $aEncharcamento
653 $aMaize
653 $aWaterlogging
700 1 $aMAGALHAES, P. C.
700 1 $aMEYER, L. E.
700 1 $aPIRES, N. M.
700 1 $aANDRADE, C. L. T.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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