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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
22/09/1995 |
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Data da última atualização: |
07/04/2017 |
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Autoria: |
CERDA, A.; EYSINGA, J. P. N. L. R. van. |
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Título: |
Growth of tomato plants in a split-root system as affected by various boron levels in the nutrient solution. |
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Ano de publicação: |
1981 |
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Fonte/Imprenta: |
Netherlands Journal Agricultural Science, v.29, p.199-207, 1981. |
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Idioma: |
Inglês |
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Conteúdo: |
In a split-root system, growth characteristics and boron translocation were investigated in tomato plants in culture solutions with different B levels. Slioght B toxicity was associated with 324 umol B per litre (= 3.5 mg/litre) in the solution, while 3240 umol (= 35 mg/litre) prodiced clear symptoms. B deficiency was only observed when B was omitted from both halves of the system. A boron level of 3240 umol reduced weight of tops and roots in proportion to the parts, one or both, to which it was applied . Weight of tops, but not roots was reduced when boron was omitted from both parts of the system. There were no significant differences in growth between plants which received 32 umol B per litre in one part of the system, in combination with 0,32 of 324 umol B in the other part. B content were higher in the leaves of the side of the plant corresponding to the roots growing under high-B conditions. B content of leaves on the low-B side increased when the concentration in the high-B side was increased. This indicates a lateral movement of B. Roots which received no B in either side of the system absorved less nutrients, especially phosphate and potassium. |
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Palavras-Chave: |
Cultivation; Cultivo; Growth; Plant; Tomato. |
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Thesagro: |
Crescimento; Planta; Tomate. |
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Categoria do assunto: |
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Marc: |
LEADER 01802naa a2200229 a 4500
001 1786298
005 2017-04-07
008 1981 bl --- 0-- u #d
100 1 $aCERDA, A.
245 $aGrowth of tomato plants in a split-root system as affected by various boron levels in the nutrient solution.
260 $c1981
520 $aIn a split-root system, growth characteristics and boron translocation were investigated in tomato plants in culture solutions with different B levels. Slioght B toxicity was associated with 324 umol B per litre (= 3.5 mg/litre) in the solution, while 3240 umol (= 35 mg/litre) prodiced clear symptoms. B deficiency was only observed when B was omitted from both halves of the system. A boron level of 3240 umol reduced weight of tops and roots in proportion to the parts, one or both, to which it was applied . Weight of tops, but not roots was reduced when boron was omitted from both parts of the system. There were no significant differences in growth between plants which received 32 umol B per litre in one part of the system, in combination with 0,32 of 324 umol B in the other part. B content were higher in the leaves of the side of the plant corresponding to the roots growing under high-B conditions. B content of leaves on the low-B side increased when the concentration in the high-B side was increased. This indicates a lateral movement of B. Roots which received no B in either side of the system absorved less nutrients, especially phosphate and potassium.
650 $aCrescimento
650 $aPlanta
650 $aTomate
653 $aCultivation
653 $aCultivo
653 $aGrowth
653 $aPlant
653 $aTomato
700 1 $aEYSINGA, J. P. N. L. R. van
773 $tNetherlands Journal Agricultural Science$gv.29, p.199-207, 1981.
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Registro original: |
Embrapa Pantanal (CPAP) |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
24/09/2013 |
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Data da última atualização: |
14/02/2019 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
LIMA, W. A. A.; GREEN, M.; LOPES, R.; CUNHA, R. N. V.; RIOS, S. A. |
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Afiliação: |
WANDERLEI ANTONIO ALVES DE LIMA, CPAA; RICARDO LOPES, CPAA; RAIMUNDO NONATO VIEIRA DA CUNHA, CPAA; SARA DE ALMEIDA RIOS, CPAA. |
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Título: |
Germinação de sementes de caiaué [Elaeis oleifera (H.B.K.) Cortés]. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE SEMENTES, 18., 2013, Florianópolis. A semente na produtividade agrícola e na conservação de recursos genéticos: resumos. Informativo Abrates, v. 23, n, 2., ago. 2013. CD-ROM. |
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Idioma: |
Português |
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Palavras-Chave: |
Dendê americano; Palma de óleo; Quebra de dormência. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/90038/1/CBS-18-Wanderlei.PDF
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Marc: |
LEADER 00684nam a2200181 a 4500
001 1966970
005 2019-02-14
008 2013 bl uuuu u00u1 u #d
100 1 $aLIMA, W. A. A.
245 $aGerminação de sementes de caiaué [Elaeis oleifera (H.B.K.) Cortés].
260 $aIn: CONGRESSO BRASILEIRO DE SEMENTES, 18., 2013, Florianópolis. A semente na produtividade agrícola e na conservação de recursos genéticos: resumos. Informativo Abrates, v. 23, n, 2., ago. 2013. CD-ROM.$c2013
653 $aDendê americano
653 $aPalma de óleo
653 $aQuebra de dormência
700 1 $aGREEN, M.
700 1 $aLOPES, R.
700 1 $aCUNHA, R. N. V.
700 1 $aRIOS, S. A.
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Embrapa Amazônia Ocidental (CPAA) |
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