Glossary entry (derived from question below)
English term or phrase:
Tap roots
Portuguese translation:
raiz principl
English term
Brazil
Translation, Editing and Proofreading
Native in: English (Variants: US, Canadian, British) 
, Portuguese (Variants: European/Portugal, Brazilian)
Works in: English to Portuguese, Spanish to Portuguese, Spanish to English, and 1 more.
Tap roots
| 5 +2 | raiz principl |
Christina Paiva
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| 4 | raízes aprumadas |
Maria Teresa Borges de Almeida
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| 3 | Raízes primárias |
Ivan Rocha, CT
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| 3 | raízes pivotantes, axiais ou aprumadas |
Claudio Mazotti
|
Dec 2, 2010 17:09: changed "Kudoz queue" from "In queue" to "Public"
Proposed translations
Brazil
Science-driven Sworn Translations
Native in: Portuguese (Variant: Brazilian) 
, English (Variant: US)
Works in: Portuguese to English, English to Portuguese
raiz principl
a main root descending downward from the radicle and giving off small lateral roots.
Houaiss
eixo de uma planta vascular, que se desenvolve a partir da radícula, ger. descendente e subterrâneo, freq. com ramificações secundárias, e que serve para fixá-la a um substrato, além de absorver e conduzir água e minerais
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Note added at 10 mins (2010-12-02 17:19:35 GMT)
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Oops
raiz principal
| agree |
Marta Caldeira
: Exacto!
5 mins
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Obrigada Marta!
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| agree |
airmailrpl
: raiz principal
55 mins
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Obrigada airmailpl :)
|
Canada
Certified Translator, LL.B.
Native in: Portuguese
Works in: English to Portuguese, Portuguese to English, French to Portuguese, and 1 more.
Raízes primárias
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Note added at 8 mins (2010-12-02 17:17:39 GMT)
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http://en.wikipedia.org/wiki/Taproot
Brazil
my motto:professionalism and dedication.
Native in: Portuguese (Variant: Brazilian)
Works in: English to Portuguese, Portuguese to English
raízes pivotantes, axiais ou aprumadas
www.iac.sp.gov.br/PosIAC/pdf/pb1861701.pdf
Raiz aprumada, raiz axial ou raiz pivotante - apresentam raiz principal, coifa menor do que as demais, seu comprimento é maior que o das outras, e também ramificações ou raízes secundárias. São características de dicotiledôneas. A axial tem a função também de fazer a fotossíntese.
www.pt.wikipedia.org/wiki/Raiz
... siphonostele ectophloic organization, already has a tap root cortical ...... Raiz pivotante e fibrosa, hábitat subterrâneo nos indivíduos eretos e ...
www.bdtd.biblioteca.ufpb.br/tde_busca/arquivo.php?codArquiv...
=462
... Radiacao solar Raio Raiz Raiz aCrea Raiz axial Raiz escora Raiz nua Raiz ... Radiation Solar radiation Ray (wood) Root Aerial root Taproot Proproot ...
www.scribd.com › Research › Science
Portugal
Maria Teresa Borges de Almeida 
30+ years translating EU documents
Native in: Portuguese (Variant: European/Portugal)
Works in: English to Portuguese, French to Portuguese, Spanish to Portuguese, and 1 more.
raízes aprumadas
Domaine Sciences naturelles et appliquées
Commentaire relatif au domaine botanique générale:physiologie et histologie végétales
en Terme tap-root
Fiabilité 3 (fiable)
Réf. du terme Haensch/Haberkamp, Dict. Agriculture
Commentaire relatif au terme General Botany
Date 24/09/2003
pt Terme raiz aprumada
Fiabilité 3 (fiable)
Réf. du terme V.Correia,Eng.Agrónomo,PEDAR Vale do Lima
Date 24/09/2003
Discussion
A Christina está certa.