Tolérance à l’engorgement d’eau chez les arbrisseaux de Parkia gigantocarpa Ducke

Auteurs

ederal Rural University of the Amazon Forest Sciences Department Laboratory of Biodiversity Studies of Upper Plants 66.077-830 Campus Belém, Pará Brazil
Benedito Gomes dos Santos Filho
Federal Rural University of the Amazon Institute of Agronomists Sciences 66.077-830 Campus Belém, Pará Brazil
Cândido Ferreira de Oliveira Neto
Federal Rural University of the Amazon Forest Sciences Department Laboratory of Biodiversity Studies of Upper Plants 66.077-830 Campus Belém, Pará Brazil
Eniel David Cruz
Brazilian Agricultural Research Corporation (Embrapa) 66017-970 Belém, Pará Brazil
Ricardo Shigueru Okumura
Federal Rural University of the Amazon Institute of Agronomists Sciences 66.077-830 Campus Belém, Pará Brazil University of the Amazon (UFRA) Agronomy student at Federal Rural Belém, Pará Brazil
Vitor Resende do Nascimento
Federal Rural University of the Amazon Forest Sciences Department Laboratory of Biodiversity Studies of Upper Plants 66.077-830 Campus Belém, Pará Brazil
Jéssica Taynara da Silva Martins
Federal Rural University of the Amazon Institute of Agronomists Sciences 66.077-830 Campus Belém, Pará Brazil Federal University of Santa Maria Fitotecnia Department 97105-900 Campus Sede Santa Maria, Rio Grande do Sul Brazil
Liliane Corrêa Machado
Federal Rural University of the Amazon Institute of Agronomists Sciences 66.077-830 Campus Belém, Pará Brazil Federal University of Santa Maria Fitotecnia Department 97105-900 Campus Sede Santa Maria, Rio Grande do Sul Brazil
Diana Jhulia Palheta de Sousa
Federal Rural University of the Amazon Institute of Agronomists Sciences 66.077-830 Campus Belém, Pará Brazil
Jéssica Suellen Silva Teixeira
Federal Rural University of the Amazon Institute of Agronomists Sciences 66.077-830 Campus Belém, Pará Brazil

DOI :

https://doi.org/10.19182/bft2019.341.a31759

Mots-clés


amidon, saccharose, hydrates de carbone solubles totaux, protéines solubles totales, Brésil

Résumé

Cette étude se propose d’évaluer les réponses biochimiques des arbrisseaux de Parkia gigantocarpa devant l’engorgement d’eau. L’engorgement est appliqué en inondant les arbrisseaux dans des pots de 14 kg jusqu’à approximativement 5 cm au-dessus de la surface du sol. Le plan expérimental a été façonné aléatoirement et comprenait deux types d’application de l’eau (contrôle et engorgement) sur cinq périodes d’évaluation (après 0, 4, 8, 12 et 16 jours d’engorgement), avec cinq réplications par traitement. Amidon, saccharose, hydrates de carbone solubles totaux et protéines solubles totales ont été mesurés. Les arbrisseaux soumis à engorgement ont montré des réductions significatives des concentrations d’amidon (62,50 %) et de protéines solubles totales (40,98 %), en particulier dans les feuilles. L’engorgement a réduit la concentration de saccharose dans les feuilles (44,38 %), tandis que cette concentration a augmenté dans les racines (76,78 %). La concentration d’hydrates de carbone solubles a augmenté de 106,9 % dans les racines des plantes exposées à l’engorgement. Cette étude a démontré la sensibilité des arbrisseaux de Parkia gigantocarpa à l’engorgement.

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Numéro

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ARTICLES SCIENTIFIQUES
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  • Résumé
    329
  • PDF
    208

Reçu

2019-07-11

Accepté

2019-07-11

Publié

2019-07-20

Comment citer

Viana de Andrade Júnior, W., Gomes dos Santos Filho, B., Ferreira de Oliveira Neto, C., Cruz, E. D., Shigueru Okumura, R., Resende do Nascimento, V., Taynara da Silva Martins, J., Corrêa Machado, L., Palheta de Sousa, D. J., & Silva Teixeira, J. S. (2019). Tolérance à l’engorgement d’eau chez les arbrisseaux de Parkia gigantocarpa Ducke. BOIS & FORETS DES TROPIQUES, 341, 79–86. https://doi.org/10.19182/bft2019.341.a31759