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Revista Agroecossistemas
Article . 2014 . Peer-reviewed
Data sources: Crossref
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Revista Agroecossistemas
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ASPECTOS ECOFISIOLÓGICOS E CRESCIMENTO EM PLANTAS DE MILHO SUBMETIDAS AO ALAGAMENTO

Authors: Carla Carolynne Resueno Coelho; Jaomara Nascimento da Silva; Myriam Galvão Neves; Antonia Gilcileia Cunha da Conceição; Raimundo Thiago Lima da Silva; Cândido Ferreira de Oliveira Neto;

ASPECTOS ECOFISIOLÓGICOS E CRESCIMENTO EM PLANTAS DE MILHO SUBMETIDAS AO ALAGAMENTO

Abstract

Todos os aspectos de crescimento e desenvolvimento das plantas podem ser afetados pela deficiência hídrica e saturação de água nos tecidos, causada pela excessiva demanda evaporativa e/ou limitado suprimento de água. As conseqüências na planta pelo alagamento vão ser clorose, murchamento prematuro, queda da capacidade fotossintética, do potencial hídrico e da concentração de nutrientes nas folhas e diminuição no crescimento. O objetivo desse trabalho foi avaliar os efeitos do alagamento sob conteúdo relativo de água, transpiração, condutância estomática, relação raiz/ parte aérea e massa seca total em plantas de milho submetidas ao alagamento. O experimento foi conduzido em casa de vegetação da Universidade Federal Rural da Amazônia (UFRA - Capitão - Poço), utilizando-se plantas de milho variedade BR 5102, o delineamento experimental foi inteiramente casualizado (DIC) com fatorial 2 x 4, com duas condições hídricas: controle, déficit hídrico e quatro ciclos de estresse com cinco repetições. Obtiveram-se resultados significativos em todos os parâmetros avaliados, concluindo que o alagamento influenciou negativamente na ecofisiologia da planta e na massa seca total. PALAVRAS-CHAVE: anoxia, conteúdo relativo de água, transpiração.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
gold