Biometric and Physiological Responses to Water Restriction in Moringa oleifera Seedlings

ABSTRACT A water deficit in the soil can cause water stress in plants, triggering morphological and physiological changes. The aim of this work was evaluate the ecophysiological development of moringa seedlings under controlled water restriction. The experimental design was completely randomized at...

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Main Authors: Michelle Conceição Vasconcelos, Joel Conceição Costa, João Paulo Silva Sousa, Fernanda Vieira Santana, Tássia Fernanda Santos Neri Soares, Luiz Fernando Ganassali de Oliveira Júnior, Renata Silva-Mann
Format: Article
Language:English
Published: Universidade Federal Rural do Rio de Janeiro 2018-12-01
Series:Floresta e Ambiente
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-80872019000100102&lng=en&tlng=en
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author Michelle Conceição Vasconcelos
Joel Conceição Costa
João Paulo Silva Sousa
Fernanda Vieira Santana
Tássia Fernanda Santos Neri Soares
Luiz Fernando Ganassali de Oliveira Júnior
Renata Silva-Mann
author_facet Michelle Conceição Vasconcelos
Joel Conceição Costa
João Paulo Silva Sousa
Fernanda Vieira Santana
Tássia Fernanda Santos Neri Soares
Luiz Fernando Ganassali de Oliveira Júnior
Renata Silva-Mann
author_sort Michelle Conceição Vasconcelos
collection DOAJ
description ABSTRACT A water deficit in the soil can cause water stress in plants, triggering morphological and physiological changes. The aim of this work was evaluate the ecophysiological development of moringa seedlings under controlled water restriction. The experimental design was completely randomized at 40, 60, 80, and 100% of field capacity and six replicates. The photosynthetic CO2 assimilation, stomatal conductance, transpiration, vapor pressure deficit, internal carbon concentration, chlorophyll a, chlorophyll b, and total chlorophyll and stem diameter, height, and number of leaves were measured at 9 a.m. during 21 days of restriction. The treatments differed for photosynthetic parameters. Moringa seedlings reduce gas exchange to adapt to water restrictions until 40% of field capacity. The alterations promoted by water restriction did not negatively affected plant development.
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spelling doaj.art-d9dd0d848e04498bb891bbba20a4e4f42022-12-21T19:24:25ZengUniversidade Federal Rural do Rio de JaneiroFloresta e Ambiente2179-80872018-12-0126110.1590/2179-8087.016515S2179-80872019000100102Biometric and Physiological Responses to Water Restriction in Moringa oleifera SeedlingsMichelle Conceição VasconcelosJoel Conceição CostaJoão Paulo Silva SousaFernanda Vieira SantanaTássia Fernanda Santos Neri SoaresLuiz Fernando Ganassali de Oliveira JúniorRenata Silva-MannABSTRACT A water deficit in the soil can cause water stress in plants, triggering morphological and physiological changes. The aim of this work was evaluate the ecophysiological development of moringa seedlings under controlled water restriction. The experimental design was completely randomized at 40, 60, 80, and 100% of field capacity and six replicates. The photosynthetic CO2 assimilation, stomatal conductance, transpiration, vapor pressure deficit, internal carbon concentration, chlorophyll a, chlorophyll b, and total chlorophyll and stem diameter, height, and number of leaves were measured at 9 a.m. during 21 days of restriction. The treatments differed for photosynthetic parameters. Moringa seedlings reduce gas exchange to adapt to water restrictions until 40% of field capacity. The alterations promoted by water restriction did not negatively affected plant development.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-80872019000100102&lng=en&tlng=enMoringaceaestressgas exchangemoringa
spellingShingle Michelle Conceição Vasconcelos
Joel Conceição Costa
João Paulo Silva Sousa
Fernanda Vieira Santana
Tássia Fernanda Santos Neri Soares
Luiz Fernando Ganassali de Oliveira Júnior
Renata Silva-Mann
Biometric and Physiological Responses to Water Restriction in Moringa oleifera Seedlings
Floresta e Ambiente
Moringaceae
stress
gas exchange
moringa
title Biometric and Physiological Responses to Water Restriction in Moringa oleifera Seedlings
title_full Biometric and Physiological Responses to Water Restriction in Moringa oleifera Seedlings
title_fullStr Biometric and Physiological Responses to Water Restriction in Moringa oleifera Seedlings
title_full_unstemmed Biometric and Physiological Responses to Water Restriction in Moringa oleifera Seedlings
title_short Biometric and Physiological Responses to Water Restriction in Moringa oleifera Seedlings
title_sort biometric and physiological responses to water restriction in moringa oleifera seedlings
topic Moringaceae
stress
gas exchange
moringa
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-80872019000100102&lng=en&tlng=en
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