2019
DOI: 10.34062/afs.v6i1.5735
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Physiological responses to drought of Cnidoscolus quercifolius Pohl in semi-arid conditions

Abstract: This study aimed to evaluate the physiological behavior of faveleira (Cnidoscolus quercifolius Pohl) plants grown in the field, in Caatinga, during wet and dry seasons. Adult plants were selected for evaluation in March and April (wet season) and May and June (dry season), during 2016. We evaluated the soil water content, water potential (Ψw), osmotic potential (Ψπ), relative water content (RWC), stomatal conductance (gs), transpiration rate (E), photosynthetic rate (A), intercellular CO2 concentration (Ci), i… Show more

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Cited by 3 publications
(2 citation statements)
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References 32 publications
(41 reference statements)
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“…Moreover, chlorophyll content in seedlings of Albizia lebbeck and Cassia siamea was found to be less under water stress [61]. Results shows similarity to [62,63] who found increased chlorophyll concentrations in AMF inoculated seedlings subjected to drought stress.…”
Section: Discussionsupporting
confidence: 64%
“…Moreover, chlorophyll content in seedlings of Albizia lebbeck and Cassia siamea was found to be less under water stress [61]. Results shows similarity to [62,63] who found increased chlorophyll concentrations in AMF inoculated seedlings subjected to drought stress.…”
Section: Discussionsupporting
confidence: 64%
“…No entanto, atenção especial deve ser dada a este último fator, evitando-se tanto o encharcamento como o déficit hídrico, pois o excesso de água reduz a disponibilidade de oxigênio para as raízes, além de aumentar a susceptibilidade das mudas ao ataque de patógenos (AVRELLA et al, 2019). Por sua vez, a baixa disponibilidade de água pode causar estresse hídrico, afetando as trocas gasosas entre as plantas e a atmosfera, reduzindo a fotossíntese e, dessa forma, comprometendo o crescimento das mesmas (ALBUQUERQUE et al, 2013;COSTA et al, 2015;FRANÇA et al, 2017;FREIRE, 2019;DIVINCULA et al, 2020).…”
Section: Introductionunclassified