2012
DOI: 10.1590/s1677-04202012000300005
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Physiological and biochemical responses to drought stress in Barbados cherry

Abstract: To evaluate physiological genotypic differences between two Barbados cherry genotypes (13-and 14-CPA) under water deficit, initial growth, water relations, and organic solute accumulation were evaluated in an experiment performed using four-month-old seedlings, which were subjected to four water treatments (100, 75, 50, and 25% of field capacity), with five replications. Severe water deficit (25% of field capacity) negatively affected plant height, stem diameter, leaf area, dry matter of the leaves and stem to… Show more

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Cited by 35 publications
(27 citation statements)
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“…Recent studies indicate that the main function of amino acid accumulation may be related to the osmotic adjustment (Sircelj et al 2005, Silva et al 2009, Medeiros et al 2012. In the present work, increases were observed in amino acid concentrations in the water suppression treatment, what may attest the function of osmoregulation and/or osmoprotection of these compounds.…”
Section: Discussionsupporting
confidence: 63%
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“…Recent studies indicate that the main function of amino acid accumulation may be related to the osmotic adjustment (Sircelj et al 2005, Silva et al 2009, Medeiros et al 2012. In the present work, increases were observed in amino acid concentrations in the water suppression treatment, what may attest the function of osmoregulation and/or osmoprotection of these compounds.…”
Section: Discussionsupporting
confidence: 63%
“…Increase in soluble carbohydrate content may occur at the beginning of stress as a result of growth cessation and by the intensity of water deficit, due to starch degradation (Pimentel 1999, Sircelj et al 2005, Medeiros et al 2012. In the present study, soluble carbohydrates increased in leaves and roots likely due to growth interruption (Table 6).…”
Section: Discussionmentioning
confidence: 46%
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“…Medeiros et al . have confirmed a drought stress‐related decline in the growth of a diversity of plants. Water stress commonly reduces the FW of crop plants .…”
Section: Discussionmentioning
confidence: 60%