Ecophysiological performance of Calotropis procera: an exotic and evergreen species in Caatinga, Brazilian semi-arid

Frosi, Gabriella; Oliveira, Marciel T.; Almeida-Cortez, Jarcilene S.; Santos, Mariana

doi:10.1007/s11738-012-1076-x

Cited by 26 publications

(33 citation statements)

References 13 publications

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“…), which may be related to the higher concentrations and contents of inorganic N forms and SPs (Table ). Our results showed that drought stress significantly diminished photosynthetic pigment concentrations (Chl a , Chl b and Car), which could be another reason for the low P n rate under drought conditions (Frosi et al , Rivas et al ) because leaf dehydration causes damage to lamellae vesiculation and chloroplast membranes (Anjum et al ). Moreover, P application significantly improved Chl a and Chl b concentrations and resulted in a high P n rate in fertilized drought‐stressed plants because leaves with high chlorophyll concentrations can harvest a large amount of light over a short period of time.…”

Section: Discussionmentioning

confidence: 69%

Impact of phosphorus application on drought resistant responses of Eucalyptus grandis seedlings

Tariq

Pan

Olatunji

et al. 2019

Physiologia Plantarum

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Eucalyptus grandis is the most widely planted tree species worldwide and can face severe drought during the initial months after planting because the root system is developing. A complete randomized design was used to study the effects of two water regimes (well‐watered and water‐stressed) and phosphorus (P) applications (with and without P) on the morphological and physio‐biochemical responses of E. grandis. Drought had negative effects on the growth and metabolism of E. grandis, as indicated by changes in morphological traits, decreased net photosynthetic rates (Pn), pigment concentrations, leaf relative water contents (LRWCs), nitrogenous compounds, over‐production of reactive oxygen species (ROS) and higher lipid peroxidation. However, E. grandis showed effective drought tolerance strategies, such as reduced leaf area and transpiration rate (E), higher accumulation of soluble sugars and proline and a strong antioxidative enzyme system. P fertilization had positive effects on well‐watered seedlings due to improved growth and photosynthesis, which indicated the high P requirements during the initial E. grandis growth stage. In drought‐stressed seedlings, P application had no effects on the morphological traits, but it significantly improved the LRWC, Pn, quantum efficiency of photosystem II (Fv/Fm), chlorophyll pigments, nitrogenous compounds and reduced lipid peroxidation. P fertilization improved E. grandis seedling growth under well‐watered conditions but also ameliorated some leaf physiological traits under drought conditions. The effects of P fertilization are mainly due to the enhancement of plant N nutrition. Therefore, P can be used as a fertilizer to improve growth and production in the face of future climate change.

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Section: Discussionmentioning

confidence: 69%

Impact of phosphorus application on drought resistant responses of Eucalyptus grandis seedlings

Tariq

Pan

Olatunji

et al. 2019

Physiologia Plantarum

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“…Other studies reported that water deficit may promote a decrease in SS (Frosi et al 2013). The maintenance of FAA and TSP in P. aquatica plants of the severe treatment, under maximum stress, suggests a decrease in growth.…”

Section: Discussionmentioning

confidence: 75%

“…In general, under water defi cit, the leaf metabolism of woody tropical species changes, resulting in changes in water potential, gas exchange, chlorophyll fl uorescence, organic solute contents and photosynthetic pigment (Frosi et al 2013;Rivas et al 2013;Oliveira et al 2014). Some species decrease their photosynthetic pigments and accumulate organic solutes without showing a faster recovery of the photosynthetic activity, while other species show the opposite behavior (Souza et al 2010;Rivas et al 2013;Oliveira et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Different physiological responses under drought stress result in different recovery abilities of two tropical woody evergreen species

et al. 2017

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Th e eff ects of water defi cit on physiological and biochemical variables of young plants of two tropical woody species, Pachira aquatica and Sterculia foetida, and their recovery abilities were measured. Leaf water potential, gas exchange and selected carbon metabolism components were measured in a greenhouse experiment with control, moderate and severe water defi cit treatments. Under severe drought stress, gas exchange and chlorophyll fl uorescence decreased in both species compared to their respective controls. After rehydration, P. aquatica and S. foetida showed a partial and full recovery of the measured variables, respectively. In addition, a decrease and an increase in photosynthetic pigments were observed for P. aquatica and S. foetida, respectively, compared to their controls. In conclusion, the two species showed diff ering responses regarding photosynthetic pigment content dynamics for tolerating water defi cit. Individuals of P. aquatica in the severe water defi cit treatment showed a decrease in pigments, which may have impaired the recovery of metabolism (gas exchange) after rehydration, while S. foetida experienced an increase, favoring a full recovery of gas exchange and biochemical metabolism after rehydration.

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“…These features have resulted in studies on characterization of fruits and on seed biometry (OLIVEIRA-BENTO et al, 2013), germination (SILVA et al, 2009;OLIVEIRA-BENTO et al, 2013), phenology (SOBRINHO et al, 2013;FARAHAT et al, 2015), growth (OLIVEIRA et al 2009), bromatological composition (OLIVEIRA;SOUTO, 2009), oil and fatty acid content (BARBOSA et al, 2014), water-stress tolerance (BOUTRAA, 2010;RAMADAN et al, 2014 ), ecophysiology (FROSI et al 2013), and seed storage (OLIVEIRA-BENTO et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Characterization and Early Selection of Silk Blossom ( Calotropis Procera ) Genotypes With Forage Potential

et al. 2017

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-This study aimed to characterize and select silk blossom genotypes (Calotropis procera) with forage potential. Between April and July 2014, we cultivated 89 genotypes in plastic tubes arranged in a randomized block design with three replications; each experimental plot was composed of 8 plants. The following characteristics were evaluated: plant height (PH), stem diameter (SD), number of leaves (NL), total leaf area (TLA), leaf fresh mass (LFM), stem fresh mass (SFM), root fresh mass (RFM), leaf dry mass (LDM), stem dry mass (SDM), and root dry mass (RDM). Significant differences (p < 0.05) among genotypes were observed for all characteristics, except for NL at 45 and 60 days after sowing (DAS) and for RFM at 60 DAS. Broad-sense heritability estimates and genotype means had medium and high values for most characteristics. Genetic variability among C. procera genotypes was observed. High gain selection was found for the characteristics TLA, PH, SFM, LFM, SDM, and LDM as the genotypes 79, 65, 48, 12, 51, 35, 63, 25, 1, and 46 are suitable for future breeding works to improve forage production.

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Ecophysiological performance of Calotropis procera: an exotic and evergreen species in Caatinga, Brazilian semi-arid

Cited by 26 publications

References 13 publications

Impact of phosphorus application on drought resistant responses of Eucalyptus grandis seedlings

Impact of phosphorus application on drought resistant responses of Eucalyptus grandis seedlings

Different physiological responses under drought stress result in different recovery abilities of two tropical woody evergreen species

Characterization and Early Selection of Silk Blossom ( Calotropis Procera ) Genotypes With Forage Potential

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