Light as an indicator of ecological succession in brazilwood (Caesalpinia echinata Lam.)

Mengarda, Liana Hilda Golin; Souza, Rogério Luis Faria; Campostrini, Eliemar; Reis, Fabrício Oliveira; Vendrame, Wagner A.; Cuzzuol, Geraldo Rogério Faustini

doi:10.1590/s1677-04202009000100007

Cited by 25 publications

(36 citation statements)

References 33 publications

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“…In C. echinata, the total leaf abscission occurred within the first seven days, which confirmed the observation by Mengarda et al (2009). However, this effect is not always observed in shade plants.…”

Section: Discussionsupporting

confidence: 88%

“…In this respect, strong destabilization of the parameters of Chl a fluorescence of C. echinata in the alarm phase confirms that this species is less adapted to populating more illuminated environments (Geßler et al, 2005). Thus, the decrease in photosynthetic pigments with the prolongation of exposure to direct sunlight, the F V /F M and PI ABS photodamage and total leaf abscission in the alarm phase are strong indicators that C. echinata is a more advanced species in forest succession, as suggested by Mengarda et al (2009).…”

Section: Discussionmentioning

confidence: 58%

“…For the tropical trees, especially those native to Brazilian forests, there are increasing ongoing investigations which will bring answers in the medium term (Souza and Válio, 2003;Mengarda et al, 2009). …”

Section: Introductionmentioning

confidence: 99%

“…Its heartwood is used for manufacturing bows for string instruments of renowned international quality (Longui et al, 2010). Under direct solar radiation, C. echinata showed leaf abscission within 72 hours of exposure and decrease in photochemical efficiency of PSII (Fv/Fm), which allowed Mengarda et al (2009) to consider this species as moderately shade-tolerant.…”

Section: Introductionmentioning

confidence: 99%

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Morphological and physiological adjustments of Brazilwood (Caesalpinia echinata Lam.) to direct solar radiation

Mengarda

Milanez

Silva

et al. 2012

Braz. J. Plant Physiol.

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This study aimed to characterize the alarm and resistance phases of stress of Caesalpinia echinata under intense irradiance in order to better define its position on forest succession. The alarm phase was identified by rapid reduction in the maximum quantum yield of PSII primary photochemical reactions (φP0 = F V /F M ) and Performance Index (PI ABS ) followed by total leaf abscission in the first week of exposure to direct sunlight. The new leaves grown showed recovery of chlorophyll a parameters, increase in blade thickness, elongation of the palisade and spongy parenchymas, higher water content, and reduction of specific leaf area. These changes were associated with the osmoprotector of sucrose and antioxidative of raffinose effects, which indicate an efficient adjustment system to intense irradiance in the resistance phase of stress. However, the continuous decrease in photosynthetic pigments in the resistance phase combined with the photodamage in the fluorescence of Chl a and total abscission of leaves in the alarm phase are strong indications that C. echinata is a shade and late or climax species in forest succession.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionmentioning

confidence: 58%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Morphological and physiological adjustments of Brazilwood (Caesalpinia echinata Lam.) to direct solar radiation

Mengarda

Milanez

Silva

et al. 2012

Braz. J. Plant Physiol.

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“…As diferenças entre espécies adaptadas ao sol ou à sombra não são claras, em florestas tropicais; indivíduos podem germinar em um ambiente e se desenvolver em outro, ou mesmo em ambientes contrastantes e que se alternam, antes de atingir o dossel. Segundo Mengarda et al (2009), C. echinata seria uma espécie intermediária entre plantas tolerantes a altas intensidades luminosas e plantas com tolerância a ambientes sombreados, ocorrendo dentro de uma sucessão ecológica entre as espécies pioneiras e as espécies clímax.…”

Section: Resultsunclassified

Crescimento de mudas de pau-brasil (Caesalpinia echinata Lam.), submetidas a cinco níveis de sombreamento

et al. 2011

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Seedling development of a Brazilian wood species (Caesalpinia echinata Lam.) submitted to five levels of shadingThe aim of this study was to evaluate the growth of seedlings of Caesalpinia echinata Lam, subjected to five levels of shade. The seedlings, with 18 months of age, were subjected to 0%, 20, 40, 60 and 80% shade, obtained by with black polypropylene screen. The highest values for heights were obtained in plants grown under 20, 40 and 60% shade. Plants in full sun and 20% shade showed a higher stem base diameter; lower height/stem base diameter ratio, which reveals more balanced growth. The larger number of leaves was obtained in plants under a full sun. Considering the biomass allocation, increasing luminosity occasioned higher shoot, root and total dry mass accumulation and lower shoot/root ratios, suggesting greather investment of biomass to the roots. The highest values of Dickson´s Quality Index were observed in seedlings grown under lower levels of shading, being a good indicator of quality seedlings.

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Relationship between N, P, and K and the quality and stem structural characteristics of Caesalpinia echinata Lam. plants

Cuzzuol

Milanez

Gomes

et al. 2013

Trees

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Light as an indicator of ecological succession in brazilwood (Caesalpinia echinata Lam.)

Cited by 25 publications

References 33 publications

Morphological and physiological adjustments of Brazilwood (Caesalpinia echinata Lam.) to direct solar radiation

Morphological and physiological adjustments of Brazilwood (Caesalpinia echinata Lam.) to direct solar radiation

Crescimento de mudas de pau-brasil (Caesalpinia echinata Lam.), submetidas a cinco níveis de sombreamento

Relationship between N, P, and K and the quality and stem structural characteristics of Caesalpinia echinata Lam. plants

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