Seasonality and the Relationships Between Reproductive and Leaf Phenophases In Myrtaceae Using Field and Herbarium Data

Orellana, Jonathan Tejeda; Nascimento, Jociene Oliveira Vitória; Grilo, J.; Neves, Sâmia Paula Santos; Miranda, Lia d’Afonsêca Pedreira de; Funch, Lígia Silveira

doi:10.1590/2179-8087-floram-2020-0035

Cited by 4 publications

(2 citation statements)

References 13 publications

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“…The Rayleigh test (Z) determined if the data were distributed uniformly throughout the year (p > 0.05) (Zar, 2010). We examined correlations between leaf and reproductive phenophases data using Spearman's correlation coefficients (rs), calculated using BioStat 5.8.3.1 software (Orellana et al, 2021). The normality of the phenological data was tested based on Shapiro & Wilk (Zar, 2010).…”

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confidence: 99%

Inflorescence Position Influences Phenological Rhythms in Leguminosae Species

et al. 2021

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We present a case study focusing on the influence of inflorescence position on the relationships between foliar and reproductive phases, focusing on three Leguminoseae tree species in the Chapada Diamantina, Brazil. Both Senna multijuga and Copaifera langsdorffii produce terminal panicles and showed vegetative and reproductive phenophases that were correlated but segregated in time, with the marked concentration of reproductive data. The presence of axillary inflorescences on Inga cayennensis enables the simultaneous production of both flowers and leaves, without the segregation or the correlation of those phases, with a uniform distribution of reproductive data. This study encourages further investigations regarding the effects of inflorescence position on plant phenology.

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confidence: 99%

Inflorescence Position Influences Phenological Rhythms in Leguminosae Species

et al. 2021

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“…This survey of the species was part of a forest tree monitoring project in the Atlantic Forest (initiated in November 2013) that presented the opportunity of examining variations in the rhythms of leaf fall, flushing, flowering, and fruiting associated with environmental variables and plant traits, and was mainly designed to subsidize fruit and seed production. Phenological studies are important tools for understanding the factors that influence D. nigra reproduction and seed production in areas where selective logging has strongly impacted their habitat (Guariguata & Ostertag, 2001;Orellana et al, 2020).…”

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confidence: 99%

Environmental and Plant Variables Influence Dalbergia nigra (Fabaceae) Phenology - Implications for Seed Production

et al. 2022

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Studies of plant phenology in the Atlantic Forest can be enhanced by a greater understanding of the factors regulating vegetative and reproductive cycles. Dalbergia nigra (Vell.) Allemão ex Benth. is endemic and vulnerable in the Atlantic Forest. We analyzed abiotic aspects and plant traits that modulate the phenologies of D. nigra by monitoring 135 individuals in four subpopulations from different remnant forests for 24 months. The growth and shapes of the plants, as well as environmental variables, were determined. Circular analysis evidenced phenological variations among subpopulations and evaluation periods. Multiple factor analysis evidenced that phenological variations are mainly correlated with precipitation, temperature, and tree height. The combination of environmental conditions and plant characteristics affect synchronicity and phenological intensity. Low fruiting intensity (less than 50%) limits seed production and recruitment. We emphasize the importance of forest remnants and the need to increase D. nigra populations in future reforestation projects.

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