Fenologia de Chrysophyllum gonocarpum (Mart. &amp; Eichler) Engl. (Sapotaceae) em floresta semidecídua do Sul do Brasil

Bianchini, Edmilson; Pimenta, José Antônio; Santos, Flávio Antonio Maës dos

doi:10.1590/s0100-84042006000400009

Cited by 15 publications

(13 citation statements)

References 32 publications

(46 reference statements)

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“…At each census, the phenophases were quantified, as a proportion of the crown, using a 0-3 scale (0 -absent phenophase, 1 -up to 30% of the crown presents phenophase, 2 -from 30% to 60% of the crown presents phenophase, 3 -more than 60% of the crown presents phenophase) (Bianchini et al, 2006).…”

Section: Methodsmentioning

confidence: 99%

“…Rain seasonality associated with temperature and photoperiod seasonalities, as observed in southern Brazil, can generate a seasonal phenological pattern in forest species, as observed by Marques et al (2004) and Bianchini et al (2006).…”

Section: Introductionmentioning

confidence: 94%

“…Although, the seasons are less evident in the tropics than in the temperate regions, several studies showed seasonality in leaf change and reproductive phenology in the tropics (Reich, 1995;Justiniano and Fredericksen, 2000;Morellato et al, 2000;Shanahan et al, 2001;Bianchini et al, 2006;Singh and Kushwaha, 2006).…”

Section: Introductionmentioning

confidence: 99%

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Phenology of two Ficus species in seasonal semi-deciduous forest in Southern Brazil

et al. 2015

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We analyzed the phenology of Ficus adhatodifolia Schott ex Spreng. (23 fig tree) and F. eximia Schott (12 fig tree) for 74 months in a remnant of seasonal semi-deciduous forest (23°27'S and 51°15'W), Southern Brazil and discussed their importance to frugivorous. Leaf drop, leaf flush, syconia production and dispersal were recorded. These phenophases occurred year-round, but seasonal peaks were recorded in both leaf phenophases for F. eximia and leaf flushing for F. adhatodifolia. Climatic variables analyzed were positively correlated with reproductive phenophases of F. adhatodifolia and negatively correlated with the vegetative phenophases of F. eximia. In despite of environmental seasonality, little seasonality in the phenology of two species was observed, especially in the reproductive phenology. Both species were important to frugivorous, but F. adhatodifolia can play a relevant role in the remnant. Keywords

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 94%

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Phenology of two Ficus species in seasonal semi-deciduous forest in Southern Brazil

et al. 2015

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“…Porém, quando considerado o número de espécies houve correlação entre precipitação média histórica e as fenofases brotamento e folhas adultas, pois a variação nos índices pluviométricos de um ano em particular deve ser menos importante para as plantas (BIANCHINI et al, 2006). Para o número de espécies na fenofase, o brotamento se correlacionou diretamente com as temperaturas do mês de observação e da média histórica, pois na maioria das espécies o brotamento está correlacionado com o aumento da temperatura média (MARCHIORETTO et al, 2007).…”

Section: Discussionunclassified

Fenologia de espécies arbóreas em um fragmento florestal localizado no Extremo Oeste de Santa Catarina

Zonta

Oliveira

2015

Biotemas

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ResumoEste estudo teve por objetivo avaliar os padrões fenológicos da sinúsia arbórea de um fragmento lorestal localizado no município de São Miguel do Oeste, SC, e sua relação com as variáveis climáticas. Os eventos fenológicos foram avaliados através do número de espécies na fenofase e do índice de intensidade de Fournier, de outubro de 2012 a outubro de 2013. Foram monitorados indivíduos de 20 espécies arbóreas pertencentes a 13 famílias botânicas quanto às fenofases de brotamento, folhas adultas, queda foliar, lores em antese, frutos imaturos e frutos maduros. Utilizou-se o índice de Morisita padronizado para testar a sazonalidade das fenofases e a correlação de Spearman para avaliar a possível relação das fenofases com a temperatura e a precipitação. A queda foliar foi sazonal e teve uma forte correlação inversa com a temperatura. O brotamento e a loração apresentaram sazonalidade e maior intensidade em setembro. Frutos maduros e imaturos foram registrados em diferentes momentos ao longo do ano. O desencadeamento das fenofases apresentou correlação com a temperatura, principalmente das fenofases vegetativas. Palavras-chave: Fenologia reprodutiva; Queda foliar; Sazonalidade AbstractPhenology of tree species in a forest fragment in western Santa Catarina. This study analyzed the phenological patterns of tree synusia, and their relationships with climate variables, in a forest fragment in the municipality of São Miguel do Oeste, SC. From October 2012 to October 2013, phenological events were evaluated using the number of species in the phenophase and the Fournier intensity index. Individuals of twenty species of trees (in 13 families) were monitored for budding, presence of mature leaves, leaf fall, lowers at anthesis, and presence of immature and mature fruits. The standardized Morisita index was used to test seasonality of the phenophases and the Spearman correlation was used to evaluate the possible relationships of phenophases with temperature and precipitation. Leaf fall was seasonal and had a high negative correlation with temperature. Budding and lowering showed seasonality and high intensity in September. Mature and immature fruits occurred at different times throughout the year. The triggering of the phenophases was correlated with temperature, mainly for the vegetative phenophases.

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“…During the 4 th growing season, ET c values were around 20% higher for I treatment (not irrigated but with irrigation history) than R treatment (Table 2), which is explained by the higher plant height and LAI index, as well as observed by Lena (2013). Therefore, although Jatropha is considered a drought tolerant plant, adequate water available is a limiting factor for the plant development, especially when associated with temperature and photoperiod (Saturnino et al, 2005;Bianchini et al, 2006).…”

Section: Effect Of Treatments On Plant Growth Parametersmentioning

confidence: 99%

Irrigation history and pruning effect on growth and yield of jatropha on a plantation in southeastern Brazil

Santos¹,

Folegatti²,

Lena³

et al. 2016

Afr. J. Agric. Res.

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Jatropha is an oilseed culture that has been highlighted due some specific agronomic aspects. This plant produces high oil quantities in its seeds that is used for biodiesel production. One of the major challenges regarding to the Jatropha cultivation is the lack of information on many management techniques, especially the irrigation and pruning management in adult plants in southeastern Brazil. The objective of this study was to study the combined effect of irrigation history and different pruning on Jatropha plant growth and yield. The experiment was conducted during the 4 th year of Jatropha growing season at University of Sao Paulo experimental area in Piracicaba, Brazil. The experiment was arranged in randomized block with four replications and treatments were considered the pruning type: No pruning (P1), pruning at 1.5 m high and 2 m canopy diameter (P2), pruning at 2 m high and 2 m canopy diameter (P3). In addition, two water conditions were also evaluated: Irrigated (I) and rainfed conditions (R). Plant growth (height and canopy diameter) and leaf area index (LAI) were evaluated monthly and productive variables were determined at the end of the experiment. Irrigation history influenced canopy diameter, absolute growth rates for plant height and canopy diameter, the relative growth rate for canopy diameter, and all productive variables. Pruning provided differences in all growth variables, where P2 presented the highest average on plant growth rates. The plants under irrigation history conditions showed the highest yield.

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Fenologia de Chrysophyllum gonocarpum (Mart. & Eichler) Engl. (Sapotaceae) em floresta semidecídua do Sul do Brasil

Cited by 15 publications

References 32 publications

Phenology of two Ficus species in seasonal semi-deciduous forest in Southern Brazil

Phenology of two Ficus species in seasonal semi-deciduous forest in Southern Brazil

Fenologia de espécies arbóreas em um fragmento florestal localizado no Extremo Oeste de Santa Catarina

Irrigation history and pruning effect on growth and yield of jatropha on a plantation in southeastern Brazil

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