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Leaf adaptations of evergreen and deciduous trees of semi‐arid and humid savannas on three continents
Summary 1. Drought stress selects for a suite of plant traits at root, stem and leaf level. Two strategies are proposed for trees growing in seasonally water-stressed environments: drought toleranceExpand
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Allelopathic research in Brazil
In this article, we review allelopathy studies conducted in Brazil or involving plant species that occur in the country. Conceptions and misconceptions associated with allelopathy, as well as someExpand
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Produção e germinação de sementes de "capim dourado", Syngonanthus nitens (Bong.) Ruhland (Eriocaulaceae): implicações para o manejo
A venda de artesanato feito com escapos de S. nitens e uma importante fonte de renda na regiao do Jalapao, TO. Conhecer a epoca de producao e dispersao das sementes, bem como seu potencialExpand
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Efeitos da época de queima sobre a reprodução sexuada e estrutura populacional de Heteropterys pteropetala (Adr. Juss.), Malpighiaceae, em áreas de Cerrado sensu stricto submetidas a queimas bienais
Heteropterys pteropetala is a 1-2 meter height shrub characteristic from Cerrado vegetation, Brazil. Their anemochorous seeds are dispersed during the dry season (mid-May to mid-Sept). WeExpand
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Relative growth rate variation of evergreen and deciduous savanna tree species is driven by different traits.
BACKGROUND AND AIMS Plant relative growth rate (RGR) depends on biomass allocation to leaves (leaf mass fraction, LMF), efficient construction of leaf surface area (specific leaf area, SLA) andExpand
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Seed tolerance to heating is better predicted by seed dormancy than by habitat type in Neotropical savanna grasses
Open savannas and wet grasslands are present under the same seasonal macro-climate in central Brazil. However, in open savannas, temperatures during fires are higher than in wet grasslands. GrassesExpand
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Comparative effects of desiccation, heat shock and high temperatures on seed germination of savanna and forest tree species
Although forest and savanna biomes predominate in tropics regions, the factors that control their distribution remain unclear. South American savannas occur in regions that are considered warm andExpand
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Avoiding the dry season: dispersal time and syndrome mediate seed dormancy in grasses in Neotropical savanna and wet grasslands
Question In seasonal rainfall systems, seed dormancy is a strategy to avoid germination and seedling emergence in the dry season. Grass species in Brazilian savannas (Cerrado) show variation in seedExpand
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Temperature and germination of the Leguminosae Enterolobium contortisiliquum.
Enterolobium contortisiliquum (Vell.) Morong. (Leguminosae-Mimosoideae) is an arboreal species of the Cerrado vegetation. The minimum germination temperature lies between 10.9 and 11.9°C, and theExpand
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The importance of seed mass for the tolerance to heat shocks of savanna and forest tree species
Questions: Does seed mass influence the tolerance of seeds to the effects of heating in fires? Is the tolerance to heat shocks during fire events dependent mostly on seed mass itself or to otherExpand
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