Results 51 to 60 of about 18,564 (119)

Evaluation of substrates on the emergence of "araticum-de-terra-fria" (Annona emarginata (Schltdl.) H. Rainer) Seedlings

open access: yesRevista Brasileira de Fruticultura, 2011
Choosing a substrate is the determinant factor for the seedling producer; thus, the aim of this study was to evaluate the effect of different types of substrates on the emergence of "araticum-de-terra-fria" (Annona emarginata (Schltdl.) H.
Daniel Baron   +3 more
doaj  

Análise morfológica de sementes, germinação e plântulas de jatobá (Hymenaea intermedia Ducke var. adenotricha (Ducke) Lee & Lang.) (Leguminosae-caesalpinioideae) Morphologycal analysis of seeds, germination, and seedlings of jatobá (Hymenaea intermedia Ducke var. adenotricha (Ducke) Lee & Lang.) (Leguminosae-caesalpinioideae)

open access: yesActa Amazonica, 2004
As leguminosas são usadas para compor Sistemas Agroflorestais, cujo sucesso de implantação depende de informações básicas sobre as espécies que compõem os diferentes extratos. Hymenaea intermedia var.
Maria da Glória Gonçalves de Melo   +2 more
doaj   +1 more source

Relação solo/plântula de Pithecellobium racemosum Ducke (Angelim rajado) () [PDF]

open access: yesActa Amazonica, 1981
Resumo Fêz-se correlação entre a ocorrência de plântulas de Pithecellobium racemosum e a quantidade de macro e micronutrientes de solos coletados em áreas com diferentes graus de perturbação em locais próximos e afastados dos adultos desta espécie, em ...
Angela M. C. Leite, Judy M. Rankin
doaj   +1 more source

Above‐ground competition by Nephrolepis brownii inhibits tree seedling recruitment in a tropical restoration experiment

open access: yesJournal of Applied Ecology, Volume 62, Issue 8, Page 1968-1979, August 2025.
As Nephrolepis brownii primarily interferes through above‐ground competition, management of above‐ground tissues may mitigate its impact. However, additional research on the efficacy of this management strategy and potential allelopathic traits is needed.
Luis C. Beltrán   +4 more
wiley   +1 more source

Potencial fisiológico de sementes de mamona tratadas com micronutrientes - doi: 10.4025/actasciagron.v32i4.4829

open access: yesActa Scientiarum. Agronomy, 2010
O objetivo deste trabalho foi verificar os efeitos da aplicação de micronutrientes sobre a germinação e o vigor de sementes de mamona, especificamente a cultivar BRS 149 Nordestina.
Rosa Honorato de Oliveira   +4 more
doaj   +1 more source

Relação Solo/Plântula - Pithecolobium racemosum Ducke (Angelim rajado) [PDF]

open access: yesActa Amazonica, 1982
Resumo Fez-se correlação entre a ocorrência de plântulas de Pithecolobium racemosum e a quantidade de macro e micronutrientes de solos coletados em áreas com diferentes graus de perturbação em locais próximos e afastados dos adultos desta espécie, em ...
Angela M. C. Leite, Judy M. Rankin
doaj   +1 more source

The Rapid Recovery of a Caatinga Dry Forest is Mediated by Disturbance‐Adapted Species

open access: yesBiotropica, Volume 57, Issue 4, July 2025.
Overall, regenerating and old‐growth forest stands exhibited similar plant diversity across all ontogenetic stages, with a negligible role played by forest stand age, precipitation, and chronic human disturbance. Species exclusively recorded as adults or seeds were mostly dispersed by animals, indicating that several species fail in either dispersing ...
Alexandre S. de Paula   +6 more
wiley   +1 more source

Subsidies for propagation of native species in Brazil with medicinal potential: Calophyllum brasiliense Cambess

open access: yesJournal of Seed Science
: Calophyllum brasiliense Cambess. (guanandi) is a native species with medicinal potential and also generates expectation for commercial use (wood) and for recovery of degraded areas.
Rosemeire Carvalho da Silva   +4 more
doaj   +1 more source

Decadal survival of tropical pioneer seeds in the soil seed bank is accompanied by fungal infection and dormancy release

open access: yesFunctional Ecology, Volume 39, Issue 6, Page 1483-1494, June 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Pioneer trees require high‐light environments for successful seedling establishment. Consequently, seeds of these species often persist in the soil seed bank (SSB) for periods ranging from several weeks to decades.
Paul‐Camilo Zalamea   +7 more
wiley   +1 more source

SISTEMA VASCULAR DE PLÂNTULAS EM SERJANIA MILL. (SAPINDACEAE)

open access: yes, 2021
Nos remanescentes florestais da região de Maringá, Paraná, é comum a ocorrência de espécies do gênero Serjania Mill., pertencente à família Sapindaceae, de hábito lianescente, de importância apícola e com propriedade ictiotóxica. Duas dessas espécies, S.
HERNANDES, Caroline Marinho   +2 more
core  

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