Results 11 to 20 of about 3,529 (153)

ESTABLISHMENT AND IN VITRO MULTIPLICATION OF Luehea divaricata MART. et ZUCC. [PDF]

open access: yesCiência Florestal, 2011
Luehea divaricata Mart. et  Zucc. (acoita-cavalo) of the Malvaceae family, is a forest-tree species that has suffered great anthropic disturbance during the last decades. This fact has contributed to the reduction of natural populations and, consequently,
Andressa Vasconcelos Flôres   +5 more
doaj   +4 more sources

Substratos e estacas com e sem folhas no enraizamento de Luehea divaricata Mart. Substrates and stem cuttings with and without leafs on rooting of Luehea divaricata Mart. [PDF]

open access: yesCiência Rural, 2008
O objetivo deste trabalho foi avaliar a influência do substrato e do tipo de estaca no enraizamento de Luehea divaricata. O experimento foi realizado no Viveiro Florestal da Universidade Federal de Santa Maria (UFSM), no período de dezembro de 2006 a ...
Jardel Pizzatto Pacheco   +1 more
doaj   +3 more sources

Ácido indolbutírico em diferentes diâmetros na estaquia de Luehea divaricata Indolbutyric acid in different diameters on the vegetative propagation of Luehea divaricata [PDF]

open access: yesCiência Rural, 2008
Luehea divaricata Mart. é uma árvore de porte médio com madeira resistente e de grande flexibilidade, características que a qualificam como matéria-prima na fabricação de móveis vergados. Devido à relevância desta espécie em indústrias de base florestal,
Jardel Pizzatto Pacheco   +1 more
doaj   +6 more sources

Enraizamento de estacas de Luehea divaricata sob diferentes concentrações de ácido indolbutírico [PDF]

open access: yesPesquisa Florestal Brasileira, 2010
Apesar da disponibilidade de sementes em plantas matrizes de Luehea divaricata, sua coleta é uma tarefa trabalhosa e onerosa, visto a maturação ser irregular ao longo do tempo, gerando dificuldades para produção de mudas por meio de sementes.
Patrícia Nazário   +2 more
doaj   +2 more sources

ESTIMATING THE AGE OF DEMARCATION OF JUVENILE AND MATURE WOOD IN Luehea divaricata Mart. [PDF]

open access: yesCiência Florestal, 2009
This study aimed at determining the age of demarcation of juvenile and mature wood of Luehea divaricata Mart., using anatomical characteristics. Three adult trees, in good trunk, with diameter at DBH larger than 30 cm, from Encosta Superior do Nordeste ...
Darci Alberto Gatto   +6 more
doaj   +3 more sources

Luehea divaricata Martius 1826

open access: yes, 2022
Luehea divaricata Martius (1826: 101). Type:— BRAZIL. São Paulo: “ Habitat inter sepes et in collius apricis prope Ytu et Pendamonhangaba ”, Martius s.n. (lectotype [as ‘holotype’], first-step designated by Cunha (1985: 29); second-step lectotype, designated here, M! [M0210165]; isolectotypes M! [M0210178]).
Gerace, Samuele   +3 more
openaire   +3 more sources

Structure and ultrastructure of the stigma and style of Luehea divaricata (Malvaceae-Grewioideae)

open access: yesPlanta, 2022
Transmitting tissue cells of Luehea divaricata present a thick middle lamella and prominent convex lens-shaped thickenings of the cell wall that act as reservoir of energy for pollen tube growth. Luehea Milld. is a Neotropical genus with 18 species.
Elsa Lattar   +2 more
openaire   +4 more sources

PHYSIOLOGICAL AND ENZYMATIC CHANGES DURING SEED MATURATION AND GERMINATION OF Luehea divaricata [PDF]

open access: yesFLORESTA, 2017
Luehea divaricata Mart. is tree is of great ecological and economic importance. This study investigated the effect of fruit maturation on the germination and vigor of L. divaricata. Fruits were harvested at three maturity stages (unripe or green, brown and open) defined by digital colorimetry and seeds extracted from each stage divided into lots of ...
Deisinara Giane Schulz   +5 more
openaire   +3 more sources

Exponential Nitrogen Fertilization of Luehea divaricata Mart. Seedlings [PDF]

open access: yesFloresta e Ambiente, 2020
Nutritional balance interferes positively in obtaining high-quality seedlings of wood species. This study aimed to evaluate nitrogen fertilization during the production of L. divaricata seedlings.
Deisinara Giane Schulz   +4 more
doaj   +4 more sources

Floral nectaries of Heliocarpus popayanensis and Luehea divaricata (Malvaceae-Grewioideae): structure and ultrastructure [PDF]

open access: yesAustralian Journal of Botany, 2018
The structure and ultrastructure on floral nectaries of Heliocarpus popayanensis Kunth. and Luehea divaricata Mart (Malvaceae-Grewioideae) were investigated for the first time. The floral nectaries of the analysed species are structured (can be recognised macroscopically and microscopically) and of trichomatic type.
Lattar, Elsa Clorinda   +3 more
openaire   +3 more sources

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