Results 1 to 10 of about 374 (142)

Temperature Dependent Seed Germination of Dalbergia nigra Allem (Leguminosae) [PDF]

open access: yesBrazilian Archives of Biology and Technology, 2001
The germination of endangered species Dalbergia nigra was studied and 30.5° C was found as optimum temperature, although the species presented a broad temperature range where germination occurs and light had no effect.
Massanori Takaki, Takaki Massanori
exaly   +8 more sources

Fine-scale spatial genetic structure of Dalbergia nigra (Fabaceae), a threatened and endemic tree of the Brazilian Atlantic Forest [PDF]

open access: yesGenetics and Molecular Biology, 2012
The Atlantic Forest is one of the most diverse ecosystems in the world and considered a hotspot of biodiversity conservation. Dalbergia nigra (Fabaceae) is a tree endemic to the Brazilian Atlantic Forest, and has become threatened due to overexploitation
Renata Santiago de Oliveira Buzatti   +3 more
doaj   +7 more sources

Micropropagation of Dalbergia nigra, an endangered Brazilian forest tree [PDF]

open access: yesRevista Agrogeoambiental, 2021
We report in this work an in vitro propagation method for Dalbergia nigra using nodal segments from germinated seeds in vitro. Plant material was cultivated on MS medium supplemented with 6-benzyladeninepurine (BAP: 0 μM, 1.11 μM and 2.22 μM) and Naphthaleneacetic acd (NAA: 0.27 μM), combined with different amounts of subcultures for induction of shoot
Rodrigo Oliveira Almeida   +2 more
doaj   +2 more sources

In vitro organogenesis as an efficient method for the propagation of Dalbergia nigra

open access: yesPesquisa Agropecuária Brasileira, 2022
The objective of this work was to establish an efficient protocol for the in vitro organogenesis of Dalbergia nigra. For this purpose, 30-day-old seedlings were sectioned at their cotyledonary nodes and nodal segments.
Ingridh Medeiros Simões   +9 more
doaj   +4 more sources

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

open access: yesFloresta e Ambiente, 2022
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.
Jailton de Jesus Silva   +4 more
doaj   +3 more sources

MINI-CUTTINGS TECHNIQUE FOR VEGETATIVE PROPAGATION OF Dalbergia nigra [PDF]

open access: yesCerne, 2020
ABSTRACT The usual propagation method for Dalbergia nigra is via seedings; however, the seasonal supply has a variable quantity of seeds which limits the continuous production of seedlings. Therefore, the objective of this study was to establish a vegetative propagation protocol via mini-cuttings technique for D.
Elzimar DE OLIVEIRA GONÇALVES   +2 more
exaly   +4 more sources

Phylogeography of the endangered rosewood Dalbergia nigra (Fabaceae): insights into the evolutionary history and conservation of the Brazilian Atlantic Forest. [PDF]

open access: yesHeredity (Edinb), 2011
The Brazilian rosewood (Dalbergia nigra) is an endangered tree endemic to the central Brazilian Atlantic Forest, one of the world's most threatened biomes. The population diversity, phylogeographic structure and demographic history of this species were investigated using the variation in the chloroplast DNA (cpDNA) sequences of 185 individuals from 19 ...
Ribeiro RA   +3 more
europepmc   +4 more sources

Germinação de sementes de Dalbergia nigra (Vell.) Fr. All. - doi: 10.4025/actascibiolsci.v33i4.5834

open access: yesActa Scientiarum: Biological Sciences, 2011
Dalbergia nigra (Vell.) Fr. All., conhecida popularmente como jacarandá-da-bahia, é uma espécie bastante conhecida pela exploração da sua madeira. Foi realizado um experimento no Laboratório de Análises de Sementes (CCA/UFPB) Areia, Estado da Paraíba ...
Roberta Sales Guedes   +5 more
doaj   +5 more sources

Liming and Phosphating in Dalbergia nigra (Vell.) Allemão ex Benth. Seedlings [PDF]

open access: yesFloresta e Ambiente, 2018
This study aimed to verify the effect of phosphorus and liming doses on the morphological and nutritional characteristics of D. nigra seedlings. The experiment was conducted using a completely randomized 4x4 factorial design.
Leandro Carlos   +4 more
doaj   +3 more sources

Genetic variation in remnant populations of Dalbergia nigra (Papilionoideae), an endangered tree from the Brazilian Atlantic Forest. [PDF]

open access: yesAnn Bot, 2005
Dalbergia nigra, known as Brazilian rosewood, is an endangered tree species restricted to the Brazilian Atlantic Forest and has been intensively logged for five centuries due to its high-quality wood. The objective of the present study was to assess the genetic variation and structure in adults and saplings of the species from a large reserve of the ...
Ribeiro RA   +3 more
europepmc   +4 more sources

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