5 documents found, page 1 of 1
Germination of Dalbergia nigra (Vell.) Fr. All. seeds - doi: 10.4025/actascibio...
Guedes, Roberta Sales; Alves, Edna Ursulino; Gonçalves, Edilma Pereira; França, Pablo Radamés Cabral de; Moura, Macio Faria de; Santos, Sueli da SilvaDalbergia nigra (Vell.) Fr. All., known popularly as jacarandá-da-bahia, it is a plentiful species known for the exploration of its wood. The experiment was conducted at the Laboratory of Seed Analysis (CCA/UFPB), in Areia, Paraíba State, with the objective of determining appropriate methodology for testing germination and vigor of D. nigra seeds. The experiment was carried out in an entirely randomized design ...
Effect of temperature and substrate on germination of Peltophorum dubium (Spren...
Alves, Edna Ursulino; Guedes, Roberta Sales; Gonçalves, Edilma Pereira; Viana, Jeandson Silva; Santos, Sueli da Silva; Moura, Mácio Faria dePeltophorum dubium (Spreng.) Taub. is a species belonging to the family Fabaceae, and is known popularly as golden shower tree. Its wood has multiple uses in reforestation programs and as an ornamental tree, and is also considered an endangered species, requiring studies that assist in its preservation. The present work was conducted with the objective of determine the ideal substrate type and temperature to pe...
Physiological quality of Amburana cearensis (Allemão) A.C. Smith seeds stored
Guedes, Roberta Sales; Alves, Edna Ursulino; Gonçalves, Edilma Pereira; Viana, Jeandson Silva; França, Pablo Radamés Cabral de; Santos, Sueli da SilvaThis work aimed to determine the best conditions and storage periods adapted to conservation of seed vigor for Amburana cearensis (Allemão) A.C. Smith. The experiment was conducted at the Laboratory of Analysis of Seeds (CCA/UFPB), using an entirely randomized design. The treatments consisted of A. cearensis seeds packaged in: paper Kraft bags, bags of cotton and foil aluminum, two storage conditions: room temp...
Emergency and initial growth of seedlings of Inga ingoides (Rich.) Willd. in fu...
Laime, Eduardo Maciel Oliveira; Alves, Edna Ursulino; Guedes, Roberta Sales; Silva, Kelina Bernardo; Oliveira, Dayane Cristine de SouzaThe inga (Inga ingoides (Rich.) Willd.) has edible fruits and is also used in riparian reforestation. The objective was to study the effect of the position and the depth of sowing in the emergence and initial growth of Inga seedlings. The experiment was accomplished with a completely randomized design, with four replications of 25 seeds, loaded in a 3 x 6 (positions and depths) factorial outline. The treatments...
Emergência e vigor de plântulas de Cedrela fissilis L. em função de diferentes ...
Santos, Sueli da Silva; Moura, Mácio Farias de; Guedes, Roberta Sales; Gonçalves, Edilma Pereira; Alves, Edna UrsulinoCedrela fissilis L. é uma Meliaceae, nativa, popularmente conhecida como cedro e, devido as suas qualidades madeireiras vem sendo progressivamente explorada nos locais de ocorrência até a exaustão, estando listada como espécie ameaçada de extinção, fazendo-se necessário a realização de estudos que auxiliem em sua preservação. Objetivou-se verificar o efeito da posição da semente e da profundidade de semeadura n...