Results 51 to 60 of about 1,131 (190)

Relações entre as características da madeira e do carvão vegetal de duas espécies da caatinga

open access: yesFloresta e Ambiente
A vegetação da Caatinga é explorada para energia, mas existem poucos estudos sobre as relações entre as características da madeira e seu potencial energético.
Pedro Nicó de Medeiros Neto   +2 more
doaj   +1 more source

Efeito da assepsia na germinação de sementes de Caatingueira-verdadeira. [PDF]

open access: yes, 2014
Objetivou-se com este trabalho avaliar a influência da assepsia na germinação de sementes de catingueira-verdadeira (poincianella pyramidalis (Tu!.) L.P. Queiroz).Edição dos Resumos do V Workshop de Tecnologia e Fisiologia de Sementes e Mudas, Petrolina,
AFFONSO, I. B.   +5 more
core  

Use of Neurospora crassa as fungus model for systems biology of Moniliophthora perniciosa hyphae proteins: case study of polygalacturonases : S01P13 [PDF]

open access: yes, 2013
Moniliophthora perniciosa, the fungus responsible for the witches' broom disease, brought serious problems to cacao (Theobroma cacao L.) cultivation in the infected areas such as in Southern Bahia, Brazil.
Carvalho, H.A.S.   +2 more
core  

Nesting Substrate Characteristics of Partamona seridoensis Pedro & Camargo (Hymenoptera: Apidae) in Areas of Dry Forest in Brazil [PDF]

open access: yes, 2017
For the first time the association between Partamona seridoensis and Constrictotermes cyphergaster is described. Partamona seridoensis occurs in xeric areas of Northeastern Brazil, and it is a termitophile species as its nests are built in active and ...
Almeida, Alerson Brito   +3 more
core   +2 more sources

Florística, fitossociologia e índices de diversidade da caatinga em assentamento rural no Rio Grande do Norte, Brasil

open access: yesBiodiversidade Brasileira, 2021
A Caatinga é um bioma localizado na região Nordeste do Brasil, abrangendo cerca de 10% do território nacional e com elevada população dependente dos produtos oriundos de sua vegetação.
José Augusto da Santana   +4 more
doaj   +1 more source

Mortalidade embrionária e aborto em caprinos causados pela ingestão de Poincianella pyramidalis. [Embryonic mortality and abortion in goats caused by ingestion of Poincianella pyramidalis].

open access: yes, 2022
ABSTRACT.This study aimed to characterize the embryotoxic, teratogenic and abortifacient effect of Poincianella pyramidalis in goats. Twenty pregnant goats with 18 days of gestation weredivided into five groups of four animals each. After collection, the leaves of P. pyramidalis were dried in the shade and crushed.
DOS SANTOS, J.R.S.   +5 more
openaire   +1 more source

The coffee gene orphanage : S01P14 [PDF]

open access: yes, 2013
Coffee is a perennial crop considered one of the most important agricultural commodities in the world. By consequence, aiming at the establishment of tools to help accelerating the genetic improvement of this species, significant advances in coffee ...
Andrade, Alan Carvalho   +8 more
core  

Assessment of nutrient returns in a tropical dry forest after clear-cut without burning. [PDF]

open access: yes, 2014
Tropical dry forests (TDFs) are being deforested at unprecedented rates. The slash/burn/ agriculture/fallow-extensive livestock sequence causes significant nutrient losses and soil degradation.
ALVAREZ, I. A.   +3 more
core   +1 more source

Reduction Glossoplasty in a Calf with Bifid Tongue [PDF]

open access: yes, 2019
Background: Fetal malformations are characterized by anatomical changes that compromise an organ or system. Tongue formation in bovines occurs with the fusion of three structures at the end of the fourth week of gestation, and any failure during this ...
Caldas, Saulo Andrade   +8 more
core   +2 more sources

Tratamentos pré-germinativos em sementes de duas espécies do gênero Poincianella

open access: yesRevista Ciência Agronômica, 2014
Objetivou-se nesse trabalho avaliar o efeito de diferentes tratamentos pré- germinativos em sementes de Poincianella bracteosa e Poincianella pyramidalis.
Elane Grazielle Borba de Sousa Ferreira   +4 more
doaj  

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