Results 71 to 80 of about 14,062 (227)
Sélection de caféiers résistants à la mineuse des feuilles, Perileucoptera coffeella [PDF]
Perileucoptera coffeella est un des principaux ravageur de Coffea arabica dans les principaux pays producteurs. Toutes les variétés de C. arabica sont sensibles à cet insecte. Par contre, plusieurs espèces de Coffea ont été identifiées comme résistantes.
Guerreiro Filho, Oliveiro +1 more
core
ABSTRACT During the fifteenth and sixteenth centuries, there was no statutory difference between cartography, drawing and painting. These activities were performed then by craftsmen who were part of a vast group under the umbrella of ‘mechanical arts’ and fell under the ‘artifex’ category. Artifex were experts in any particular art, whether a craftsman,
Vasco Medeiros
wiley +1 more source
Desenvolvimento de cultivares de café com resistência ao bicho-mineiro. [PDF]
Dentre as principais pragas da cultura de café no Brasil, destaca-se o bicho mineiro por causar grande redução na produtividade das lavouras, principalmente em áreas de Cerrado.
ALMEIDA, S. R. de +6 more
core
Terrestrial Analogs to Titan for Geophysical Research
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon +21 more
wiley +1 more source
Archives of impact: The politics of craters on Earth
This paper examines Earth’s 195 confirmed impact craters as archives, exploring their cataloguing and presentation as heritage sites. It argues Western scientific framings using military language and emphasising catastrophe overlook settler colonialism’s violent histories and marginalise indigenous earth‐sky cosmologies.
Gareth Hoskins
wiley +1 more source
To contribute to the development of new products to control the coffee leaf miner (Leucoptera coffeella), which is a major pest for coffee plants, this work aimed to select plant species able to produce substances active against this insect and to ...
Helvécio M. Santos Júnior +4 more
doaj +1 more source
African botanical heritage for new crop development [PDF]
The African continent is rather poor in plant biodiversity when compared to other continents on and around the equator. Nevertheless, lots of useful plant species have been domesticated from Sub-Sahara Africa material.
Termote, Céline, Van Damme, Patrick
core +3 more sources
Testing Hypotheses of Covariate Effects on Topics of Discourse
ABSTRACT We introduce an approach to topic modeling with document‐level covariates that remains tractable in the face of large text corpora. This is achieved by de‐emphasizing the role of parameter estimation in an underlying probabilistic model, assuming instead that the data come from a fixed but unknown distribution whose statistical functionals are
Gabriel Phelan, David A. Campbell
wiley +1 more source
Abstract The tempo and mode of assembly of the world's most diverse, tropical floras remain poorly known. Evolutionary relationships within pantropical plant clades such as Connaraceae (Oxalidales, ca. 220 species) offer an opportunity to address this issue.
Serafin J.R. Streiff, Jurriaan M. de Vos
wiley +1 more source
ABSTRACT Concerns about the slow progress in gender equality, both globally and within corporate social responsibility (CSR) initiatives, prompt a critical assessment of “gendered CSR,” that is, women's empowerment programs and partnerships driven by the private sector.
Tanja Verena Matheis, Christian Herzig
wiley +1 more source

