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Gourds Made by Indigenous Women Supplied the European Luxury Market in the 18th Century
Publicado em 06 dezembro 2024
The pieces, made in the Amazon, were matched with lacquer and decorated with motifs that replicated European and Asian embroidery patterns
SÃO PAULO, Brazil — Household utensils or objects for ritual use, gourds are present in various cultural environments in Brazil, especially in indigenous or riverside communities, but also in large cities in the Amazon region, such as Belém, capital of the state of Pará. “Gourds are believed to be among the first [...]
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Research Optimizes Biological Control of Pest That Damages Soybean Crops
Publicado em 04 junho 2024STILLWATER, Okla. — An article published in the journal Insects determines with precision the dispersal range of a type of wasp that neutralizes the Brown stink bug, Euschistus heros, a major soybean pest in Brazil and highly resistant to chemical insecticides. The solution discussed by the authors is Telenomus podisi, a parasitoid micro wasp first described by American entomologist William Harris Ashmead in 1893. Parasitoids are small insects [...]ver notícia -
Your morning coffee may be more than a half million years old
Publicado em 16 abril 2024That coffee you slurped this morning? It’s 600,000 years old. Using genes from coffee plants around the world, researchers built a family tree for the world’s most popular type of coffee, known to scientists as Coffea arabica and to coffee lovers simply as “arabica.” The researchers, hoping to learn more about the plants to better protect them from pests and climate change, found that the species emerged around 600,000 years ago through natural crossbreeding of two [...]ver notícia -
Researchers Create Formula for First Synthetic Molasses
Publicado em 29 setembro 2023A group of Brazilian and European scientists have now formulated synthetic molasses with a composition that can be reproduced SÃO PAULO, Brazil — Molasses, a broad term used to describe concentrated sugarcane or sugarbeet juice solutions after removal of sucrose crystals, are an industrial byproduct of the raw sugar production process. Natural molasses have variable compositions that are not entirely known. This knowledge gap is a hindrance to both scientific research and [...]ver notícia -
UF/IFAS study leads to milestone advances in understanding lethal bronzing of palm trees
Publicado em 31 maio 2023Lethal bronzing (LB) is a bacterial disease that kills more than 20 species of palm trees in the Southern United States and Caribbean and has been devastating the Florida green industries for nearly two decades. A University of Florida scientist at the Institute of Food and Agricultural Sciences (UF/IFAS) has identified a key chemical associated with LB infected palm trees. The study’s findings, published in MDPI Plants, are a landmark in plant disease research that [...]ver notícia -
International consortium to better assess Africa drought risks, boost resilience
Publicado em 01 novembro 2022Researchers aim to develop decision-support tool to assist leaders UNIVERSITY PARK — An international, Penn State-led consortium aims to improve drought risk analysis and management and increase societal resilience in Africa, funded by a three-year, $1.1 million grant from the Belmont Forum. Due to a changing climate, Africa is projected to experience hotter temperatures, more severe storms and increased droughts — and few of the countries on the continent are prepared to deal [...]ver notícia -
Computer vision boosts pest control efficacy
Publicado em 23 fevereiro 2020Brazilian research group combats apple and peach orchard pest SÃO PAULO, Brazil — One of the strategies used for biological control of the South American fruit fly Anastrepha fraterculus is sterilization of males by X-ray or gamma-ray irradiation. The aim of the procedure is to bring about a decrease in the wild population of these insects. A. fraterculus is a major crop pest in the South Region of Brazil, mainly affecting apple and peach orchards. Sterilization is considered an [...]ver notícia -
Tool facilitates genetic mapping of polyploid plants
Publicado em 10 novembro 2019SÃO PAULO, Brazil — An innovative genetic mapping system for polyploid species promises to facilitate the work of scientists and plant breeders, who use genomics to develop varieties that are more productive and resistant to disease or drought. Polyploids are organisms with more than two sets of chromosomes. Many plant species of great economic value, such as potato, wheat, cotton and sugarcane, are polyploids. The research was conducted at the University of São [...]ver notícia -
Researchers crack citrus canker defense system
Publicado em 29 maio 2018SAO PAULO, Brazil — Xanthomonas citri, the bacterium that causes citrus canker, a disease responsible for major damage to lemon and orange groves in worldwide scale, has a veritable arsenal of weapons to overcome constant competition with other bacterial species and ward off natural predators such as amoebae. Despite the fact that citrus canker have already caused significant economic losses, X. citri‘s ability to persist in the environment is still poorly understood. However, a new study [...]ver notícia -
Pheromone discovered that transmits HLB
Publicado em 11 fevereiro 2018SAO PAULO, Brazil — The Asian citrus psyllid Diaphorina citri is only 2 mm long, yet it strikes terror into the hearts of citrus growers in Brazil, China and the United States because it acts as a vector for the bacteria that cause citrus greening, best known as Huanglongbing (HLB), which means yellow dragon in Chinese. HLB originated in Asia and now affects most citrus groves worldwide. The disease is devastating for the citrus industry because infected trees must be eradicated. To prevent [...]ver notícia