https://www.alice.cnptia.embrapa.br/alice/handle/item/151 Artigo em periódico indexado (CNPF) 2026-07-02T13:14:40Z https://www.alice.cnptia.embrapa.br/alice/handle/doc/1187800 Título: Drying of guabiroba pulp: chemical characterization, kinetics and techno-economic analyses. Autoria: ANDRADE, D. R. M.; ARANTES, M. S. T.; HANSEL, F. A.; SILVA, V. R. da; MAFRA, L. I.; HELM, C. V. Conteúdo: Guabiroba is a native species of the Brazilian Atlantic Forest. Its fruits are known for their chemical composition, phenolic compounds and carotenoids, which promote antioxidant and antimicrobial activities. However, it has a high moisture content, which makes it perishable. In this study, three dried products were obtained from fruits after different processing (oven at 60 and 105 °C and freeze-drying), and were characterized according to their chemical composition, drying kinetics and technical–economic analysis. The results showed that guabiroba contains several compounds beneficial to health, with high amounts of dietary fiber (12.60% by weight, wet basis), highlighting its potential as a functional food. The different drying processes resulted in dried products with different physicochemical properties and different drying kinetics. Oven drying at 60 °C was observed as the best drying method, due to the preservation of chemical compounds and the second most economically viable, despite being the slowest process. Compared to conventional frozen guabiroba pulp, dry products are more expensive, although they have lower transportation costs and a longer shelf life, factors not evaluated in this study. 2026-01-01T00:00:00Z https://www.alice.cnptia.embrapa.br/alice/handle/doc/1187566 Título: Forest health in the Southern Cone of America: state of the art and perspectives on regional efforts. Autoria: VILLACIDE, J. M.; GOMEZ, D. F.; PEREZ, C. A.; CORLEY, J. C.; AHUMADA, R.; BARBOSA, L. R.; FURTADO, E. L.; GONZÁLEZ, A.; RAMIREZ, N.; BALMELLI, G.; SOUZA, C. D. de; MARTÍNEZ, G. Conteúdo: The plantation and natural forests of South America have been highly impacted by native and exotic pests in recent decades. The interaction of emerging invasive pests, climate change, and timber markets will define the region’s forests, with significant but uncertain ecological changes and economic losses expected. The Southern Cone Forest Health Group (SCFHG), a joint ad hoc initiative run by forest health professionals from Argentina, Brazil, Chile, and Uruguay, aims to strengthen relationships between the forestry industry, stakeholders, academia, and government agencies across the region. Here, we highlight regional strengths, weaknesses, threats, and opportunities to address forest health issues in the region. A regional approach with a strong communication network is relevant for future actions. In the current global scenario of invasive species and climate change, the implementation of practices that incorporate the resilience of forest ecosystems and sustainable management needs to be prioritized in forest policy across the region. Understanding that pests and pathogens do not recognize borders, we call on governments and organizations to support joint actions with agreements and adequate resources to enhance our regional capabilities. 2023-01-01T00:00:00Z https://www.alice.cnptia.embrapa.br/alice/handle/doc/1187494 Título: Divergencia genética entre progenies de Cordia trichotoma en una plantación mixta con Dalbergia nigra. Autoria: SANTOS, W. dos; SOUZA, B. M. de; ZULIAN, D. F.; ALVES, G. T. R.; MORAES, M. L. T. de; SOUSA, V. A. de; AGUIAR, A. V. de Conteúdo: Cordia trichotoma es una especie nativa que está siendo evaluada para diferentes sistemas forestales. El hecho de que los individuos empleados en las plantaciones posean algún grado de mejoramiento genético tiene muchas ventajas; para lograr este mejoramiento es fundamental la obtención de genotipos superiores, a fin de obtener un mejor rendimiento del producto final. El objetivo del presente estudio fue estimar la divergencia genética de progenies de C. trichotoma en dos diferentes condiciones de textura de suelo, por medio de caracteres fenotípicos. El diseño experimental fue bloques completos al azar, un árbol por parcela con 40 (área 1) y 34 (área 2) repeticiones, con espaciamiento de 3,0 m × 3,0 m. Los caracteres evaluados fueron: diámetro a altura del pecho, altura total de plantas, diámetro de cuello y altura del primer verticilo. Para estimar la divergencia genética y el agrupamiento de Tocher fue utilizado el método REML/BLUP. Las distancias entre las progenies en el área 1 fueron de 2,13 y 47,74 (17 y 15), en el área 2 las distancias entre las progenies fueron de 3,64 (9 y 15) y 48,28 (12 y 7). Las progenies formaron diez y cuatro grupos distintos (área 1 y área 2). Los caracteres que más contribuyeron para divergencia genética fueron diámetro a la altura del pecho-2016 (14,65%) área 1, y altura total de plantas-2014 (14,32%) área 2. Las progenies de C. trichotoma presentaron alta divergencia genética. En programas de mejoramiento, se recomienda el cruzamiento entre progenies de los grupos más divergentes para priorizar la ganancia con selección de los genotipos más productivos. 2021-01-01T00:00:00Z https://www.alice.cnptia.embrapa.br/alice/handle/doc/1187514 Título: Artificial defoliation Eucalyptus benthammii and Eucalyptus dunnii for simulation of leaf-cutting ant attacks. Autoria: NICKELE, M. A.; REIS FILHO, W.; PENTEADO, S. do R. C.; QUEIROZ, E. C. de Conteúdo: The effects of different defoliation levels caused by leaf-cutting ants have not yet been evaluated in Eucalyptus benthammii Maiden et Cambage and Eucalyptus dunnii Maiden plants. The aim of this study was to evaluate the losses caused by different defoliation levels on E. benthammii and E. dunnii plants artificially defoliated 30 days after planting, simulating Acromyrmex attacks. Four treatments were evaluated: 0: control, 1: 50%, 2: 75%, and 3, 100% defoliation. Plant height and diameter were recorded at 6, 12, 24, 36 and 72 months after planting. At six months, height and diameter of E. bentammii plants subjected to 100% defoliation differed significantly from control plants, however no significant differences in plant height and diameter were seen after 12 months. In E. dunnii, 100% defoliation resulted in significant plant mortality, and plants that survive this level of defoliation had significant losses in their development. In case of Acromyrmex attack on eucalyptus plants at 30 days after planting, it is suggested to replant E. dunnii 100% defoliated to avoid losses in the end of the forest cycle. In E. benthammii plantations, it is suggested to evaluate the vigor of the 100% defoliated seedlings, as they can recover over time. Only 100% defoliation can lead to losses in Eucalyptus plant growth. However, regionalized studies are necessary to assess the losses that intense defoliation can cause in each situation and in each plant species, as some species, such as E. benthammii, can recover along time. 2023-01-01T00:00:00Z