Rafael da Costa Almeida

ORCID: 0000-0001-8067-546X
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About
Contact & Profiles
Research Areas
  • Banana Cultivation and Research
  • Plant pathogens and resistance mechanisms
  • Genetics and Plant Breeding
  • Agricultural pest management studies
  • Science and Education Research
  • Insect and Pesticide Research
  • Genetic and Environmental Crop Studies
  • Plant Pathogenic Bacteria Studies
  • Education Pedagogy and Practices
  • Education and Digital Technologies
  • Insect Pest Control Strategies
  • Genetic diversity and population structure
  • Smart Agriculture and AI
  • Agronomic Practices and Intercropping Systems
  • Parasite Biology and Host Interactions
  • Rural Development and Agriculture
  • Agricultural Practices and Plant Genetics
  • Agricultural and Food Sciences
  • Mosquito-borne diseases and control

Instituto Federal do Piauí
2022-2024

Universidade Federal do Piauí
2021

ABSTRACT - Lima bean (Phaseolus lunatus L.) develops at an optimal temperature in the range of 20-30°C, temperatures above 30-35°C compromise photosynthetic efficiency crop. Considering importance lima cultivation, objective this study was to carry out a morphoagronomic and phenological characterization 46 accessions tolerant high from core collection Universidade Federal do Piauí. The experiment conducted February July 2021 completely randomized block design with four replications, where...

10.1590/1983-21252022v35n406rc article EN cc-by Revista Caatinga 2022-10-01

ABSTRACT Morpho-agronomic characterization studies aiming at the discrimination and classification of lima bean accessions in relation to centers domestication biological status have been great importance for conserving biodiversity this species. For purpose, researchers widely used multivariate analysis called discriminant analysis, which is not always capable producing satisfactory results. Computational intelligence-based classifiers are additional tools understanding complex problems. In...

10.1590/1983-21252021v34n223rc article EN cc-by Revista Caatinga 2021-06-01

Objetivo: O objetivo deste estudo é verificar a dissimilaridade genética existente entre genótipos de Mangifera indica L., no leste do Maranhão. Método: Caracterização morfoagronômica em que foram realizadas análises variância, agrupamento médias, agrupamentos pelo método Tocher sequencial e o hierárquico ligação média grupos (UPGMA). A coleta dados totalizou 22 genótipos, qual coletados dez frutos folhas adultas cada genótipo utilizados 10 descritores, sendo 3 qualitativos multicategóricos...

10.24857/rgsa.v18n6-174 article PT Revista de Gestão Social e Ambiental 2024-08-02

ABSTRACT: This research aimed to morphologically characterize and estimate the genetic diversity of 21 Capsicum accessions belonging Germplasm Active Bank at Universidade Federal do Piauí (BAGC-UFPI) using uni- multivariate analysis. The experiment was carried out in a greenhouse, by completely randomized experimental design with four repetitions, one plant per plot. Analysis variance (ANOVA) comparison means for seven quantitative variables were performed, followed clustering averages...

10.1590/0103-8478cr20210559 article EN cc-by Ciência Rural 2022-05-31

The present work aimed to reflect on the use of playful activities in elementary education Scienceclasses, highlighting their contribution teaching-learning process, since games and pranksact as a bridge between pleasure knowledge. Through bibliographic research, view several authors was discussed that consider ludic valuable didactic instrument be worked school environment an ally teaching pedagogical practice. It also presents results field research carried out with Science teachers,...

10.51361/somma.v7i1.64 article EN Somma Revista Cientifica do Instituto Federal de Educação Ciência e Tecnologia do Piauí 2021-05-21
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