Guilherme Chierrito de Oliveira

Characterization of oat chromosome rearrangements in advanced breeding lines and implications for genetic improvement

Guilherme Chierrito de Oliveira, Wubishet A. Bekele, Françoise Dalprá Dariva, Sumandeep Bazzer et autres

Large-scale chromosomal rearrangements or structural variants (SVs) have shaped the evolution of Avena species, driving domestication and adaptation in oats (Avena sativa L.). The legacy of these reorganizations, including translocations and inversions, remains evident, yet their frequency and impact on phenotypic and …

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First Report of Epicoccum italicum Causing Leaf Spots on Eugenia uniflora in Brazil

Lethicia Grillo Falk de Avila, Maristela dos Santos Rey, Américo Wagner Júnior, Thiago Cacção Villa et autres

Eugenia uniflora is a fruit tree native to Brazil. In July 2024, in the experimental area of the Federal University of Technology, Paraná (UTFPR), Brazil, a disease was observed in 30 trees, with 50% to 60% of the leaves affected. Symptoms were …

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Association Mapping Reveals a Genomic Region Associated with Oat Resistance to the Southern Root-Knot Nematode Meloidogyne incognita

Guilherme Chierrito de Oliveira, Cristiano Mathias Zimmer, Klever Márcio Antunes Arruda, Marcelo Teixeira Pacheco et autres

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Genome-wide association mapping for thousand kernel weight in oat germplasm adapted to the subtropic

Guilherme Chierrito de Oliveira, Cristiano Mathias Zimmer, Luiz Carlos Federizzi, Marcelo Teixeira Pacheco

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Unraveling genomic regions and optimizing genomic predictions for grain yield and yield-related traits in oats (Avena sativa L.)

Guilherme Chierrito de Oliveira, Sumandeep Kaur Bazzer, Jason D. Fiedler, Raja Sekhar Nandety et autres

Abstract Selecting for high grain yield is an intrinsic target of most crop breeding programs. However, the genetic complexity of the trait and its strong interactions with environmental factors pose significant challenges, hindering quick and efficient genetic improvement. This scenario is especially …

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Genomic strategies to facilitate breeding for increased β-Glucan content in oat (Avena sativa L.)

Sumandeep Kaur Bazzer, Guilherme Chierrito de Oliveira, Jason D. Fiedler, Raja Sekhar Nandety et autres

BACKGROUND: Hexaploid oat (Avena sativa L.) is a commercially important cereal crop due to its soluble dietary fiber β-glucan, a hemicellulose known to prevent cardio-vascular diseases. To maximize health benefits associated with the consumption of oat-based food products, breeding efforts have aimed …

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Low-Cost Prototype for Analysis and Monitoring of Underwater Structures

Guilherme Chierrito de Oliveira, Paulo Jefferson Dias de Oliveira Evald, Matheus G. Mateus, Pedro L. Corçaque et autres

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First Report of Epicoccum nigrum Causing Leaf Spots on Campomanesia guazumifolia in Brazil

Caliandra Bernardi, Maristela dos Santos Rey, Américo Wagner Júnior, Alberto Stefeni et autres

drastically reducing the production of photoassimilates and affecting the quality of the fruits.

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Sistema de Análise e Monitoramento de Estruturas Submersas de Baixo Custo

Guilherme Chierrito de Oliveira, Paulo Jefferson Dias de Oliveira Evald, Jorge Arigony-Neto, Paulo Drews

Analyzing and monitoring underwater structures is still a challenge for humanity. A Remotely Operated Vehicle (ROV) equipped with sonar is a feasible alternative for assessment of structures in harsh environments. However, the cost associated with this equipment is high. Therefore, this work …

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First Report of Myrtle Rust Caused by Austropuccinia psidii on Myrcianthes pungens in Paraná State, Brazil

Caliandra Bernardi, Maristela dos Santos Rey, Américo Wagner Júnior, Viviane Da Rosa et autres

in Paraná State. The importance of the disease is due to the high percentage of fruit loss due to rapid rot and drop caused by the pathogen attack.

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Genome–wide association mapping for heading date in oats under subtropical environments

Cristiano Mathias Zimmer, Guilherme Chierrito de Oliveira, Klever Márcio Antunes Arruda, Marcelo Teixeira Pacheco et autres

Selection for heading date has been a decisive factor to increase areas cropped with oats in Brazil. Although important to oat breeders, genomic regions controlling heading date have not been completely identified. The objective of this study was to identify genomic regions …

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Characterization and absolute quantification of the Cellulose synthase-like F6 homoeologs in oats

Cristiano Mathias Zimmer, Guilherme Chierrito de Oliveira, Marcelo Teixeira Pacheco, Luiz Carlos Federizzi

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