2008
DOI: 10.1590/s0101-31222008000100016
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Análise de imagens na avaliação de danos mecânicos e causados por percevejos em semente de feijão

Abstract: A possibilidade da utilização da técnica de análise de imagens, para a determinação de danos em semente, é promissora. É um método de precisão, onde a semente é examinada individualmente em imagens capazes de indicar, com detalhes, a área danificada, a localização e a extensão dos danos. Assim, o presente trabalho teve o objetivo de avaliar a eficiência da utilização da técnica de análise de imagens (raios X) na identificação de danos mecânicos e causados por percevejos em semente de feijão e sua relação com a… Show more

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Cited by 16 publications
(17 citation statements)
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“…Seeds with severe damage in the cotyledons (more than 50% deteriorated tissues or damage near the embryonic axis) and in the embryonic axis generally resulted in abnormal seedlings or dead seeds, especially when the damage was in the embryonic axis. This was also observed by Mondo and Cicero (2005) in maize seeds and in common bean seeds (Forti et al, 2008). In Figure 4 a, stink bug damage and fissures in the embryonic axis and in cotyledons are observed (scores 2.3, 3.1, 3.2, and 3.3), representing 3.58% of the total number of analyzed seeds, resulting in abnormal seedlings (Figure 4 b) or dead seeds.…”
Section: Resultssupporting
confidence: 61%
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“…Seeds with severe damage in the cotyledons (more than 50% deteriorated tissues or damage near the embryonic axis) and in the embryonic axis generally resulted in abnormal seedlings or dead seeds, especially when the damage was in the embryonic axis. This was also observed by Mondo and Cicero (2005) in maize seeds and in common bean seeds (Forti et al, 2008). In Figure 4 a, stink bug damage and fissures in the embryonic axis and in cotyledons are observed (scores 2.3, 3.1, 3.2, and 3.3), representing 3.58% of the total number of analyzed seeds, resulting in abnormal seedlings (Figure 4 b) or dead seeds.…”
Section: Resultssupporting
confidence: 61%
“…In studies carried out with analysis of X-rays in soybean (Pinto et al, 2007) and common bean (Forti et al, 2008) seeds, it was also possible to view the seed structure with water content greater than 9%. It is important to note that each species has its own characteristics of density and chemical composition, factors that significantly affect visualization of the X-rayed parts of the seeds.…”
Section: Resultsmentioning
confidence: 99%
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“…Isso pode ser verificado em pesquisas realizadas na agricultura com sementes de milho (Cicero et al, 1998), milho doce , arroz (Silva et al, 2014b) soja (Forti et al, 2008), crotalária (Arruda et al, 2016), dentre outras espécies.…”
Section: Essa Técnica Foi Inicialmente Utilizada Por Simak Eunclassified
“…A técnica de raios-X também permitiu relacionar a morfologia de sementes com a germinação ou morfologia das plântulas de diversas espécies agrícolas e florestais (Van der Burg et al, 1994;Battisti et al, 2000;Machado e Cicero, 2003;Oliveira et al, 2003;Mondo e Cícero, 2005;Pupim et al, 2008;Santos et al, 2009;Pinto et al, 2009a;Carvalho et al, 2010;Gagliardi e MarcosFilho, 2011), identificar injúrias por umidade em sementes de soja (Obando Flor et al, 2004;Forti et al, 2010) e por percevejo em sementes de soja (Obando Flor et al, 2004;Pinto et al, 2009b) e de feijão (Forti et al, 2008), além de injúrias mecânicas em sementes de milho (Cícero et al, 1998;Carvalho et al, 1999;Cicero e Banzatto Junior, 2003).…”
Section: Introductionunclassified