2007
DOI: 10.1590/1808-1657v74p1632007
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Resistência De Variedades De Soja À Morte De Plântulas Causada Por Colletotrichum Truncatum

Abstract: RESUMO A antracnose causa danos severos na produção de soja, principalmente em regiões quentes e úmidas. Um dos sintomas da antracnose, a morte das plântulas, está associado a sementes infectadas ou contaminação por restos de cultura. O objetivo do trabalho foi avaliar a resistência de variedades de soja a morte de plântulas causada por Colletotrichum truncatum. Para a multiplicação do inóculo, o isolado do fungo foi repicado para placas de Petri contendo meio BDA. Sementes de 19 variedades permaneceram em con… Show more

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Cited by 7 publications
(3 citation statements)
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“…The results of the percentage of germination and vigor of soybean seed varieties recorded that the seeds without inoculation presented a higher percentage of germination and vigor compared to the varieties without inoculation. In an experiment carried out by [12] they found that there was a significant difference between the varieties inoculated with Colletotrichum truncatum where a lower percentage of germination was observed in the seeds infested with said pathogen. Another similar experiment conducted by [13].…”
Section: Discussionmentioning
confidence: 99%
“…The results of the percentage of germination and vigor of soybean seed varieties recorded that the seeds without inoculation presented a higher percentage of germination and vigor compared to the varieties without inoculation. In an experiment carried out by [12] they found that there was a significant difference between the varieties inoculated with Colletotrichum truncatum where a lower percentage of germination was observed in the seeds infested with said pathogen. Another similar experiment conducted by [13].…”
Section: Discussionmentioning
confidence: 99%
“…For Galli et al (2007), C. truncatum inoculation in soybean seeds by direct contact with mycelium for 40 hours caused seed death, reducing the number of soybean seedlings in the final stand. For these authors, the longer exposure time of seeds to the pathogen increased the level of inoculum in the seeds, drastically compromising embryo development.…”
Section: Discussionmentioning
confidence: 99%
“…A antracnose pode ocorrer em qualquer fase fenológica da cultura e em diversas estruturas morfológicas como folhas, pecíolos, hastes, vagens e pedicelos. Porém é na fase reprodutiva da planta que o fungo apresenta seu ápice de patogenicidade, os sintomas mais frequentes da infecção são lesões escuras e irregulares, que causam depressões nas hastes, pecíolos e vagens (GALLI; PANIZZI; VIEIRA, 2007;ROGÉRIO et al, 2019).…”
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