2009
DOI: 10.1590/s0101-31222009000300004
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Concentração da solução de tetrazólio e período de coloração do teste para sementes de mamoneira

Abstract: O objetivo do trabalho foi estudar a concentração da solução de tetrazólio e o período de coloração do teste para a avaliação do potencial fisiológico de sementes de mamoneira (Ricinus communis L.), padronizando a nomenclatura das cores observadas nas sementes após a coloração. Os tratamentos de concentração da solução de tetrazólio e períodos de coloração estudados foram: 0,075% e 0,1% por 120, 180 e 240 minutos, 0,2% por 60, 120 e 180 minutos, 0,5% por 60, 90 e 120 minutos e 1,0% por 30, 60 e 90 minutos. Os … Show more

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Cited by 12 publications
(2 citation statements)
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“…Each seed was classified as viable or non-viable according to tissue staining intensity for the embryo and the endosperm, considering the presence, location and extent of damage, as well as tissue texture. Therefore, the recommendations of the Rules for Seed Testing (Brasil, 2009) and the parameters established by Gaspar-Oliveira et al (2009) were employed for the tetrazolium test in castor seeds, and the necessary adaptations were made for the seeds of J. curcas. The seeds were then classified as viable or non-viable according to the criteria described below.…”
Section: Assaymentioning
confidence: 99%
“…Each seed was classified as viable or non-viable according to tissue staining intensity for the embryo and the endosperm, considering the presence, location and extent of damage, as well as tissue texture. Therefore, the recommendations of the Rules for Seed Testing (Brasil, 2009) and the parameters established by Gaspar-Oliveira et al (2009) were employed for the tetrazolium test in castor seeds, and the necessary adaptations were made for the seeds of J. curcas. The seeds were then classified as viable or non-viable according to the criteria described below.…”
Section: Assaymentioning
confidence: 99%
“…Este teste reflete a atividade das enzimas desidrogenases envolvidas no processo de respiração, permitindo distinguir as partes vivas e mortas da semente José, 2010). No teste tetrazólio os tecidos vivos apresentam coloração vermelha e os tecidos mortos não ficam corados (Gaspar-Oliveira et al, 2009).…”
Section: Bancos De Germoplasmaunclassified