Condutividade elétrica em sementes de rúcula

Torres, Salvador Barros; Pereira, Rafaela Alves

doi:10.1590/s0101-31222010000400007

Cited by 8 publications

(6 citation statements)

References 12 publications

(2 reference statements)

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“…Increase in leaching values was observed. These results are similar to those observed by Torres and Pereira (2010) in arugula seeds. The leachate values decreased as the water volume increased in the test a fact attributed to the dilution caused by the increase in the amount of water used to imbibe the seeds.…”

Section: Resultssupporting

confidence: 92%

Electrical Conductivity Test to Evaluate the Physiological Quality of Salvia hispanica L. Seeds

Radke¹,

Maass²,

Pieper³

et al. 2018

JAS

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Chia (Salvia hispanica L.) is an herbaceous plant that belongs to the Lamiaceae family. Seed vigor testing is an important component of quality control programs, and electrical conductivity test is a possible option in this process. The objective of this study was to identify a methodology of electrical conductivity test to stratify chia seed lots at vigor level according to the emergence of seedlings. Six lots of chia seeds were used in this study. The seeds were exposed to the following determinations: first germination count, germination, emergence speed index, emergence, aerial and root length, aerial and root dry matter, and electrical conductivity at 25, 50 and 75 mL during 1, 2, 4, 6, 8 and 24 hours of soaking in water. The electrical conductivity test in the combination of 25 seeds using 50 mL of water in 6-hour of soaking period, as well as the combination of 50 seeds using 50 mL of water for 24 hours of soaking, were efficient in the stratification of chia seeds in different levels of vigor.

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Section: Resultssupporting

confidence: 92%

Electrical Conductivity Test to Evaluate the Physiological Quality of Salvia hispanica L. Seeds

Radke¹,

Maass²,

Pieper³

et al. 2018

JAS

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“…Kappes et al (2009), analyzing the soybean seeds physiological potential, M-Soy 8866 variety, dried with diquat and paraquat in Santa Carmem location, Mato Grosso north, in 2006/2007 agricultural year, verified the dried lots with paraquat, compared to the control batch without desiccant, presented better performance in some of the quality tests used. Radke et al (2018) concluded that the electric conductivity tests in the combination of 50 seeds with 50 ml of water during 24 hours of imbibition were efficient to stratify lots of chia seeds with different vigor levels, they obtained values with ranges from 575.4 to 759.9 μS cm -1 g -1 (EC), values far from those found in this work, in which 100 ml of water was used for imbibition, which is explained by Torres and Pereira (2010) who work with arugula seeds, claim that the leachate values decreased as the volume of water increases, a fact attributed to the dilution caused by the increase in the amount of water used to imbibe the seeds. Kappes et al (2012) mention that, a general way the delay in drying, of the application provided a vigor reduction, probably due the longer time the seeds are in the field during the physiological maturation process.…”

Section: Resultscontrasting

confidence: 61%

Physiological Quality of Salvia hispanica L. Seeds at Differents Paraquat Application Moments

Aquino¹,

Aguilera²,

Añazco³

et al. 2020

JAS

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Chía (Salvia hispanica L.) seed contains more oil and protein than other grains, has a high content of omega-3 linolenic acid, essential for human nutrition. Paraguay is currently among the five largest chía producer countries in the world, with 80 000 ha planted in 2013. The experiments were carried out during the months of March and October of 2017, the field work was made in the district of Chore-San Pedro, Paraguay departament, and laboratory evaluations in the Seed Analysis and Quality Laboratory of Agrarian Sciences, National University of Asunción-Paraguay. The objective of this investigation was to determine the physiological quality effect on chia seeds with differents paraquat moments application. The variables study consisted in evaluate the seeds germinative power, calculate the vigor by measuring length of seedlings and accelerated aging, also estimate different harvest times yield. The randomized complete blocks design was used with 4 treatments with 4 repetitions. The obtained results were analyzed by ANOVA and the means were compared using the Tukey test at 5% probability. The Paraquat herbicide was applied as a desiccant to accelerate and standardize the chia harvest at different maturing times, called as early, middle and late. In all the analyzed variables it is shown that the early application obtained the best results concluding that the application of paraquat in early harvest favors the yield and the final quality of the seeds.

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“…Alguns pesquisadores vêm buscando a padronização do teste de condutividade elétrica para avaliação do vigor de sementes de hortaliças, conforme trabalhos realizados com pimenta (VIDIGAL et al, 2008), rúcula (ALVES; SÁ, 2009;TORRES;PEREIRA, 2010) e com jiló (LOPES; BARBOSA; VIEIRA, 2012). No entanto, para sementes de coentro, não há na literatura informações sobre metodologia específica para condução desse teste.…”

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Test of electrical conductivity in evaluating the physiological quality of coriander seeds

Torres

Paiva

Almeida

et al. 2015

Revista Ciência Agronômica

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RESUMO -Os testes de germinação e de vigor são componentes essenciais do processo de controle de qualidade das empresas produtoras de sementes. Diante disso, nesta pesquisa o objetivo foi estudar a metodologia do teste de condutividade elétrica, verificando sua eficiência na identificação de diferentes níveis de vigor de lotes de sementes de coentro. Para tanto, utilizaram-se quatro cultivares (Português, Super Verdão, Tabocas e Verdão), cada uma representada por quatro lotes de sementes, que inicialmente foram submetidas às avaliações do grau de umidade, germinação, primeira contagem de germinação e emergência de plântulas. O teste de condutividade elétrica foi realizado com 25 e 50 sementes embebidas em 50 e 75 mL de água destilada, a 25 ºC, por 2, 8 e 24 horas. O teste de condutividade elétrica é eficiente para a avaliação do potencial fisiológico de sementes de coentro quando conduzido com 50 sementes imersas em 50 mL de água destilada, a 25 ºC, após duas horas de embebição. Palavras-chave:Coriandrum sativum. Hortaliça. Temperatura. Embebição. Vigor. ABSTRACT -The tests of germination and vigour are essential components of the quality control process of seed producers. Therefore, the aim of this research was to study the methodology of the test of electrical conductivity, verifying its efficiency in identifying different levels of vigour in batches of coriander seed. To do this, four cultivars were used (Português, Super Verdão, Tabocas and Verdão), each represented by four batches of seed, which were initially subjected to evaluations of moisture content, germination, germination first count and seedling emergence. The test of electrical conductivity was carried out on 25 to 50 seeds soaked in 50 and 75 mL of distilled water at 25 °C for 2, 8 and 24 hours. The test of electrical conductivity is efficient to evaluate the physiological potential of coriander seeds when carried out with 50 seeds immersed in 50 mL of distilled water at 25 °C, after soaking for two hours.

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Condutividade elétrica em sementes de rúcula

Cited by 8 publications

References 12 publications

Electrical Conductivity Test to Evaluate the Physiological Quality of Salvia hispanica L. Seeds

Electrical Conductivity Test to Evaluate the Physiological Quality of Salvia hispanica L. Seeds

Physiological Quality of Salvia hispanica L. Seeds at Differents Paraquat Application Moments

Test of electrical conductivity in evaluating the physiological quality of coriander seeds

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