The influence of caffeine and thymol on the survival, growth and reproduction of Subulina octona (Brugüière, 1789) (Mollusca, Subulinidae)
Subulina octona is a terrestrial snail which serves as an intermediate host for the parasites. It is also an agricultural pest. The aim of this work was to assess, during 120 days, the effects of caffeine and thymol at 2.5 g/L and 5 g/L on the hatchability, survival after hatching, growth and reprod...
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Instituto de Tecnologia do Paraná (Tecpar)
2009-08-01
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doaj-3800710c7d34429b8eaaf837078085be2020-11-24T23:25:18ZengInstituto de Tecnologia do Paraná (Tecpar)Brazilian Archives of Biology and Technology1516-89131678-43242009-08-0152494595210.1590/S1516-89132009000400018The influence of caffeine and thymol on the survival, growth and reproduction of Subulina octona (Brugüière, 1789) (Mollusca, Subulinidae)Paula FerreiraGeraldo Luiz Gonçalves SoaresSthefane D'ávilaElisabeth Cristina de Almeida BessaSubulina octona is a terrestrial snail which serves as an intermediate host for the parasites. It is also an agricultural pest. The aim of this work was to assess, during 120 days, the effects of caffeine and thymol at 2.5 g/L and 5 g/L on the hatchability, survival after hatching, growth and reproduction of S. octona under the laboratory conditions. A total of 240 eggs, 240 juveniles aged 10-day-old, and 240 aged 30-day-old were tested. The results showed that thymol (at 2.5 g/L and 5 g/L) and caffeine (at 5 g/L) acted as ovicides. In the 10-day-old juveniles, caffeine at 5 g/L caused 25% mortality and at 2.5 g/L it caused 30% mortality. Thymol at 2.5 and 5 g/L caused 20 and 22.5% mortality, respectively. In the 30-day-old juveniles, caffeine at 5 g/L caused 47.5% mortality.<br>Subulina octona é um molusco terrestre que atua como hospedeiro intermediário de parasitos. Também atua como praga agrícola. O objetivo deste trabalho foi avaliar, durante 120 dias, o efeito da cafeína e do timol a 2,5g/L e a 5g/L, sobre a eclodibilidade, a sobrevivência após a eclosão, crescimento e a reprodução de S. octona em condições de laboratório. Foram testados 240 ovos, 240 jovens com 10 e 30 dias de vida. Os resultados dos testes mostraram que o timol (5g/L e 2,5g/L) e a cafeína a 5g/L atuaram como ovicida. Nos jovens com 10 dias de vida a cafeína à 5g/L provocou uma mortalidade de 25% e a 2,5 g/L 30%. O timol a 2,5g/L e 5g/L provocou 20 e 22,5% de mortalidade, respectivamente. Nos jovens com 30 dias de vida a cafeína a 5g/L causou 47,5% de mortalidade. Esses resultados sugerem novos estudos no campo.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000400018CaffeineThymolmolluscicideSubulina octonasnail-terrestrial |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Paula Ferreira Geraldo Luiz Gonçalves Soares Sthefane D'ávila Elisabeth Cristina de Almeida Bessa |
spellingShingle |
Paula Ferreira Geraldo Luiz Gonçalves Soares Sthefane D'ávila Elisabeth Cristina de Almeida Bessa The influence of caffeine and thymol on the survival, growth and reproduction of Subulina octona (Brugüière, 1789) (Mollusca, Subulinidae) Brazilian Archives of Biology and Technology Caffeine Thymol molluscicide Subulina octona snail-terrestrial |
author_facet |
Paula Ferreira Geraldo Luiz Gonçalves Soares Sthefane D'ávila Elisabeth Cristina de Almeida Bessa |
author_sort |
Paula Ferreira |
title |
The influence of caffeine and thymol on the survival, growth and reproduction of Subulina octona (Brugüière, 1789) (Mollusca, Subulinidae) |
title_short |
The influence of caffeine and thymol on the survival, growth and reproduction of Subulina octona (Brugüière, 1789) (Mollusca, Subulinidae) |
title_full |
The influence of caffeine and thymol on the survival, growth and reproduction of Subulina octona (Brugüière, 1789) (Mollusca, Subulinidae) |
title_fullStr |
The influence of caffeine and thymol on the survival, growth and reproduction of Subulina octona (Brugüière, 1789) (Mollusca, Subulinidae) |
title_full_unstemmed |
The influence of caffeine and thymol on the survival, growth and reproduction of Subulina octona (Brugüière, 1789) (Mollusca, Subulinidae) |
title_sort |
influence of caffeine and thymol on the survival, growth and reproduction of subulina octona (brugüière, 1789) (mollusca, subulinidae) |
publisher |
Instituto de Tecnologia do Paraná (Tecpar) |
series |
Brazilian Archives of Biology and Technology |
issn |
1516-8913 1678-4324 |
publishDate |
2009-08-01 |
description |
Subulina octona is a terrestrial snail which serves as an intermediate host for the parasites. It is also an agricultural pest. The aim of this work was to assess, during 120 days, the effects of caffeine and thymol at 2.5 g/L and 5 g/L on the hatchability, survival after hatching, growth and reproduction of S. octona under the laboratory conditions. A total of 240 eggs, 240 juveniles aged 10-day-old, and 240 aged 30-day-old were tested. The results showed that thymol (at 2.5 g/L and 5 g/L) and caffeine (at 5 g/L) acted as ovicides. In the 10-day-old juveniles, caffeine at 5 g/L caused 25% mortality and at 2.5 g/L it caused 30% mortality. Thymol at 2.5 and 5 g/L caused 20 and 22.5% mortality, respectively. In the 30-day-old juveniles, caffeine at 5 g/L caused 47.5% mortality.<br>Subulina octona é um molusco terrestre que atua como hospedeiro intermediário de parasitos. Também atua como praga agrícola. O objetivo deste trabalho foi avaliar, durante 120 dias, o efeito da cafeína e do timol a 2,5g/L e a 5g/L, sobre a eclodibilidade, a sobrevivência após a eclosão, crescimento e a reprodução de S. octona em condições de laboratório. Foram testados 240 ovos, 240 jovens com 10 e 30 dias de vida. Os resultados dos testes mostraram que o timol (5g/L e 2,5g/L) e a cafeína a 5g/L atuaram como ovicida. Nos jovens com 10 dias de vida a cafeína à 5g/L provocou uma mortalidade de 25% e a 2,5 g/L 30%. O timol a 2,5g/L e 5g/L provocou 20 e 22,5% de mortalidade, respectivamente. Nos jovens com 30 dias de vida a cafeína a 5g/L causou 47,5% de mortalidade. Esses resultados sugerem novos estudos no campo. |
topic |
Caffeine Thymol molluscicide Subulina octona snail-terrestrial |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000400018 |
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