2011
DOI: 10.1590/s0006-87052011000200018
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Tabelas de esperança de vida e fertilidade de Myzus persicae sobre pimentão em laboratório e casa de vegetação

Abstract: Estudos de tabelas de vida de insetos-praga em diferentes temperaturas auxiliam na compreensão da dinâmica populacional desses organismos. Objetivou-se calcular tabelas de esperança de vida e de fertilidade de Myzus persicae criado em pimentão Capsicum annuum, em diferentes condições térmicas. O estudo foi realizado em câmaras climatizadas, nas temperaturas de 15, 20, 25 e 30 ºC, UR de 70±10% e fotofase de 12 horas, e em casa de vegetação em temperaturas oscilantes, com média de 24,9 ºC e UR de 68,1%. A longev… Show more

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Cited by 9 publications
(2 citation statements)
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“…Both species delivered around three or four nymphs per day although the length of the reproductive period was significantly higher for M. persicae, than for A. gossypii. This finding clashes with the idea of a less adapted M. persicae to hot climates; namely this species showing higher fertility and longevity at temperatures below 15 • C [37]. Nevertheless, the trait values we observed seem to reflect the adaptation of the aphid to chili pepper crops.…”
Section: Discussioncontrasting
confidence: 99%
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“…Both species delivered around three or four nymphs per day although the length of the reproductive period was significantly higher for M. persicae, than for A. gossypii. This finding clashes with the idea of a less adapted M. persicae to hot climates; namely this species showing higher fertility and longevity at temperatures below 15 • C [37]. Nevertheless, the trait values we observed seem to reflect the adaptation of the aphid to chili pepper crops.…”
Section: Discussioncontrasting
confidence: 99%
“…These viruses, transmitted through the stylet when feeding, appear in a non-persistent manner (unpublished data). The higher population growth of A. gossypii, a consequence of better adaptation to tropical climates [32] than M. persicae [37], could be reflected in a larger virus spread. However, our demographic results for M. persicae suggest that this species could be adapting to warm climates.…”
Section: Discussionmentioning
confidence: 99%