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Registro Completo |
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
25/01/2023 |
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Data da última atualização: |
26/01/2023 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
PARANHOS, B. A. G.; NAVA, D. E.; SÁ, L. A.; NICHOLAS, N.; MORELLI, R.; PONCIO, S. |
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Afiliação: |
BEATRIZ AGUIAR GIORDANO PARANHOS, CPATSA; DORI EDSON NAVA, CPACT; LUIZ ALEXANDRE SÁ; MANOUKIS NICHOLAS⁶, USDA-ARS; RENATA MORELLI, ProInsecta P&D, Piracicaba, SP; SONIA PONCIO, Federal Institute Farroupilha, Frederico Westphalen, RS. |
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Título: |
Will an exotic, competitive egg parasitoid displace a native larval parasitoid? |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONGRESS OF ENTOMOLOGY, 26., 2022, Helsinki. Entomology for our planet: book of abstracts. Kuopio: UEF, 2022. |
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Páginas: |
p. 602. |
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Idioma: |
Inglês |
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Notas: |
Edited by Heikki M. T. Hokkanen; Ingeborg Menzler-Hokkanen. |
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Conteúdo: |
Fopius arisanus Soman (Hymenoptera: Braconidae) is a generalist tephritid egg parasitoid from the Indo-Pacific region introduced to Brazil in 2012 to control the exotic fruit fly pest Bactrocera carambolae Drew & Hancock (Diptera: Tephritidae) in the northern region. Doryctobracon areolatus Szépligeti (Hymenoptera: Braconidae) is a native generalist parasitoid of second instar larval fruit flies from Central and South America. Because both species of fruit fly parasitoids share some genera of fruit fly hosts, we evaluated if the commercial release of F. arisanus could cause adverse effects (e.g., competitive displacement) on the native parasitoid. Host preference and competitive ability were compared using as hosts the native Anastrepha fraterculus Wiedemann (Diptera: Tephritidae) and the exotic Ceratitis capitata Wiedemann (Diptera: Tephritidae) fruit fly species. To evaluate host preference, choice and no-choice experiments were conducted with lines of F. arisanus reared from each of the hosts. Laboratory studies showed that F. arisanus accepted only 2-3% of the native hosts compared to 34-41% of the exotic hosts under no choice conditions, with similar results when given a choice of native and exotic hosts. The field cage choice study showed similar results when F. arisanus was reared on the exotic host, but when reared on the native host, F. arisanus parasitized more of the native host than when reared on the exotic host. However, both lines of the parasitoid preferred the exotic host. To evaluate competitive ability, experiments with both species together and separate were conducted in the laboratory and in field cages. Both experiments showed that F. arisanus had no measurable detrimental effect on the native parasitoid in either the native or exotic host. Indeed, the native parasitoid was consistently the superior competitor in native host even though it parasitized larvae while F. arisanus is an egg parasitoid. These results indicated that F. arisanus interacted minimally with the native parasitoid on the native host, and while it interacted with the native parasitoid on the exotic host, it did not detrimentally affect it. Thus, F. arisanus is unlikely to cause adverse effects on the native parasitoid, D. areolatus in Brazil. MenosFopius arisanus Soman (Hymenoptera: Braconidae) is a generalist tephritid egg parasitoid from the Indo-Pacific region introduced to Brazil in 2012 to control the exotic fruit fly pest Bactrocera carambolae Drew & Hancock (Diptera: Tephritidae) in the northern region. Doryctobracon areolatus Szépligeti (Hymenoptera: Braconidae) is a native generalist parasitoid of second instar larval fruit flies from Central and South America. Because both species of fruit fly parasitoids share some genera of fruit fly hosts, we evaluated if the commercial release of F. arisanus could cause adverse effects (e.g., competitive displacement) on the native parasitoid. Host preference and competitive ability were compared using as hosts the native Anastrepha fraterculus Wiedemann (Diptera: Tephritidae) and the exotic Ceratitis capitata Wiedemann (Diptera: Tephritidae) fruit fly species. To evaluate host preference, choice and no-choice experiments were conducted with lines of F. arisanus reared from each of the hosts. Laboratory studies showed that F. arisanus accepted only 2-3% of the native hosts compared to 34-41% of the exotic hosts under no choice conditions, with similar results when given a choice of native and exotic hosts. The field cage choice study showed similar results when F. arisanus was reared on the exotic host, but when reared on the native host, F. arisanus parasitized more of the native host than when reared on the exotic host. However, both lines of the parasitoid preferred t... Mostrar Tudo |
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Palavras-Chave: |
Hospedeiros nativos. |
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Thesagro: |
Ceratitis Capitata; Mosca das Frutas; Praga. |
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Thesaurus Nal: |
Fopius arisanus; Insects. |
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Categoria do assunto: |
O Insetos e Entomologia |
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Marc: |
LEADER 03131nam a2200265 a 4500
001 2151230
005 2023-01-26
008 2022 bl uuuu u01u1 u #d
100 1 $aPARANHOS, B. A. G.
245 $aWill an exotic, competitive egg parasitoid displace a native larval parasitoid?$h[electronic resource]
260 $aIn: INTERNATIONAL CONGRESS OF ENTOMOLOGY, 26., 2022, Helsinki. Entomology for our planet: book of abstracts. Kuopio: UEF$c2022
300 $ap. 602.
500 $aEdited by Heikki M. T. Hokkanen; Ingeborg Menzler-Hokkanen.
520 $aFopius arisanus Soman (Hymenoptera: Braconidae) is a generalist tephritid egg parasitoid from the Indo-Pacific region introduced to Brazil in 2012 to control the exotic fruit fly pest Bactrocera carambolae Drew & Hancock (Diptera: Tephritidae) in the northern region. Doryctobracon areolatus Szépligeti (Hymenoptera: Braconidae) is a native generalist parasitoid of second instar larval fruit flies from Central and South America. Because both species of fruit fly parasitoids share some genera of fruit fly hosts, we evaluated if the commercial release of F. arisanus could cause adverse effects (e.g., competitive displacement) on the native parasitoid. Host preference and competitive ability were compared using as hosts the native Anastrepha fraterculus Wiedemann (Diptera: Tephritidae) and the exotic Ceratitis capitata Wiedemann (Diptera: Tephritidae) fruit fly species. To evaluate host preference, choice and no-choice experiments were conducted with lines of F. arisanus reared from each of the hosts. Laboratory studies showed that F. arisanus accepted only 2-3% of the native hosts compared to 34-41% of the exotic hosts under no choice conditions, with similar results when given a choice of native and exotic hosts. The field cage choice study showed similar results when F. arisanus was reared on the exotic host, but when reared on the native host, F. arisanus parasitized more of the native host than when reared on the exotic host. However, both lines of the parasitoid preferred the exotic host. To evaluate competitive ability, experiments with both species together and separate were conducted in the laboratory and in field cages. Both experiments showed that F. arisanus had no measurable detrimental effect on the native parasitoid in either the native or exotic host. Indeed, the native parasitoid was consistently the superior competitor in native host even though it parasitized larvae while F. arisanus is an egg parasitoid. These results indicated that F. arisanus interacted minimally with the native parasitoid on the native host, and while it interacted with the native parasitoid on the exotic host, it did not detrimentally affect it. Thus, F. arisanus is unlikely to cause adverse effects on the native parasitoid, D. areolatus in Brazil.
650 $aFopius arisanus
650 $aInsects
650 $aCeratitis Capitata
650 $aMosca das Frutas
650 $aPraga
653 $aHospedeiros nativos
700 1 $aNAVA, D. E.
700 1 $aSÁ, L. A.
700 1 $aNICHOLAS, N.
700 1 $aMORELLI, R.
700 1 $aPONCIO, S.
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Registro original: |
Embrapa Clima Temperado (CPACT) |
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Registro Completo
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
27/09/1999 |
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Data da última atualização: |
28/04/2010 |
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Autoria: |
CARDOSO, M. J.; ANDRADE JUNIOR, A. S. de; MELO, F. de B. |
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Título: |
Niveis de nitrogenio, eficiencia de utilizacao de agua e produtividade de graos de milho sob irrigacao. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE ENGENHARIA AGRICOLA, 28., 1999, Pelotas. A Engenharia agricola: tendencias e inovacoes: anais. Pelotas: SBEA/UFPEL-FEA, 1999. |
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Descrição Física: |
1 CD-ROM. |
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Idioma: |
Português |
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Conteúdo: |
Avaliar a influencia de niveis de nitrogenio sobre a eficiencia de utilizacao de agua e a produtividade de graos de milho irrigado. Foram executados dois experimentos, sob irrigacao por aspersao convencional no municipio de Teresina, PI., em area experimental da Embrapa Meio-Norte, em solo Aluvial Eutrofico de textura media. Em um dos experimentos utilizou-se o hibrido triplo BR 3123 e no outro a variedade BR 5039. Os tratamentos foram cinco niveis de N, dispostos em delineamento de blocos casualizados, em um esquema fatorial e quatro repeticoes. Tanto para o HT como para a V houve efeito quadratico pra os caracteres peso de graos por espiga, peso de cem graos, PG e EUA em relacao aos niveis de N. O nitrogenio contribuiu, em termos relativos, em 40,2% para o aumento da PG do hibrido e 31,5% para a variedade. Em media, o BR 3123 produziu mais graos e utilizou mais eficientemente a agua quando comparado com a BR 5039. Os teores de N no tecido foliar indicaram deficiencia de elemento quando nao aplicado ao solo. |
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Palavras-Chave: |
Aspersao convencional. |
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Thesagro: |
Adubação; Irrigação; Milho; Nitrogênio; Zea Mays. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01772naa a2200229 a 4500
001 1056337
005 2010-04-28
008 1999 bl --- 0-- u #d
100 1 $aCARDOSO, M. J.
245 $aNiveis de nitrogenio, eficiencia de utilizacao de agua e produtividade de graos de milho sob irrigacao.
260 $c1999
300 $c1 CD-ROM.
520 $aAvaliar a influencia de niveis de nitrogenio sobre a eficiencia de utilizacao de agua e a produtividade de graos de milho irrigado. Foram executados dois experimentos, sob irrigacao por aspersao convencional no municipio de Teresina, PI., em area experimental da Embrapa Meio-Norte, em solo Aluvial Eutrofico de textura media. Em um dos experimentos utilizou-se o hibrido triplo BR 3123 e no outro a variedade BR 5039. Os tratamentos foram cinco niveis de N, dispostos em delineamento de blocos casualizados, em um esquema fatorial e quatro repeticoes. Tanto para o HT como para a V houve efeito quadratico pra os caracteres peso de graos por espiga, peso de cem graos, PG e EUA em relacao aos niveis de N. O nitrogenio contribuiu, em termos relativos, em 40,2% para o aumento da PG do hibrido e 31,5% para a variedade. Em media, o BR 3123 produziu mais graos e utilizou mais eficientemente a agua quando comparado com a BR 5039. Os teores de N no tecido foliar indicaram deficiencia de elemento quando nao aplicado ao solo.
650 $aAdubação
650 $aIrrigação
650 $aMilho
650 $aNitrogênio
650 $aZea Mays
653 $aAspersao convencional
700 1 $aANDRADE JUNIOR, A. S. de
700 1 $aMELO, F. de B.
773 $tIn: CONGRESSO BRASILEIRO DE ENGENHARIA AGRICOLA, 28., 1999, Pelotas. A Engenharia agricola: tendencias e inovacoes: anais. Pelotas: SBEA/UFPEL-FEA, 1999.
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