| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Milho e Sorgo. |
|
Data corrente: |
10/09/2002 |
|
Data da última atualização: |
07/06/2018 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
CRUZ, I.; GONÇALVES, E. P.; FIGUEIREDO, M. de L. C. |
|
Afiliação: |
IVAN CRUZ, CNPMS. |
|
Título: |
Effect of a nuclear polyhedrosis virus on Spodoptera frugiperda (Smith) (Lepidoptera:noctuidae) larvae, its damage and yield of maize crop. |
|
Ano de publicação: |
2002 |
|
Fonte/Imprenta: |
Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 1, n. 2, p. 20-27, maio/ago. 2002. |
|
Idioma: |
Inglês |
|
Conteúdo: |
The efficiency of Baculovirus in a wettable powder formulation to control the fall armyworm Spodoptera frugiperda (Smith) was evaluated using variations of the recommended dose of 50 grams per hectare (2.5 x 1011 polyhedron inclusion bodies - PIB ha-1): 50 or 100 g ha-1 applied once, and variations of two applications at seven-day intervals, of 25+25, 25 + 50, 50+25 and 50+50 g ha-1, compared to untreated plots. The treatments were arranged in a randomized complete block design with six replications. Each plant at 6-8 or 8-10-leaf growth stages, was artificially infested with 10 newly hatched larvae. The virus suspension (300 L ha-1) was applied 24 hours after larvae infestation using a back-pack-manual sprayer at 40 PSI (2.8 kg cm-2) and a regular flat fan nozzle. Larval mortality rate obtained from plots with the application of 50 g of Baculovirus wettable formulation ha-1, at once (96.2%), was significantly higher than that obtained with the application of 25+25 g ha-1 (85.3%) or 25 + 50 g ha-1 (87.8%). However, it was lower than that obtained from the other virus treatments, which had no significant difference among them (mean of 99.2%). The damage caused by S. frugiperda on the leaves of plants of untreated plots (average of 4.5 in an visual scale from 1 to 5) was significantly different from that observed in plots sprayed with virus (1.75 to 2.33). Plants protected with the virus produced significantly higher yield (mean of 7,577 kg ha-1) than plants unprotected (6,140 kg ha-1), that is, 23.4% higher. MenosThe efficiency of Baculovirus in a wettable powder formulation to control the fall armyworm Spodoptera frugiperda (Smith) was evaluated using variations of the recommended dose of 50 grams per hectare (2.5 x 1011 polyhedron inclusion bodies - PIB ha-1): 50 or 100 g ha-1 applied once, and variations of two applications at seven-day intervals, of 25+25, 25 + 50, 50+25 and 50+50 g ha-1, compared to untreated plots. The treatments were arranged in a randomized complete block design with six replications. Each plant at 6-8 or 8-10-leaf growth stages, was artificially infested with 10 newly hatched larvae. The virus suspension (300 L ha-1) was applied 24 hours after larvae infestation using a back-pack-manual sprayer at 40 PSI (2.8 kg cm-2) and a regular flat fan nozzle. Larval mortality rate obtained from plots with the application of 50 g of Baculovirus wettable formulation ha-1, at once (96.2%), was significantly higher than that obtained with the application of 25+25 g ha-1 (85.3%) or 25 + 50 g ha-1 (87.8%). However, it was lower than that obtained from the other virus treatments, which had no significant difference among them (mean of 99.2%). The damage caused by S. frugiperda on the leaves of plants of untreated plots (average of 4.5 in an visual scale from 1 to 5) was significantly different from that observed in plots sprayed with virus (1.75 to 2.33). Plants protected with the virus produced significantly higher yield (mean of 7,577 kg ha-1) than plants unprotected (6,140... Mostrar Tudo |
|
Thesagro: |
Controle biológico; Praga de planta. |
|
Categoria do assunto: |
H Saúde e Patologia |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/30705/1/Effect-nuclear.pdf
|
|
Marc: |
LEADER 02143naa a2200169 a 4500
001 1485760
005 2018-06-07
008 2002 bl uuuu u00u1 u #d
100 1 $aCRUZ, I.
245 $aEffect of a nuclear polyhedrosis virus on Spodoptera frugiperda (Smith) (Lepidoptera$bnoctuidae) larvae, its damage and yield of maize crop.$h[electronic resource]
260 $c2002
520 $aThe efficiency of Baculovirus in a wettable powder formulation to control the fall armyworm Spodoptera frugiperda (Smith) was evaluated using variations of the recommended dose of 50 grams per hectare (2.5 x 1011 polyhedron inclusion bodies - PIB ha-1): 50 or 100 g ha-1 applied once, and variations of two applications at seven-day intervals, of 25+25, 25 + 50, 50+25 and 50+50 g ha-1, compared to untreated plots. The treatments were arranged in a randomized complete block design with six replications. Each plant at 6-8 or 8-10-leaf growth stages, was artificially infested with 10 newly hatched larvae. The virus suspension (300 L ha-1) was applied 24 hours after larvae infestation using a back-pack-manual sprayer at 40 PSI (2.8 kg cm-2) and a regular flat fan nozzle. Larval mortality rate obtained from plots with the application of 50 g of Baculovirus wettable formulation ha-1, at once (96.2%), was significantly higher than that obtained with the application of 25+25 g ha-1 (85.3%) or 25 + 50 g ha-1 (87.8%). However, it was lower than that obtained from the other virus treatments, which had no significant difference among them (mean of 99.2%). The damage caused by S. frugiperda on the leaves of plants of untreated plots (average of 4.5 in an visual scale from 1 to 5) was significantly different from that observed in plots sprayed with virus (1.75 to 2.33). Plants protected with the virus produced significantly higher yield (mean of 7,577 kg ha-1) than plants unprotected (6,140 kg ha-1), that is, 23.4% higher.
650 $aControle biológico
650 $aPraga de planta
700 1 $aGONÇALVES, E. P.
700 1 $aFIGUEIREDO, M. de L. C.
773 $tRevista Brasileira de Milho e Sorgo, Sete Lagoas$gv. 1, n. 2, p. 20-27, maio/ago. 2002.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Agrobiologia. |
|
Data corrente: |
19/12/2018 |
|
Data da última atualização: |
29/04/2019 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 2 |
|
Autoria: |
SCHULTZ, H.; SILVA, E. da; AGUIAR-MENEZES, E. de L.; RESENDE, A. L. S.; ROUWS, J. R. C.; SILVA, A. R. M. da. |
|
Afiliação: |
HALINA SCHULTZ, UFRRJ; EDUARDO DA SILVA, UFRRJ; ELEN DE LIMA AGUIAR-MENEZES, UFRRJ; ANDRE LUIS SANTOS RESENDE, UFRRJ; JANAINA RIBEIRO COSTA ROUWS, CNPAB; ANA RAFAELA MOREIRA DA SILVA, UFRRJ. |
|
Título: |
Adequacy of Drosophila melanogaster as prey for the development and reproduction of Coleomegilla maculata. |
|
Ano de publicação: |
2019 |
|
Fonte/Imprenta: |
Biocontrol, v. 2019, v. 64, n. 1, p. 43-54, 2019. |
|
ISSN: |
1573-8248 |
|
DOI: |
https://doi.org/10.1007/s10526-018-09912-2 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Factitious prey are preferentially used to rear lady beetles in the laboratory in lieu of natural prey with an aim towards facilitating and lowering the cost of producing these predators. We tested the hypothesis that live dipteran larvae of Drosophilamelanogaster Meigen (factitious prey) meet the nutritional requirements of the coleopteran Coleomegilla maculata and can substitute for its natural aphid prey [Lipaphis erysimi (Kaltenbach)]. The biological cycle of C. maculata was faster and the immature stages suffered a lower rate of mortality when fed D. melanogaster larvae rather than when fed L. erysimi. The factitious prey resulted in improved reproductive attributes for C. maculata, with the exception of fecundity. The N content was the same for both prey types, but the dipteran larvae had a higher C content,water content and C:N ratio than the aphids. The conclusion of this study is that D. melanogaster larvae are adequate factitious prey for the development and reproduction of C. maculata under aboratory conditions. |
|
Palavras-Chave: |
Adult fitness; Immature stage fitness. |
|
Thesagro: |
Joaninha. |
|
Thesaurus NAL: |
Coccinellidae; Food quality. |
|
Categoria do assunto: |
O Insetos e Entomologia |
|
Marc: |
LEADER 01852naa a2200265 a 4500
001 2102113
005 2019-04-29
008 2019 bl uuuu u00u1 u #d
022 $a1573-8248
024 7 $ahttps://doi.org/10.1007/s10526-018-09912-2$2DOI
100 1 $aSCHULTZ, H.
245 $aAdequacy of Drosophila melanogaster as prey for the development and reproduction of Coleomegilla maculata.$h[electronic resource]
260 $c2019
520 $aFactitious prey are preferentially used to rear lady beetles in the laboratory in lieu of natural prey with an aim towards facilitating and lowering the cost of producing these predators. We tested the hypothesis that live dipteran larvae of Drosophilamelanogaster Meigen (factitious prey) meet the nutritional requirements of the coleopteran Coleomegilla maculata and can substitute for its natural aphid prey [Lipaphis erysimi (Kaltenbach)]. The biological cycle of C. maculata was faster and the immature stages suffered a lower rate of mortality when fed D. melanogaster larvae rather than when fed L. erysimi. The factitious prey resulted in improved reproductive attributes for C. maculata, with the exception of fecundity. The N content was the same for both prey types, but the dipteran larvae had a higher C content,water content and C:N ratio than the aphids. The conclusion of this study is that D. melanogaster larvae are adequate factitious prey for the development and reproduction of C. maculata under aboratory conditions.
650 $aCoccinellidae
650 $aFood quality
650 $aJoaninha
653 $aAdult fitness
653 $aImmature stage fitness
700 1 $aSILVA, E. da
700 1 $aAGUIAR-MENEZES, E. de L.
700 1 $aRESENDE, A. L. S.
700 1 $aROUWS, J. R. C.
700 1 $aSILVA, A. R. M. da
773 $tBiocontrol$gv. 2019, v. 64, n. 1, p. 43-54, 2019.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Agrobiologia (CNPAB) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Expressão de busca inválida. Verifique!!! |
|
|
