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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
21/02/2014 |
Actualizado : |
22/02/2014 |
Autor : |
Bertin, O.D. ; Bazzigalupi, O. |
Afiliación : |
Instituto Nacional de Tecnologia Agropecuaria. Estación Experimental Agropecuaria Pergamino |
Título : |
Fertilización nitrogenada en gramíneas forrajeras para semilla |
Fecha de publicación : |
1993 |
Fuente / Imprenta : |
Buenos Aires (Argentina): INTA. Pergamino, 1993. |
Páginas : |
24p. |
Serie : |
Informe Técnico (INTA. Pergamino) |
Idioma : |
Español |
Thesagro : |
ABONOS NITROGENADOS; APLICACION DE ABONOS; GRAMINEAS FORRAJERAS; PRODUCCION DE SEMILLAS. |
Asunto categoría : |
-- |
Marc : |
LEADER 00549nam a2200181 a 4500 001 1039424 005 2014-02-22 008 1993 bl uuuu u00u1 u #d 100 1 $aBERTIN, O.D. 245 $aFertilización nitrogenada en gramíneas forrajeras para semilla 260 $aBuenos Aires (Argentina): INTA. Pergamino$c1993 300 $a24p. 490 $aInforme Técnico (INTA. Pergamino) 650 $aABONOS NITROGENADOS 650 $aAPLICACION DE ABONOS 650 $aGRAMINEAS FORRAJERAS 650 $aPRODUCCION DE SEMILLAS 700 1 $aBAZZIGALUPI, O.
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INIA La Estanzuela (LE) |
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
30/01/2020 |
Actualizado : |
30/01/2020 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
Internacional - -- |
Autor : |
CUTI, L.; MURARO, D.S.; SILVA, V.A.; KASPARY, T. E.; BASSO, C.J.; ROGGIA, S. |
Afiliación : |
L. CUTI, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; D. S. MURARO, Universidade de São Paulo, Piracicaba, SP, Brazil; V. A. SILVA, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil; TIAGO EDU KASPARY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; C. J. BASSO, Universidade Federal de Santa Maria, Frederico Westphalen, RS, Brazil; S. ROGGIA, Empresa Brasileira de Pesquisa Agropecuária, Embrapa Soja, Londrina, PR, Brazil. |
Título : |
Leaf consumption and preference to conyza sp., conventional and bt soybean by helicoverpa armigera. [Consumo foliar e preferência alimentar de conyza sp., soja convencional e bt por helicoverpa armigera.] |
Fecha de publicación : |
2019 |
Fuente / Imprenta : |
Planta Daninha, 2019, Volume 37, Article number e019211566. OPEN ACCESS. Doi: http://dx.doi.org/10.1590/s0100-83582019370100123 |
ISSN : |
0100-8358 |
DOI : |
10.1590/s0100-83582019370100123 |
Idioma : |
Inglés |
Notas : |
Article history: Received: August 13, 2018 / Accepted: February 27, 2019. |
Contenido : |
ABSTRACT.
Helicoverpa armigera caterpillars are polyphagous and exhibit high migratory potential. Given the traits of this pest, alternative hosts located in or near the crop stand may support the survival and permanence of H. armigera in the field. The aim of this study was to investigate Conyza sp. as a food source for H. armigera caterpillars in scenarios with conventional and Bt soybean. Two experiments were conducted in biochemical oxygen demand incubators. The first assessed consumption of conventional soybean, Bt soybean and Conyza sp. leaves by 3rd and 5th instar caterpillars, with no choice given (no-choice test). The second test evaluated the food preference of 3rd instar H. armigera larvae, with two choices given (dual-choice test). Fifth instar larvae favored Conyza sp. leaves to Bt soybean, but preferred conventional soybean to both of these options. The survival of 3rd instar caterpillars did not differ statistically regardless of the plant species used as a food source. Fifth instar larvae fed Bt soybean exhibited lower survival rates when compared to Conyza sp. and conventional soybean. In dual-choice test arenas, soybean leaf consumption was superior to Conyza sp. Conventional soybean consumption was also greater when offered in conjunction with Bt soybean. Caterpillars offered Conyza sp. and Bt soybean leaves only consumed the weed species. Conyza sp. plants can serve as a food source for H. armigera larvae, which showed a preference for Conyza sp. leaves to Bt soybean. © 2019, Sociedade Brasileira da Ciencia das Plantas Daninha. All rights reserved. MenosABSTRACT.
Helicoverpa armigera caterpillars are polyphagous and exhibit high migratory potential. Given the traits of this pest, alternative hosts located in or near the crop stand may support the survival and permanence of H. armigera in the field. The aim of this study was to investigate Conyza sp. as a food source for H. armigera caterpillars in scenarios with conventional and Bt soybean. Two experiments were conducted in biochemical oxygen demand incubators. The first assessed consumption of conventional soybean, Bt soybean and Conyza sp. leaves by 3rd and 5th instar caterpillars, with no choice given (no-choice test). The second test evaluated the food preference of 3rd instar H. armigera larvae, with two choices given (dual-choice test). Fifth instar larvae favored Conyza sp. leaves to Bt soybean, but preferred conventional soybean to both of these options. The survival of 3rd instar caterpillars did not differ statistically regardless of the plant species used as a food source. Fifth instar larvae fed Bt soybean exhibited lower survival rates when compared to Conyza sp. and conventional soybean. In dual-choice test arenas, soybean leaf consumption was superior to Conyza sp. Conventional soybean consumption was also greater when offered in conjunction with Bt soybean. Caterpillars offered Conyza sp. and Bt soybean leaves only consumed the weed species. Conyza sp. plants can serve as a food source for H. armigera larvae, which showed a preference for Conyza sp. leaves t... Presentar Todo |
Palabras claves : |
Alternative host; Hospedeiro alternativo; Planta daninha; Weed. |
Thesagro : |
GLYCINE MAX. |
Asunto categoría : |
A50 Investigación agraria |
URL : |
http://www.scielo.br/pdf/pd/v37/0100-8358-PD-37-e019211566.pdf
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Marc : |
LEADER 02633naa a2200277 a 4500 001 1060726 005 2020-01-30 008 2019 bl uuuu u00u1 u #d 022 $a0100-8358 024 7 $a10.1590/s0100-83582019370100123$2DOI 100 1 $aCUTI, L. 245 $aLeaf consumption and preference to conyza sp., conventional and bt soybean by helicoverpa armigera. [Consumo foliar e preferência alimentar de conyza sp., soja convencional e bt por helicoverpa armigera.]$h[electronic resource] 260 $c2019 500 $aArticle history: Received: August 13, 2018 / Accepted: February 27, 2019. 520 $aABSTRACT. Helicoverpa armigera caterpillars are polyphagous and exhibit high migratory potential. Given the traits of this pest, alternative hosts located in or near the crop stand may support the survival and permanence of H. armigera in the field. The aim of this study was to investigate Conyza sp. as a food source for H. armigera caterpillars in scenarios with conventional and Bt soybean. Two experiments were conducted in biochemical oxygen demand incubators. The first assessed consumption of conventional soybean, Bt soybean and Conyza sp. leaves by 3rd and 5th instar caterpillars, with no choice given (no-choice test). The second test evaluated the food preference of 3rd instar H. armigera larvae, with two choices given (dual-choice test). Fifth instar larvae favored Conyza sp. leaves to Bt soybean, but preferred conventional soybean to both of these options. The survival of 3rd instar caterpillars did not differ statistically regardless of the plant species used as a food source. Fifth instar larvae fed Bt soybean exhibited lower survival rates when compared to Conyza sp. and conventional soybean. In dual-choice test arenas, soybean leaf consumption was superior to Conyza sp. Conventional soybean consumption was also greater when offered in conjunction with Bt soybean. Caterpillars offered Conyza sp. and Bt soybean leaves only consumed the weed species. Conyza sp. plants can serve as a food source for H. armigera larvae, which showed a preference for Conyza sp. leaves to Bt soybean. © 2019, Sociedade Brasileira da Ciencia das Plantas Daninha. All rights reserved. 650 $aGLYCINE MAX 653 $aAlternative host 653 $aHospedeiro alternativo 653 $aPlanta daninha 653 $aWeed 700 1 $aMURARO, D.S. 700 1 $aSILVA, V.A. 700 1 $aKASPARY, T. E. 700 1 $aBASSO, C.J. 700 1 $aROGGIA, S. 773 $tPlanta Daninha, 2019, Volume 37, Article number e019211566. OPEN ACCESS. Doi: http://dx.doi.org/10.1590/s0100-83582019370100123
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