Natural enemies recovered from Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in Brazil.
The corn cropping system can influence the natural enemy identity and the number of Spodoptera frugiperda J.E. Smith, 1797 (Lepidoptera: Noctuidae) individuals infesting the cartridge, ear and stem of this plant. The objectives were to identify the S. frugiperda natural enemies and differences in the number of individuals infesting the cartridge, ear and stem of corn plants under conventional and organic cropping systems, in Brazil after an initial collection of adult males through semiochemical traps. We also evaluated key morphometrical parameters of the larva and factors contributing with the viability of S. frugiperda. A total of 16 and 136 adult males was trapped, and 1,124 and 1,112 larvae was recovered from conventional and organic systems with 4.7 and 6.7% of them parasitized by dipteran and hymenopteran, respectively. Most of the parasitoids recovered had occurrence in both cropping systems, except Cremastinae and Ophion flavidus Brullé, 1846 (Hymenoptera: Ichneumonidae), which were recorded only in organic and Campoletis sp. (Hymenoptera: Ichneumonidae) only in conventional corns. The number of parasitoids recovered was similar in corn plant samples between both cropping systems. A total of 152 and 31 larvae was recovered from corn ears under conventional and organic systems, respectively. Doru luteipes (Scudder, 1876) (Dermaptera: Forficulidae) was recovered from all samples under conventional system. The larva length was overall similar between cropping systems. Parasitism by dipteran and hymenopteran, infection by microorganisms, larva mortality by undetermined causes, and differences in viability of S. frugiperda stages were factors contributing with the supression of this pest. The new associations and parasitoids reported represent possibilities of expanding the biological control strategies to manage S. frugiperda in corn crops.
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2023-12-11
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Subjects: | Milharal, Praga de Planta, Lagarta, Inimigo Natural, Controle Biológico, |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1159443 https://doi.org/10.1590/0001-3765202320200042 |
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dig-alice-doc-11594432023-12-11T14:33:17Z Natural enemies recovered from Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in Brazil. SILVA, R. B. da CRUZ, I. FIGUEIREDO, M. de L. C. REDOAN, A. C. M. SHIMBORI, E. M. TAVARES, W. de S. DIAS, A. M. P. M. RAFAEL BRAGA DA SILVA, CENTRO UNIVERSITÁRIO DE SETE LAGOAS IVAN CRUZ, CNPMS MARIA DE LOURDES C. FIGUEIREDO, INSTITUTO MINEIRO DE AGROPECUÁRIA ANA CAROLINA M. REDOAN, BOLSISTA EDUARDO M. SHIMBORI, UNIVERSIDADE DE SÃO PAULO WAGNER DE S. TAVARES, ITCI HUTANI MANUNGGAL ANGÉLICA MARIA P. M. DIAS, UNIVERSIDADE FEDERAL DE SÃO CARLOS. Milharal Praga de Planta Lagarta Inimigo Natural Controle Biológico The corn cropping system can influence the natural enemy identity and the number of Spodoptera frugiperda J.E. Smith, 1797 (Lepidoptera: Noctuidae) individuals infesting the cartridge, ear and stem of this plant. The objectives were to identify the S. frugiperda natural enemies and differences in the number of individuals infesting the cartridge, ear and stem of corn plants under conventional and organic cropping systems, in Brazil after an initial collection of adult males through semiochemical traps. We also evaluated key morphometrical parameters of the larva and factors contributing with the viability of S. frugiperda. A total of 16 and 136 adult males was trapped, and 1,124 and 1,112 larvae was recovered from conventional and organic systems with 4.7 and 6.7% of them parasitized by dipteran and hymenopteran, respectively. Most of the parasitoids recovered had occurrence in both cropping systems, except Cremastinae and Ophion flavidus Brullé, 1846 (Hymenoptera: Ichneumonidae), which were recorded only in organic and Campoletis sp. (Hymenoptera: Ichneumonidae) only in conventional corns. The number of parasitoids recovered was similar in corn plant samples between both cropping systems. A total of 152 and 31 larvae was recovered from corn ears under conventional and organic systems, respectively. Doru luteipes (Scudder, 1876) (Dermaptera: Forficulidae) was recovered from all samples under conventional system. The larva length was overall similar between cropping systems. Parasitism by dipteran and hymenopteran, infection by microorganisms, larva mortality by undetermined causes, and differences in viability of S. frugiperda stages were factors contributing with the supression of this pest. The new associations and parasitoids reported represent possibilities of expanding the biological control strategies to manage S. frugiperda in corn crops. 2023-12-11T14:33:17Z 2023-12-11T14:33:17Z 2023-12-11 2023 Artigo de periódico Anais da Academia Brasileira de Ciências, v. 95, n. 4, e20200042, 2023. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1159443 https://doi.org/10.1590/0001-3765202320200042 Ingles en openAccess |
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Milharal Praga de Planta Lagarta Inimigo Natural Controle Biológico Milharal Praga de Planta Lagarta Inimigo Natural Controle Biológico |
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Milharal Praga de Planta Lagarta Inimigo Natural Controle Biológico Milharal Praga de Planta Lagarta Inimigo Natural Controle Biológico SILVA, R. B. da CRUZ, I. FIGUEIREDO, M. de L. C. REDOAN, A. C. M. SHIMBORI, E. M. TAVARES, W. de S. DIAS, A. M. P. M. Natural enemies recovered from Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in Brazil. |
description |
The corn cropping system can influence the natural enemy identity and the number of Spodoptera frugiperda J.E. Smith, 1797 (Lepidoptera: Noctuidae) individuals infesting the cartridge, ear and stem of this plant. The objectives were to identify the S. frugiperda natural enemies and differences in the number of individuals infesting the cartridge, ear and stem of corn plants under conventional and organic cropping systems, in Brazil after an initial collection of adult males through semiochemical traps. We also evaluated key morphometrical parameters of the larva and factors contributing with the viability of S. frugiperda. A total of 16 and 136 adult males was trapped, and 1,124 and 1,112 larvae was recovered from conventional and organic systems with 4.7 and 6.7% of them parasitized by dipteran and hymenopteran, respectively. Most of the parasitoids recovered had occurrence in both cropping systems, except Cremastinae and Ophion flavidus Brullé, 1846 (Hymenoptera: Ichneumonidae), which were recorded only in organic and Campoletis sp. (Hymenoptera: Ichneumonidae) only in conventional corns. The number of parasitoids recovered was similar in corn plant samples between both cropping systems. A total of 152 and 31 larvae was recovered from corn ears under conventional and organic systems, respectively. Doru luteipes (Scudder, 1876) (Dermaptera: Forficulidae) was recovered from all samples under conventional system. The larva length was overall similar between cropping systems. Parasitism by dipteran and hymenopteran, infection by microorganisms, larva mortality by undetermined causes, and differences in viability of S. frugiperda stages were factors contributing with the supression of this pest. The new associations and parasitoids reported represent possibilities of expanding the biological control strategies to manage S. frugiperda in corn crops. |
author2 |
RAFAEL BRAGA DA SILVA, CENTRO UNIVERSITÁRIO DE SETE LAGOAS |
author_facet |
RAFAEL BRAGA DA SILVA, CENTRO UNIVERSITÁRIO DE SETE LAGOAS SILVA, R. B. da CRUZ, I. FIGUEIREDO, M. de L. C. REDOAN, A. C. M. SHIMBORI, E. M. TAVARES, W. de S. DIAS, A. M. P. M. |
format |
Artigo de periódico |
topic_facet |
Milharal Praga de Planta Lagarta Inimigo Natural Controle Biológico |
author |
SILVA, R. B. da CRUZ, I. FIGUEIREDO, M. de L. C. REDOAN, A. C. M. SHIMBORI, E. M. TAVARES, W. de S. DIAS, A. M. P. M. |
author_sort |
SILVA, R. B. da |
title |
Natural enemies recovered from Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in Brazil. |
title_short |
Natural enemies recovered from Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in Brazil. |
title_full |
Natural enemies recovered from Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in Brazil. |
title_fullStr |
Natural enemies recovered from Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in Brazil. |
title_full_unstemmed |
Natural enemies recovered from Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in Brazil. |
title_sort |
natural enemies recovered from spodoptera frugiperda j.e. smith (lepidoptera: noctuidae) larvae infesting the cartridge, ear and stem of corn plants under conventional and organic farming systems in brazil. |
publishDate |
2023-12-11 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1159443 https://doi.org/10.1590/0001-3765202320200042 |
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