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Brassica aphid (Hemiptera: Aphididae) populations are conditioned by climatic variables and parasitism level: a study case of Triângulo Mineiro, Brazil

Sampaio, M.V. ; Korndörfer, A.P. ; Pujade-Villar, J. ; Hubaide, J.E.A. ; Ferreira, S.E. ; Arantes, S.O. ; Bortoletto, D.M. ; Guimarães, C.M. ; Sánchez-Espigares, J.A. ; Caballero-López, B.

Bulletin of entomological research, 2017-06, Vol.107 (3), p.410-418 [Periódico revisado por pares]

Cambridge, UK: Cambridge University Press

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Título:
Brassica aphid (Hemiptera: Aphididae) populations are conditioned by climatic variables and parasitism level: a study case of Triângulo Mineiro, Brazil
Autor: Sampaio, M.V. ; Korndörfer, A.P. ; Pujade-Villar, J. ; Hubaide, J.E.A. ; Ferreira, S.E. ; Arantes, S.O. ; Bortoletto, D.M. ; Guimarães, C.M. ; Sánchez-Espigares, J.A. ; Caballero-López, B.
Assuntos: Abiotic factors ; Agricultural practices ; Agriculture ; Alloxysta fuscicornis ; Animals ; Aphididae ; Aphids - parasitology ; Aphids - physiology ; Arthropods ; Biology ; Brassica ; Brassicaceae ; Brassicaceae - growth & development ; Brazil ; Brevicoryne brassicae ; Catch per unit effort ; Chemical engineering ; Climate ; climatic variables ; Conditioning ; Conreus de protecció ; Crops ; Damage assessment ; Diaeretiella rapae ; Ecology ; Ecosystem biology ; Ecosystems ; Enginyeria química ; Greenhouse management ; Hemiptera ; Host-Parasite Interactions ; Hosts ; hurdle models ; Hymenoptera - physiology ; Insects ; Laboratories ; Leaves ; Lipaphis pseudobrassicae ; Myzus persicae ; Outbreaks ; Parasitism ; Parasitoids ; Pest control ; Pest outbreaks ; Pests ; Plant Leaves - growth & development ; Plants (botany) ; Population control ; Population distribution ; Populations ; Precipitation ; Rain ; Research Papers ; Temperature ; Variability ; Àrees temàtiques de la UPC
É parte de: Bulletin of entomological research, 2017-06, Vol.107 (3), p.410-418
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Cosmopolitan pests such as Brevicoryne brassicae, Lipaphis pseudobrassicae, and Myzus persicae (Aphididae) cause significant damage to Brassicaceae crops. Assessment of the important biotic and abiotic factors that regulate these pests is an essential step in the development of effective Integrated Pest Management programs for these aphids. This study evaluated the influence of leaf position, precipitation, temperature, and parasitism on populations of L. pseudobrassicae, M. persicae, and B. brassicae in collard greens fields in the Triângulo Mineiro region (Minas Gerais state), Brazil. Similar numbers of B. brassicae were found on all parts of the collard green plants, whereas M. persicae and L. pseudobrassicae were found in greatest numbers on the middle and lower parts of the plant. While temperature and precipitation were positively related to aphid population size, their effects were not accumulative, as indicated by a negative interaction term. Although Diaeretiella rapae was the main parasitoid of these aphids, hyperparasitism was dominant; the main hyperparasitoid species recovered from plant samples was Alloxysta fuscicornis. Parasitoids seem to have similar distributions on plants as their hosts. These results may help predict aphid outbreaks and gives clues for specific intra-plant locations when searching for and monitoring aphid populations.
Editor: Cambridge, UK: Cambridge University Press
Idioma: Inglês

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Brassica aphid (Hemiptera: Aphididae) populations are conditioned by climatic variables and parasitism level: a study case of Triângulo Mineiro, Brazil

Sampaio, M.V. ; Korndörfer, A.P. ; Pujade-Villar, J. ; Hubaide, J.E.A. ; Ferreira, S.E. ; Arantes, S.O. ; Bortoletto, D.M. ; Guimarães, C.M. ; Sánchez-Espigares, J.A. ; Caballero-López, B.

Cambridge, UK: Cambridge University Press

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