Distribution of the eggs of defoliating Lepidoptera (Noctuoidea) in soybean plants and its relation to crop phenology

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Soybean is a strategic crop for the economy of several South American countries. Phytophagous Lepidoptera are an important taxon affecting crop yield, being Anticarsia gemmatalis (Hübner) (Erebidae: Eulepidotinae), Rachiplusia nu (Guenée) and Chrysodeixis includens (Walker) (Noctuidae: Plusiinae) th...

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Autores principales: Valverde, Liliana, Virla, Eduardo, Van Nieuwenhove, Guido
Formato: Artículo revista
Lenguaje:Español
Publicado: Facultad de Ciencias Agrarias-UNCuyo 2017
Materias:
Glycine max
plagas
oviposición
distribución
densidades
pests
oviposition
distribution
densities
Acceso en línea:https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3088
Aporte de:
Revista de la Facultad de Ciencias Agrarias UNCuyo de Universidad Nacional de Cuyo
id I11-R107article-3088
record_format ojs
institution Universidad Nacional de Cuyo
institution_str I-11
repository_str R-107
container_title_str Revista de la Facultad de Ciencias Agrarias UNCuyo
language Español
format Artículo revista
topic Glycine max
plagas
oviposición
distribución
densidades
Glycine max
pests
oviposition
distribution
densities
spellingShingle Glycine max
plagas
oviposición
distribución
densidades
Glycine max
pests
oviposition
distribution
densities
Valverde, Liliana
Virla, Eduardo
Van Nieuwenhove, Guido
Distribution of the eggs of defoliating Lepidoptera (Noctuoidea) in soybean plants and its relation to crop phenology
topic_facet Glycine max
plagas
oviposición
distribución
densidades
Glycine max
pests
oviposition
distribution
densities
author Valverde, Liliana
Virla, Eduardo
Van Nieuwenhove, Guido
author_facet Valverde, Liliana
Virla, Eduardo
Van Nieuwenhove, Guido
author_sort Valverde, Liliana
title Distribution of the eggs of defoliating Lepidoptera (Noctuoidea) in soybean plants and its relation to crop phenology
title_short Distribution of the eggs of defoliating Lepidoptera (Noctuoidea) in soybean plants and its relation to crop phenology
title_full Distribution of the eggs of defoliating Lepidoptera (Noctuoidea) in soybean plants and its relation to crop phenology
title_fullStr Distribution of the eggs of defoliating Lepidoptera (Noctuoidea) in soybean plants and its relation to crop phenology
title_full_unstemmed Distribution of the eggs of defoliating Lepidoptera (Noctuoidea) in soybean plants and its relation to crop phenology
title_sort distribution of the eggs of defoliating lepidoptera (noctuoidea) in soybean plants and its relation to crop phenology
description Soybean is a strategic crop for the economy of several South American countries. Phytophagous Lepidoptera are an important taxon affecting crop yield, being Anticarsia gemmatalis (Hübner) (Erebidae: Eulepidotinae), Rachiplusia nu (Guenée) and Chrysodeixis includens (Walker) (Noctuidae: Plusiinae) their main pests in Subtropical region of South America. The objectives of this study were to determine the location in field of eggs of Lepidoptera Noctuids in different organs of the soybean plant and its abundance and distribution in the plants considering the growth stage of the crop. Samples were taken weekly during three crop seasons, on a plot of 80 ha of soybean managed with conventional farming practices. The identification of lepidopteran eggs was performed following specific keys. More than 90% of eggs of the three defoliating species are deposited in the folioles, and especially in those located on the middle and upper level of the plants. Throughout the development of the crop, the highest densities of eggs were recorded in early stages (vegetative and flowering) being less abundant at fruiting. The study of the egg distribution of these pest species at the plant provides necessary information to establish preventive strategies for their control.
publisher Facultad de Ciencias Agrarias-UNCuyo
publishDate 2017
url https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3088
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AT virlaeduardo distributionoftheeggsofdefoliatinglepidopteranoctuoideainsoybeanplantsanditsrelationtocropphenology
AT vannieuwenhoveguido distributionoftheeggsofdefoliatinglepidopteranoctuoideainsoybeanplantsanditsrelationtocropphenology
AT valverdeliliana distribuciondeloshuevosdelepidopterosdefoliadoreslepidopteranoctuoideaenplantasdesojaysurelacionconlafenologiadelcultivo
AT virlaeduardo distribuciondeloshuevosdelepidopterosdefoliadoreslepidopteranoctuoideaenplantasdesojaysurelacionconlafenologiadelcultivo
AT vannieuwenhoveguido distribuciondeloshuevosdelepidopterosdefoliadoreslepidopteranoctuoideaenplantasdesojaysurelacionconlafenologiadelcultivo
first_indexed 2022-06-20T13:52:35Z
last_indexed 2022-06-20T13:52:35Z
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