Association between entomofauna and weeds in sugarcane (Saccharum officinarum L.)
Introduction. Weeds in sugarcane crops can serve as reservoirs of a wide variety of beneficial insects that are useful for biological pest control. Objective. To study the association between beneficial insects and weeds present in sugarcane field edges. Materials and methods. Monthly visits were conducted from April to December 2018 in two sites, El Palmar and Turrialba, two sugarcane regions in Costa Rica. Twenty random sampling points were selected where all insects within a cubic structure of 0,25 m3 were aspirated. Plant species were identified, as well as the families and morphospecies of insects present; the latter were classified based on their feeding habits. Subsequently, a co-occurrence analysis between weeds and insects was performed. Results. A total of 140 species belonging to 41 families were identified, with 83 species in El Palmar and 120 in Turrialba. Weed diversity and richness was higher in Turrialba. A total of 13 689 arthropods distributed across 137 families were identified; the diversity, richness, and abundance showed similarity between both sites. The families Poaceae and Cicadellidae were the most frequently identified in both areas. In the co-occurrence analysis, the weed Kyllinga brevifolia Rottb. exhibited a positive association (p<0.05) with predator insect families such as Coccinellidae, Syrphidae, and Dolichopodidae. Additionally, the parasitoid insect family Eulophidae was associated with eight weed species. Conclusions. The study revealed an association between weed species and beneficial insects in sugarcane cultivars, suggesting their role in maintaining populations of natural enemies for pest control.
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Universidad de Costa Rica
2023
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Sáenz, Ángela S. Cadet-Piedra, Eduardo Gómez-Gómez, Robin |
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Sáenz, Ángela S. Cadet-Piedra, Eduardo Gómez-Gómez, Robin Association between entomofauna and weeds in sugarcane (Saccharum officinarum L.) |
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Sáenz, Ángela S. Cadet-Piedra, Eduardo Gómez-Gómez, Robin |
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Sáenz, Ángela S. |
| title |
Association between entomofauna and weeds in sugarcane (Saccharum officinarum L.) |
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Association between entomofauna and weeds in sugarcane (Saccharum officinarum L.) |
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Association between entomofauna and weeds in sugarcane (Saccharum officinarum L.) |
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Association between entomofauna and weeds in sugarcane (Saccharum officinarum L.) |
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Association between entomofauna and weeds in sugarcane (Saccharum officinarum L.) |
| title_sort |
association between entomofauna and weeds in sugarcane (saccharum officinarum l.) |
| description |
Introduction. Weeds in sugarcane crops can serve as reservoirs of a wide variety of beneficial insects that are useful for biological pest control. Objective. To study the association between beneficial insects and weeds present in
sugarcane field edges. Materials and methods. Monthly visits were conducted from April to December 2018 in two sites, El Palmar and Turrialba, two sugarcane regions in Costa Rica. Twenty random sampling points were selected where all insects within a cubic structure of 0,25 m3 were aspirated. Plant species were identified, as well as the families and morphospecies of insects present; the latter were classified based on their feeding habits. Subsequently, a co-occurrence analysis between weeds and insects was performed. Results. A total of 140 species belonging to 41 families were identified, with 83 species in El Palmar and 120 in Turrialba. Weed diversity and richness was higher in Turrialba. A total of 13 689 arthropods distributed across 137 families were identified; the diversity, richness, and abundance showed similarity between both sites. The families Poaceae and Cicadellidae were the most frequently identified in both areas. In the co-occurrence analysis, the weed Kyllinga brevifolia Rottb. exhibited a positive association (p<0.05) with predator insect families such as Coccinellidae, Syrphidae, and Dolichopodidae. Additionally, the parasitoid insect family Eulophidae was associated with eight weed species. Conclusions. The study revealed an association between weed species and beneficial insects in sugarcane cultivars, suggesting their role in maintaining populations of natural enemies for pest control. |
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Universidad de Costa Rica |
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2023 |
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https://revistas.ucr.ac.cr/index.php/agromeso/article/view/51502 |
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oai:portal.ucr.ac.cr:article515022023-12-13T20:00:02Z Association between entomofauna and weeds in sugarcane (Saccharum officinarum L.) Asociación entre entomofauna y arvenses en caña de azúcar (Saccharum officinarum L.) Sáenz, Ángela S. Cadet-Piedra, Eduardo Gómez-Gómez, Robin ecosystem services beneficial insects natural enemies Agrobiodiversity servicios ecositémicos insectos benéficos enemigos naturales agrobiodiversidad Introduction. Weeds in sugarcane crops can serve as reservoirs of a wide variety of beneficial insects that are useful for biological pest control. Objective. To study the association between beneficial insects and weeds present in sugarcane field edges. Materials and methods. Monthly visits were conducted from April to December 2018 in two sites, El Palmar and Turrialba, two sugarcane regions in Costa Rica. Twenty random sampling points were selected where all insects within a cubic structure of 0,25 m3 were aspirated. Plant species were identified, as well as the families and morphospecies of insects present; the latter were classified based on their feeding habits. Subsequently, a co-occurrence analysis between weeds and insects was performed. Results. A total of 140 species belonging to 41 families were identified, with 83 species in El Palmar and 120 in Turrialba. Weed diversity and richness was higher in Turrialba. A total of 13 689 arthropods distributed across 137 families were identified; the diversity, richness, and abundance showed similarity between both sites. The families Poaceae and Cicadellidae were the most frequently identified in both areas. In the co-occurrence analysis, the weed Kyllinga brevifolia Rottb. exhibited a positive association (p<0.05) with predator insect families such as Coccinellidae, Syrphidae, and Dolichopodidae. Additionally, the parasitoid insect family Eulophidae was associated with eight weed species. Conclusions. The study revealed an association between weed species and beneficial insects in sugarcane cultivars, suggesting their role in maintaining populations of natural enemies for pest control. Introducción. Las arvenses del cultivo de caña de azúcar pueden servir como reservorios de una gran cantidad de insectos benéficos útiles para el control biológico de plagas. Objetivo. Estudiar la asociación entre insectos benéficos y arvenses presentes en bordes de cañales. Materiales y métodos. Se realizaron visitas mensuales desde abril hasta diciembre del 2018, a dos sitios, El Palmar y Turrialba, dos regiones cañeras de Costa Rica. Se seleccionaron veinte puntos de muestreo al azar en donde se aspiraron todos los insectos contenidos en una estructura cuboide de 0,25 m3. Se identificaron las especies de plantas, así como las familias y morfoespecies de insectos presentes; estos últimos se clasificaron de acuerdo con su hábito alimenticio. Luego, se realizó un análisis de co-ocurrencia entre arvenses e insectos. Resultados. Se identificaron 140 especies de arvenses pertenecientes a 41 familias, 83 especies en El Palmar y 120 en Turrialba. La diversidad y riqueza de arvenses fue mayor en Turrialba. Se identificaron 13 689 artrópodos distribuidos en 137 familias; la diversidad, riqueza y abundancia en ambos sitios fue similar. Las familias Poaceae y Cicadellidae fueron identificadas con mayor frecuencia en ambas zonas. En el análisis de co-ocurrencia la arvense Kyllinga brevifolia Rottb., presentó una asociación positiva (p<0,05) con las familias de insectos depredadores Coccinellidae, Syrphidae y Dolichopodidae. La familia de insectos parasitoides Eulophidae se asoció con ocho especies de arvenses. Conclusiones. Se determinó asociación entre especies de arvenses e insectos benéficos en el cultivo de caña de azúcar, por lo que se puede asociar su papel al mantenimiento de las poblaciones de enemigos naturales para el control de plagas. Universidad de Costa Rica 2023-07-11 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Article Text Texto text/xml application/pdf application/epub+zip text/html audio/mpeg audio/mpeg https://revistas.ucr.ac.cr/index.php/agromeso/article/view/51502 10.15517/am.2023.51502 Agronomía Mesoamericana; 2023: Agronomia Mesoamericana: Vol. 34, Issue 3 (September-December) ; 51502 Agronomía Mesoamericana; 2023: Agronomía Mesoamericana: Vol. 34, Nº 3 (septiembre-diciembre) ; 51502 Agronomía Mesoamericana; 2023: Agronomia Mesoamericana: Vol. 34, Issue 3 (September-December) ; 51502 2215-3608 1021-7444 spa eng https://revistas.ucr.ac.cr/index.php/agromeso/article/view/51502/57310 https://revistas.ucr.ac.cr/index.php/agromeso/article/view/51502/56458 https://revistas.ucr.ac.cr/index.php/agromeso/article/view/51502/57311 https://revistas.ucr.ac.cr/index.php/agromeso/article/view/51502/57312 https://revistas.ucr.ac.cr/index.php/agromeso/article/view/51502/57313 https://revistas.ucr.ac.cr/index.php/agromeso/article/view/51502/57314 Copyright (c) 2023 Ángela S. Sáenz, Eduardo Cadet-Piedra, Robin Gómez-Gómez https://creativecommons.org/licenses/by-nc-nd/4.0 |