An inventory of parasitic Hymenoptera in banana plantations under two pesticide regimes
Identifieur interne : 002C82 ( Main/Exploration ); précédent : 002C81; suivant : 002C83An inventory of parasitic Hymenoptera in banana plantations under two pesticide regimes
Auteurs : Robert B. Jr Matlock [Costa Rica] ; Ramiro De La Cruz [Costa Rica]Source :
- Agriculture, ecosystems & environment [ 0167-8809 ] ; 2002.
Descripteurs français
- Pascal (Inist)
- Plantation, Inventaire faunistique, Modalité traitement, Lutte antidéprédateur, Lutte chimique, Efficacité traitement, Lutte dirigée, Abondance écologique, Diversité biologique, Hymenoptera, Musa, Citrus sinensis, Nématicide, Insecticide, Fongicide, Herbicide, Costa Rica, Richesse spécifique, Lutte biologique, Impact environnement, Bactris gasipaes, Gmelina arborea, Macadamia, AGRICULTURE FAIBLE NIVEAU INTRANTS, ENNEMI NATUREL.
- Wicri :
- geographic : Costa Rica.
- topic : Plantation, Insecticide, Herbicide.
English descriptors
- KwdEn :
- Application method, Biodiversity, Biological control, Chemical control, Citrus sinensis, Costa Rica, Ecological abundance, Environment impact, Faunal survey, Fungicide, Herbicide, Hymenoptera, Insecticide, LOW INPUT AGRICULTURE, Musa, NATURAL ENEMIES, Nematicide, Pest management, Planting, Species richness, Supervised control, Treatment efficiency.
Abstract
To evaluate the impact of pesticides used in banana cultivation on beneficial invertebrates, parasitic Hymenoptera were inventoried in six plantations that received conventional applications of herbicides, nematicides, fungicides and insecticides and in two plantations under low-input treatments. To put banana into perspective relative to other monocultures, parasitic Hymenoptera were compared with those found in four other crops: citrus, heart of palm, macadamia and Gmelina arborea. Over 7800 female parasitoids were collected in the inventory. Parasitoid abundance and species richness were greatest in low-input banana, intermediate in the four other monocultures and lowest in conventional banana. Parasitoid abundance and species richness were inversely related to rates of nematicide and insecticide application. Banana plantations had a characteristic parasitoid fauna distinct from the other crops, but there was no distinct parasitoid community associated with low-input vs. conventional banana. Differences in parasitoid richness among farms were not related to: (1) abundance of parasitoids at each site, (2) plantation size or age, and (3) parasitoid host affinities. These results are discussed in the context of historical lepidopteran outbreaks in banana associated with pesticide induced upsets of natural enemy control, and recommendations are offered about how pest management might be altered to minimize impacts on hymenopteran parasitoids.
Affiliations:
Links toward previous steps (curation, corpus...)
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- to stream PascalFrancis, to step Curation: 000204
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- to stream Main, to step Curation: 002C82
Le document en format XML
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<term>Biological control</term>
<term>Chemical control</term>
<term>Citrus sinensis</term>
<term>Costa Rica</term>
<term>Ecological abundance</term>
<term>Environment impact</term>
<term>Faunal survey</term>
<term>Fungicide</term>
<term>Herbicide</term>
<term>Hymenoptera</term>
<term>Insecticide</term>
<term>LOW INPUT AGRICULTURE</term>
<term>Musa</term>
<term>NATURAL ENEMIES</term>
<term>Nematicide</term>
<term>Pest management</term>
<term>Planting</term>
<term>Species richness</term>
<term>Supervised control</term>
<term>Treatment efficiency</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Plantation</term>
<term>Inventaire faunistique</term>
<term>Modalité traitement</term>
<term>Lutte antidéprédateur</term>
<term>Lutte chimique</term>
<term>Efficacité traitement</term>
<term>Lutte dirigée</term>
<term>Abondance écologique</term>
<term>Diversité biologique</term>
<term>Hymenoptera</term>
<term>Musa</term>
<term>Citrus sinensis</term>
<term>Nématicide</term>
<term>Insecticide</term>
<term>Fongicide</term>
<term>Herbicide</term>
<term>Costa Rica</term>
<term>Richesse spécifique</term>
<term>Lutte biologique</term>
<term>Impact environnement</term>
<term>Bactris gasipaes</term>
<term>Gmelina arborea</term>
<term>Macadamia</term>
<term>AGRICULTURE FAIBLE NIVEAU INTRANTS</term>
<term>ENNEMI NATUREL</term>
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<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Plantation</term>
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<front><div type="abstract" xml:lang="en">To evaluate the impact of pesticides used in banana cultivation on beneficial invertebrates, parasitic Hymenoptera were inventoried in six plantations that received conventional applications of herbicides, nematicides, fungicides and insecticides and in two plantations under low-input treatments. To put banana into perspective relative to other monocultures, parasitic Hymenoptera were compared with those found in four other crops: citrus, heart of palm, macadamia and Gmelina arborea. Over 7800 female parasitoids were collected in the inventory. Parasitoid abundance and species richness were greatest in low-input banana, intermediate in the four other monocultures and lowest in conventional banana. Parasitoid abundance and species richness were inversely related to rates of nematicide and insecticide application. Banana plantations had a characteristic parasitoid fauna distinct from the other crops, but there was no distinct parasitoid community associated with low-input vs. conventional banana. Differences in parasitoid richness among farms were not related to: (1) abundance of parasitoids at each site, (2) plantation size or age, and (3) parasitoid host affinities. These results are discussed in the context of historical lepidopteran outbreaks in banana associated with pesticide induced upsets of natural enemy control, and recommendations are offered about how pest management might be altered to minimize impacts on hymenopteran parasitoids.</div>
</front>
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<affiliations><list><country><li>Costa Rica</li>
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<name sortKey="De La Cruz, Ramiro" sort="De La Cruz, Ramiro" uniqKey="De La Cruz R" first="Ramiro" last="De La Cruz">Ramiro De La Cruz</name>
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