Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area
Insect pest populations exhibit seasonal dynamics in response to changes in resource availability or other environmental factors such as climatic conditions, natural enemies, and intra‐ or interspecific competition. Understanding such dynamics is critical for developing effective integrated pest management strategies. The objective of the present study was to identify factors driving the seasonal decline of the tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), in the shifting landscape of a vegetable‐growing area in Senegal. A set of 42 tomato fields was monitored for the number of T. absoluta adults caught in pheromone traps and for the incidence of larvae, during 5 months from June to November 2016 in the Niayes area (Senegal). The surface of solanaceous host crops, climatic conditions, and abundance of natural enemies were also monitored. A drastic decline in T. absoluta abundance was observed during the rainy season. The decrease in resource availability, especially tomato crops, in the surrounding landscape of monitored fields was the main factor affecting the population dynamics during the rainy season. However, alternative host crops such as eggplant and Ethiopian eggplant, can provide 'reservoirs' for residual populations of the pest. For applied purpose, it would be interesting to focus the management efforts on residual populations during the rainy season, to make more difficult the reconstitution of populations during the dry season.
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Subjects: | H10 - Ravageurs des plantes, Tuta absoluta, dynamique des populations, facteur climatique, lutte intégrée, saison sèche, Solanum lycopersicum, tomate, aubergine, http://aims.fao.org/aos/agrovoc/c_e844dfc3, http://aims.fao.org/aos/agrovoc/c_6111, http://aims.fao.org/aos/agrovoc/c_29554, http://aims.fao.org/aos/agrovoc/c_16187, http://aims.fao.org/aos/agrovoc/c_2400, http://aims.fao.org/aos/agrovoc/c_4475, http://aims.fao.org/aos/agrovoc/c_7805, http://aims.fao.org/aos/agrovoc/c_8998, http://aims.fao.org/aos/agrovoc/c_6970, |
Online Access: | http://agritrop.cirad.fr/590283/ http://agritrop.cirad.fr/590283/1/Sylla2018EEA.pdf |
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dig-cirad-fr-5902832024-01-29T01:29:12Z http://agritrop.cirad.fr/590283/ http://agritrop.cirad.fr/590283/ Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area. Sylla Serigne, Seydi Oumar, Diarra Karamoko, Brévault Thierry. 2018. Entomologia Experimentalis et Applicata, 166 (8) : 638-647.https://doi.org/10.1111/eea.12722 <https://doi.org/10.1111/eea.12722> Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area Sylla, Serigne Seydi, Oumar Diarra, Karamoko Brévault, Thierry eng 2018 Entomologia Experimentalis et Applicata H10 - Ravageurs des plantes Tuta absoluta dynamique des populations facteur climatique lutte intégrée saison sèche Solanum lycopersicum tomate aubergine http://aims.fao.org/aos/agrovoc/c_e844dfc3 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_29554 http://aims.fao.org/aos/agrovoc/c_16187 http://aims.fao.org/aos/agrovoc/c_2400 http://aims.fao.org/aos/agrovoc/c_4475 http://aims.fao.org/aos/agrovoc/c_7805 http://aims.fao.org/aos/agrovoc/c_8998 Sénégal http://aims.fao.org/aos/agrovoc/c_6970 Insect pest populations exhibit seasonal dynamics in response to changes in resource availability or other environmental factors such as climatic conditions, natural enemies, and intra‐ or interspecific competition. Understanding such dynamics is critical for developing effective integrated pest management strategies. The objective of the present study was to identify factors driving the seasonal decline of the tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), in the shifting landscape of a vegetable‐growing area in Senegal. A set of 42 tomato fields was monitored for the number of T. absoluta adults caught in pheromone traps and for the incidence of larvae, during 5 months from June to November 2016 in the Niayes area (Senegal). The surface of solanaceous host crops, climatic conditions, and abundance of natural enemies were also monitored. A drastic decline in T. absoluta abundance was observed during the rainy season. The decrease in resource availability, especially tomato crops, in the surrounding landscape of monitored fields was the main factor affecting the population dynamics during the rainy season. However, alternative host crops such as eggplant and Ethiopian eggplant, can provide 'reservoirs' for residual populations of the pest. For applied purpose, it would be interesting to focus the management efforts on residual populations during the rainy season, to make more difficult the reconstitution of populations during the dry season. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/590283/1/Sylla2018EEA.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1111/eea.12722 10.1111/eea.12722 info:eu-repo/semantics/altIdentifier/doi/10.1111/eea.12722 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1111/eea.12722 |
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H10 - Ravageurs des plantes Tuta absoluta dynamique des populations facteur climatique lutte intégrée saison sèche Solanum lycopersicum tomate aubergine http://aims.fao.org/aos/agrovoc/c_e844dfc3 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_29554 http://aims.fao.org/aos/agrovoc/c_16187 http://aims.fao.org/aos/agrovoc/c_2400 http://aims.fao.org/aos/agrovoc/c_4475 http://aims.fao.org/aos/agrovoc/c_7805 http://aims.fao.org/aos/agrovoc/c_8998 http://aims.fao.org/aos/agrovoc/c_6970 H10 - Ravageurs des plantes Tuta absoluta dynamique des populations facteur climatique lutte intégrée saison sèche Solanum lycopersicum tomate aubergine http://aims.fao.org/aos/agrovoc/c_e844dfc3 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_29554 http://aims.fao.org/aos/agrovoc/c_16187 http://aims.fao.org/aos/agrovoc/c_2400 http://aims.fao.org/aos/agrovoc/c_4475 http://aims.fao.org/aos/agrovoc/c_7805 http://aims.fao.org/aos/agrovoc/c_8998 http://aims.fao.org/aos/agrovoc/c_6970 |
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H10 - Ravageurs des plantes Tuta absoluta dynamique des populations facteur climatique lutte intégrée saison sèche Solanum lycopersicum tomate aubergine http://aims.fao.org/aos/agrovoc/c_e844dfc3 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_29554 http://aims.fao.org/aos/agrovoc/c_16187 http://aims.fao.org/aos/agrovoc/c_2400 http://aims.fao.org/aos/agrovoc/c_4475 http://aims.fao.org/aos/agrovoc/c_7805 http://aims.fao.org/aos/agrovoc/c_8998 http://aims.fao.org/aos/agrovoc/c_6970 H10 - Ravageurs des plantes Tuta absoluta dynamique des populations facteur climatique lutte intégrée saison sèche Solanum lycopersicum tomate aubergine http://aims.fao.org/aos/agrovoc/c_e844dfc3 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_29554 http://aims.fao.org/aos/agrovoc/c_16187 http://aims.fao.org/aos/agrovoc/c_2400 http://aims.fao.org/aos/agrovoc/c_4475 http://aims.fao.org/aos/agrovoc/c_7805 http://aims.fao.org/aos/agrovoc/c_8998 http://aims.fao.org/aos/agrovoc/c_6970 Sylla, Serigne Seydi, Oumar Diarra, Karamoko Brévault, Thierry Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area |
description |
Insect pest populations exhibit seasonal dynamics in response to changes in resource availability or other environmental factors such as climatic conditions, natural enemies, and intra‐ or interspecific competition. Understanding such dynamics is critical for developing effective integrated pest management strategies. The objective of the present study was to identify factors driving the seasonal decline of the tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), in the shifting landscape of a vegetable‐growing area in Senegal. A set of 42 tomato fields was monitored for the number of T. absoluta adults caught in pheromone traps and for the incidence of larvae, during 5 months from June to November 2016 in the Niayes area (Senegal). The surface of solanaceous host crops, climatic conditions, and abundance of natural enemies were also monitored. A drastic decline in T. absoluta abundance was observed during the rainy season. The decrease in resource availability, especially tomato crops, in the surrounding landscape of monitored fields was the main factor affecting the population dynamics during the rainy season. However, alternative host crops such as eggplant and Ethiopian eggplant, can provide 'reservoirs' for residual populations of the pest. For applied purpose, it would be interesting to focus the management efforts on residual populations during the rainy season, to make more difficult the reconstitution of populations during the dry season. |
format |
article |
topic_facet |
H10 - Ravageurs des plantes Tuta absoluta dynamique des populations facteur climatique lutte intégrée saison sèche Solanum lycopersicum tomate aubergine http://aims.fao.org/aos/agrovoc/c_e844dfc3 http://aims.fao.org/aos/agrovoc/c_6111 http://aims.fao.org/aos/agrovoc/c_29554 http://aims.fao.org/aos/agrovoc/c_16187 http://aims.fao.org/aos/agrovoc/c_2400 http://aims.fao.org/aos/agrovoc/c_4475 http://aims.fao.org/aos/agrovoc/c_7805 http://aims.fao.org/aos/agrovoc/c_8998 http://aims.fao.org/aos/agrovoc/c_6970 |
author |
Sylla, Serigne Seydi, Oumar Diarra, Karamoko Brévault, Thierry |
author_facet |
Sylla, Serigne Seydi, Oumar Diarra, Karamoko Brévault, Thierry |
author_sort |
Sylla, Serigne |
title |
Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area |
title_short |
Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area |
title_full |
Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area |
title_fullStr |
Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area |
title_full_unstemmed |
Seasonal decline of the tomato leafminer, Tuta absoluta, in the shifting landscape of a vegetable-growing area |
title_sort |
seasonal decline of the tomato leafminer, tuta absoluta, in the shifting landscape of a vegetable-growing area |
url |
http://agritrop.cirad.fr/590283/ http://agritrop.cirad.fr/590283/1/Sylla2018EEA.pdf |
work_keys_str_mv |
AT syllaserigne seasonaldeclineofthetomatoleafminertutaabsolutaintheshiftinglandscapeofavegetablegrowingarea AT seydioumar seasonaldeclineofthetomatoleafminertutaabsolutaintheshiftinglandscapeofavegetablegrowingarea AT diarrakaramoko seasonaldeclineofthetomatoleafminertutaabsolutaintheshiftinglandscapeofavegetablegrowingarea AT brevaultthierry seasonaldeclineofthetomatoleafminertutaabsolutaintheshiftinglandscapeofavegetablegrowingarea |
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1792499609315049472 |