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Ngày xuất bản: 10/10/2022
Ngày xuất bản Online: 10/10/2022
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DOI: https://doi.org/10.52714/dthu.11.5.2022.984
Số xuất bản
Tập 11 Số 5 (2022): Chuyên san Khoa học Tự nhiên (Tiếng Anh)
Chuyên mục
Khoa học Tự nhiên (Tiếng Anh)
Trích dẫn bài báo
Khuat, D. L., Hoang, T. N., & Nguyen, T. O. (2022). Seasonal population dynamics of the oriental fruit fly, Bactrocera dorsalis (Hendel), in mango orchards, Cao Lanh city, Dong Thap province. Tạp chí Khoa học Đại học Đồng Tháp, 11(5), 85-92. https://doi.org/10.52714/dthu.11.5.2022.984

Seasonal population dynamics of the oriental fruit fly, Bactrocera dorsalis (Hendel), in mango orchards, Cao Lanh city, Dong Thap province

Khuat Dang Long1, Hoang Thi Nghiep2, Nguyen Thi Oanh2,
1 Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Vietnam
2 Faculty of Natural Sciences Teacher Education, Dong Thap University, Vietnam

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Tóm tắt

This report presents observational results of seasonal variations for nearly one year of the oriental fruit fly, Bactrocera dorsalis (Diptera: Tephritidae), collected using Malaise trap in mango orchards in Cao Lanh city, Dong Thap Province and the seasonal fluctuations of the pest were analyzed. A Malaise-trap was set in the mango orchard from June 2018 through April 2019 in Cao Lanh city, Dong Thap Province to investigate the occurrence of Bactrocera dorsalis. In the study, the total 1,335 specimens collected from a Malaise trap were shown that a strong dominance of Bactrocera dorsalis over the two other fruit fly species, being Bactrocera cucurbitae and Bactrocera zonata was recorded. The species oriental fruit fly, Bactrocera dorsalis, frequently appeared in mango orchards, with low numbers from July 2018 the February of the next year. The number of adult fruit flies markedly increased from mid-March to mid-June. Meanwhile, the number of adults entering traps peaked in mid-June 2018 and early April 2019, depending on the development cycle of mango trees. After that time, the density of fruit fly significantly reduced from early August to December.

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Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Từ khóa

Dong Thap, fruit fly, Malaise trap, mango, seasonal variations

Tài liệu tham khảo

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