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Damage caused by Bacchisa medioviolacea Breuning (Coleoptera: Cerambycidae) in Wild Apple (Docynia indica) orchards in Northwest Vietnam
Journal article   Open access   Peer reviewed

Damage caused by Bacchisa medioviolacea Breuning (Coleoptera: Cerambycidae) in Wild Apple (Docynia indica) orchards in Northwest Vietnam

Dao Ngoc Quang, Pham Quang Thu, Le Van Binh, Duy Long Pham, Tran Viet Thang, Trang A. A. Tong, Nguyen Hoai Thu, Nguyen Van Thanh, Nguyen Quoc Thong, Bui Quang Tiep, …
Horticulturae, Vol.8(12), Art. 1219
2022
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Published2.36 MBDownloadView
CC BY V4.0 Open Access

Abstract

Agriculture Horticulture Life Sciences & Biomedicine Science & Technology
The wood-borer Bacchisa medioviolacea Breuning (Coleoptera: Cerambycidae) is identified as a major new pest of Docynia indica (Rosales: Rosaceae) orchards in the northwest mountainous provinces of Vietnam. The life cycle extends over two years (721.7 days +/- 17.6 days), with overwintering as larvae. Adults emerge and disperse in summer. Females lay 6-12 eggs during an oviposition period of 2-3 days, and the incubation period ranges from 27 to 38 days. The larval and pupal periods take 554-701 days and 40-59 days, respectively. Adults survive for 12-23 days. In 2019, the damage incidence (P%) and the damage index (DI) in Yen Bai, Lao Cai, Lai Chau, and Dien Bien provinces ranged from 43.5% to 71.6% and 0.80 to 1.78, respectively. Further research on the distribution and host range of B. medioviolacea is required to help formulate a management strategy for this new orchard pest.

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3 Agriculture, Environment & Ecology
3.16 Phytochemicals
3.16.28 Antioxidant Activity
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Horticulture
ESI research areas
Agricultural Sciences
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