Pheromone-Based Mating Disruption of Conogethes punctiferalis (Lepidoptera: Crambidae) in Chestnut Orchards

Chestnuts ( Siebold and Zucc.) are one of the major agroforestry products in Korea, and is a major pest of the chestnut fruit. Pheromone-based mating disruption (MD) has emerged as a promising eco-friendly approach to reduce population levels and ultimately mitigate fruit damage. Field trials were c...

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Bibliographic Details
Published in:Insects (Basel, Switzerland) Switzerland), 2024-06, Vol.15 (6), p.445
Main Authors: Kim, Junheon, Jung, Seongchae, Kim, Young Un
Format: Article
Language:English
Subjects:
(E)-10-hexadecenal
Agroforestry
Biological control
Castanea crenata
Chestnut
Conogethes punctiferalis
Control
Cydia kurokoi
Damage
Diseases and pests
Disruption
Dosage
Effectiveness
Fruits
Insect pests
Insecticides
Males
Mating disruption
Moths
Nuts
Orchards
Performance evaluation
Pest control
Pests
Pheromones
Population levels
Quantitative analysis
Sexual behavior
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Summary:Chestnuts ( Siebold and Zucc.) are one of the major agroforestry products in Korea, and is a major pest of the chestnut fruit. Pheromone-based mating disruption (MD) has emerged as a promising eco-friendly approach to reduce population levels and ultimately mitigate fruit damage. Field trials were conducted over two years (2022-2023) in two commercial chestnut orchards in Central Korea that were infested with . Compared with the control treatment, the MD treatment effectively reduced the number of male captured in the MD treatment plots. Male catch inhibition (MCI) rates ranged from 70.5% to 82.7% in 2022 and from 87.8% to 95.1% in 2023. The MD efficacy (%) was calculated based on the total number of chestnut fruits collected and the number of fruits damaged by . In 2022, the MD efficacy of the single-dosage treatment (TS, 50 g/ha) was 63.9% in Orchard A and 73.6% in Orchard B. In 2023, the MD efficacies of the double-dosage treatment (TD, 100 g/ha) and the two-application treatment (TT, 50 g/ha in June and August) were 60.2% and 77.9% in Orchard A and 50.9% and 64.8% in Orchard B, respectively. This study confirms the efficacy of pheromone-based MD in reducing the numbers in chestnut orchards and damage to chestnut fruits.
ISSN:2075-4450
2075-4450
DOI:10.3390/insects15060445