A study was carried out to identify the life cycle of Adoxophyes orana (Lepidoptera: Tortrididae) that inflicts tea tree leaves in Korea and selected three ecofriendly pesticides (Common name for commercial: Essential oil, Nemacatch, and Wormstop in Korean Farmers’ Market) of A. orana for pest control. A. orana appeared to follow four life cycle phases a year; each presenting varying developmental periods dependent on seasonal and environmental factors. The fecundity of A. orana female was 24.6±4.10 for 1st, 36.7±12.77 for 2nd, and 27.9±4.22 for 3rd phase during 2011, while it was 65.0±32.72, 49.7±30.27, 63.8±27.22 for corresponding phases during 2012. The average longevity of adult A. orana was 7.72 days. The average number of eggs deposited by each female in this study group was 44.62 with an average of 2.47. In three selected ecofriendly pesticides, the mortality of A. orana on treating with the Essential oil [The essential oil of Chamaecyparis obtuse (100%)] and Nemacatch [Azadirachtin 800-900 ppm (75%)] were 36.67% and 43.33% after 3 days and were 48.30% and 56.67% after 7days, respectively. Besides, the mortality of A. orana on treating with Wormstop [Azadirachtin 500 ppm (5%) and Salannin+Liminoids (95%)] was 61.67% and 78.33% after 3 and 7 days, respectively. Therefore, the application of Wormstop was the most useful to control the diseases caused by A. orana.
목차
Abstract Introduction Materials and Methods Investigation of life cycle Ecofriendly pest control Results and Discussion Life cycle of A. orana Control of pest with ecofriendly pesticides Acknowledgments References
키워드
Adoxophyes oranaecofriendly pesticideslife cyclemortalitytea tree
저자
Chong Kyu Lee [ Department of Forest Resources, Gyeongnam National University of Science and Technology, Jinju 660-758, Republic of Korea ]
Young Min Kang [ Herbal Medicine Resources Group, Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon 305-811, Republic of Korea ]
Corresponding author