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http://dx.doi.org/10.11625/KJOA.2020.28.2.251

Developmental Ecology and Temperature-dependent Development Model of Scotinophara lurida (Heteroptera: Pentatomidae)  

Choi, Duck-Soo (전남농업기술원 친환경농업연구소)
Kim, Hyo-Jeong (전남농업기술원 친환경농업연구소)
Oh, Sang-A (전남농업기술원 친환경농업연구소)
Lee, Jin-Hee (전남농업기술원 친환경농업연구소)
Cho, A-Hae (전남농업기술원 친환경농업연구소)
Ma, Kyung-Cheol (전남농업기술원 친환경농업연구소)
Publication Information
Korean Journal of Organic Agriculture / v.28, no.2, 2020 , pp. 251-261 More about this Journal
Abstract
The developmental ecology and temperature-dependent growth model were calculated to develop the Scotinophara lurida control technology, which is mainly affected by environmentally friendly rice cultivation. The survival rate of S. lurida after overwintering in 2019 showed that 167 of 224 survived and the survival rate was 72.8%. Overwintering adult of S. lurida occur in rice fields in mid-June, spawn in early July, and first-generation adults develop in mid-August. In order to determine the temperature-dependent growth model, the growth periods by temperature and development stage were investigated in a incubator at 18, 21, 24, 27, 30℃ and 14L: 10D. The period from egg to adult at the temperature of 18, 21, 24, 27, 30℃ was 119.8, 73.1, 53.5, 39.4, and 82.0 days, respectively. The best development temperature was at 27℃. The regression curve was obtained by analyzing the relationship between temperature and growth rate using the Excell program, and the base temperature threshold and effective cumulative temperature for each development stage were calculated. From eggs to 5 nymphs of S. lurida the base temperature threshold was 17.9℃ and the effective cumulative temperature was 380.2 DD.
Keywords
base temperature threshold; ecology; effective cumulative temperature; Scotinophara lurida; temperature-dependent development;
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