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논문 기본 정보

자료유형
학술저널
저자정보
Bosomtwe Augustine (CSIR-Plant Genetic Resources Research Institute) 어진우 (국립농업과학원) 김명현 (국립농업과학원) 김민경 (국립농업과학원) 최순군 (국립농업과학원) 엽소진 (국립농업과학원) 방정환 (국립농업과학원) Owusu Danquah Eric (CSIR-Crops Research Institute)
저널정보
한국환경생물학회 환경생물 환경생물 제39권 제4호
발행연도
2021.12
수록면
536 - 541 (6page)

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초록· 키워드

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Pantala flavescens is a dominant Odonata species in the rice fields in Korea. To determine the effects of different temperatures on its larval growth and emergence, field and laboratory experiments were conducted. Larval growth was also monitored in mono-cropping and double-cropping rice fields. The growth of larvae was monitored every week by measuring the head width. In the field experiment, no difference was found in larval growth and emergence between the control temperature and +1.9°C of the control temperature. The larval growth was greater at 23°C than at 20°C laboratory temperatures, and no emergence was recorded at either temperature after eight weeks of monitoring. There was a quadratic relationship between larval growth and temperature in an incubator at five temperature regimes of 15, 20, 25, 30, and 35°C. Midseason water drainage caused the extinction of the existing individuals and newly hatched larvae dominated after re-watering in the rice fields. Larval size was greater in double-cropping fields than in mono-cropping fields in late July but the tendency was reversed in early August. The results of this study suggest that temperature warming will directly promote the larval growth of P. flavescens and indirectly influence seasonal growth via changes in water management in rice fields.

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