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RISS 인기검색어
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- 저자 : 김삼규 ( S. K. Kim ) (검색결과 3 건)
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김삼규 ( Kim S. K. ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2017 강원 농업생명환경연구 Vol.29 No.2
The insecticidal effect of carbon dioxide on onion thrips, which is one of the maor pest insect of asparagus, was tested. High concentration of carbon dioxide had an insecticidal effect on the adults and larvae of onion thrips. Adult mortality was higher at 60% than at 40% CO<sub>2</sub> concentration. However, there was no significant larval mortality difference between two concentrations. Additionally, there was also no significant difference in treatment time required to result in adult and larval mortality at the low temperature at 60% concentration. Adult and larval mortality was increased with treatment time at the same temperature at 40% CO<sub>2</sub>. Adult mortality reached 100% at 60% CO<sub>2</sub>, 20°C, 24h treatment time, and at 40% CO<sub>2</sub>, 20°C, 24h treatment time. However, some larvae were still alive when the 100% adult mortality was achieved. There was a significant difference in adult and larval mortality under the same experimental conditions. Adult mortality was higher than larval mortality under same treatment conditions at low temperature (4°C) but the opposite result occurred at high temperature (20°C, 24°C). The results showed that high carbon dioxide concentrations could cause 100% adult onion thrips mortality within 24h, but it was not suitable for complete control of larval thrips.
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강원도 아스파라거스 파총채벌레 방제를 위한 종합적 방제방안
전신재 ( Jeon,S. J. ),김삼규 ( S. K. Kim ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2019 강원 농업생명환경연구 Vol.31 No.2
아스파라거스를 가해하는 총채벌레류 해충을 방제하기 위한 방법 중 가장 효과적은 방법은 살충제를 처리하는 것이나 아스파라거스의 경우 매일 수확하기 때문에 수확기에는 살충제 처리가 용이하지 않다. 아스파라거스에 발생하는 해충을 방제하기 위해 적용가능한 살충제는 총 114종이 등록되어 있으며 그 중 총채벌레 방제용 살충제는 60종이 등록되어 있다. 봄 수확기에 살충제를 처리할 경우에는 등록된 약제 살포 3-5일 경과 후 잔류허용기준 또는 정량한계 미만으로 검출되므로 잔류특성이 검증된 약제 살포 후 수확 한 아스파라거스를 저온저장고에 3일 이상 저장 후 출고하면 아스파라거스 농약잔류 안전성에 문제가 되지 않는다. 끈끈이트랩을 이용한 총채벌레 방제시 노란색과 파란색 끈끈이트랩 중 노란색 끈끈이 트랩의 파총채벌레 유인효과가 뛰어났다. 이산화탄소를 이용한 총채벌레 방제의 경우 60% 농도, 20°C, 24시간 또는 40%, 24°C, 24시간 처리 조건일 때 파총채벌레 성충과 유충에 대한 높은 살충효과를 나타냈다. 아스파라거스를 저장하는 2-4°C의 경우에는 고농도의 이산화탄소를 72시간 처리에도 유충이 살아남아 방제효과가 높지 않았다. 곤충병원성 곰팡이인 Beauveria bassiana와 Lecanicillium attenuatum은 토양에서 자연적으로 발생하는 곰팡이로 약제 살포가 어려운 봄 수확기 이전 토양에 존재하는 총채벌레 번데기를 방제하여 초기 총채벌레 밀도를 감소시키는데 큰 도움을 준다. Thrips are among the most important pests of asparagus. The most effective method to control this pest is to insecticides spraying. Currently, a total of 114 pesticides have been registered for the control of pests of asparagus, 60 of which are registered for thrips control. However, crops are harvested every day, applying insecticides to control thrips is not ideal. Moreover, a recent study has shown that depending on the type of registered insecticide used, less than the residual or quantitative limit could be detected at 3-5 days after spraying. Therefore, if the asparagus is harvested after the application of insecticides, it should be stored in a cold chamber for 3 or more days before being moved to market. The use of sticky traps to control thrips is effective not only for monitoring them but also for reducing their numbers without applying insecticides. Yellow and blue sticky traps were usually used, but the yellow traps have been shown to attract more thrips than the blue ones. A recent study showed the high insecticidal effects of carbon dioxide on adult and larval thrips, at 60% concentration (20°C for 24 hours) or 40% concentration (24°C for 24 hours). Soap was also shown to have a high insecticidal effect after thrips-infested asparagus was immersed in soap water (diluted 1,000 times) for 15 minutes. Entomopathogenic fungi, such as Beauveria bassiana and Lecanicillum attenuatum, which occur naturally in soil, also help to reduce the initial thrips population by attacking the pupae in the soil in the spring harvest period.
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강원도 아스파라거스 포장에서 끈끈이 트랩을 이용한 총채벌레 모니터링
전신재 ( Jeon S. J. ),김삼규 ( S. K. Kim ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2018 강원 농업생명환경연구 Vol.30 No.2
Thrips are among the most important insect pest on many agricultural crops, including asparagus. In this study, we monitored thrips in asparagus greenhouses in Yanggu, Gangwon Province using different colored sticky traps from 2016 to 2017. In total, four species of thrips on asparagus were found: Frankliniella occidentalis, F. intonsa, Thrips tabaci, and T. palmi. Among them, the onion thrips, T. tabaci, was the most abundant thrips throughout the year. In total, 1,286 and 1,236 individuals of thrips were caught on 166 yellow and blue sticky traps, and 4,412 and 2,541 were caught on 228 yellow and blue sticky traps in 2016 and 2017, respectively. The number of thrips attracted to sticky traps was significantly different between the yellow and blue sticky traps in 2017, but was not in 2016. The highest numbers of thrips were recorded at the end of May and mid-June in 2016, but this shifted to mid-July in 2017. This result indicated that the onion thrips population was greatly affected by many variables, such as temperature, pesticide application, and harvest time.
ScienceON
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