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KMID : 0613820220320080641
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Journal of Life Science
2022 Volume.32 No. 8 p.641 ~ p.646
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Researching the Occurrence Potential of Autoite for Living Modified Organism Maize Spill
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Eom Gyu-Hyeon
Jang Yoon-Hee
Du Xiao-Xuan
Kim Eun-Gyeong
Park Jae-Ryoung
Ryu Tae-Hun
Kim Kyung-Min
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Abstract
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There are concerns about the environmental release of living modified organism (LMO) maize created to increase yields. In fact, there are cases in which LMO crops for feed have been leaked in Korea to form autoite colonies, and concerns about LMO spill are intensifying. In this study, the possibility of environmental outflow and occurrence of native organisms was analyzed using maize feed and seeds distributed in Korea. In the evaluation of the possibility of spontaneous occurrence of maize in the event of an unintentional release of maize feed made by crushing maize, the incidence rate of maize was 0.01%, which was extremely low compared to the germination rate of maize seeds. A survey of the dormant rate of maize showed that all maize seeds collected every month were dead. In the germination rate test by temperature using Daehak wax corn and Kwangpyeongok, high germination rates were found at 20℃ and 30℃, and relatively low germination rates were found at 10℃ and 40℃. In addition, all germination tests showed a higher germination rate Daehak wax corn than Kwangpyeongok. The difference between domestic and overseas cultivation maize was confirmed through a survey on the agricultural properties of three varieties of maize. The data obtained through this experiment could be the basis for the evaluation of the weediness potential of environmental risk assessment and technology to suppress the occurrence of autoite in preparation for future LMO spills.
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KEYWORD
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Environmental risk assessment, germination, LMO, unintentional release, weediness
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