- Volume 7 Issue 1
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Molecular Identification of Sagittaria trifolia and S. aginash Based on Barcode
바코드에 의한 보풀속(Genus Sagittaria L.) 보풀과 벗풀의 동정
- Kim, Mi-Jung (National Institute of Agricultural Sciences) ;
- Lee, Jeongran (National Institute of Agricultural Sciences) ;
- Kim, Jin-Won (National Institute of Agricultural Sciences) ;
- Lee, In-Yong (National Institute of Agricultural Sciences)
- Received : 2018.01.31
- Accepted : 2018.03.21
- Published : 2018.03.31
Since sulfonylurea (SU) herbicide-resistant Monochoria korsakowii in Seosan reclaimed land in 1998 was reported first, herbicide-resistant weed species and their area of occurrence have been steadily increasing. In recent years, Sagittaria trifolia resistant to SU herbicides has been reported in Gimhae, Gyeongnam province. While collecting S. trifolia for constructing barcode database of major weeds we were suspicious by the continuous variation in the leave morphology of the species. In order to identify the S. trifolia from S. aginash we barcoded the species collected from domestic using ITS and compared the sequence variation with the ITS sequences of S. aginash downloaded from NCBI. As a result, it was found that the plants collected from the domestic did not have any variation among individuals although they showed wide morphological variation. On the other hand, interspecific variation between S. trifolia and S. aginash was 4.6%. Plants that are difficult to identify using morphological characters can be identified quickly and accurately using the barcode technique. Herbicide-resistant weeds may require different management practices depending on the species even in the same genus. Domestic herbicide-resistant weeds are steadily increasing. Therefore, accurate identification of these species must be preceded for effective weed control.
Barcode;ITS;Sagittaria aginash;Sagittaria trifolia
Supported by : Rural Development Administration
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