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2015年,宁波口岸从美国苜蓿草中分离到一种茎属线虫,通过形态学和分子生物学方法,鉴定为鳞球茎茎线虫,这是我国口岸首次从牧草中截获该线虫。部分茎属线虫的核糖体28S和ITS基因DNA序列分析表明,28S基因是茎属线虫合适的DNA条形码基因。
In 2015, a nematode stem stem was isolated from the alfalfa in Ningbo Port. It was identified as D. dipsaci by morphology and molecular biology method. It was the first time that the nematode was intercepted from the pasture in our country. The DNA sequence analysis of the ribosomal 28S and ITS genes of some stem-stem nematodes showed that the 28S gene is a suitable DNA barcode gene for stem-line nematodes.