科学家12日指出，15至20年内，沉睡在大西洋海床上的泰坦尼克号残骸将被食锈菌彻底吞噬，只留下一个大锈斑。
The wreck of the Titanic will be nothing more than a rust stain on the bed of the Atlantic within 15 to 20 years, scientists warned today.
表明此特异性引物可以用于玉米组织内南方锈菌的分子检测及病害的早期诊断。
The specific primers were used to amplify some fungal pathogens of maize and healthy tissues.
同一寄主来源的疱锈菌居群间存在遗传差异，但程度小于居群内。
There was genetic differentiation among population from the same host, but it was lower than that within population.
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