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图7. 常规PCR的检测灵敏度

Fig. 7. The detection sensitivity of R. solani by conventional PCR
M:DNA分子量标准(5 000 bp) DNA marker (5 000 bp);1—7:8.41×109—8.41×103 copies/μL质粒标准品8.41×109-8.41×103 copies/μL standard plasmids;8:空白对照 Blank control