《Table 1 Contamination rate of C.faberi seeds with different disinfection treatments》

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《国兰组培中外植体高效消毒方法研究（英文）》

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As shown in Table 1，the contamination rates of seeds disinfected with 0.1%mercuric chloride for 3，5and 8 min were 25%，15%，and 10%，respectively.The contamination rate decreased with the extension of the contact time，indicating that the disinfection effects can be improved with the increase of the contac time.The contact times of 10%sodium hypochlorite were 10，15，and 20 min，and the contamination rates of seeds were 40%，25%and 15%respectively presenting a disinfection trend similar to that of the0.1%mercuric chloride，but with inferior effects The germination of seeds takes a long period of time The orchid seeds were not germinated during the experiment；therefore，the death rate of these seeds was not measured.The optimal disinfection scheme for C.faberi seeds was 75%ethanol for 45 s+0.1%mercuric chloride for 8 min.