The adventitious buds of Acer×freemanii‘ Autumn Blaze’ were placed in MS modified medium, and different concentrations of penicillin and “Yipeiling” were added. After 7d and 21d, the contamination rate of the bottle was investigated. Result shows that the addition of 20 mg·L^-1 “Yipeiling” is the optimal, and the contamination rate is 4.5% after 21 days of culture.
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Acer×freemanii‘ Autumn Blaze’