Pure mycelium, which permeates from smoked silver-eared soot, needs to be hybridized in order to be used in the production of parent and cultivated varieties. The meeting method is as follows: First, inoculated the rock ear silver ear on the experimental medium, cultured for 5-7 days in an environment of 23 degrees C to 25 degrees C. After growing to the size of soybeans, white wood ear mycelium grows to the size of soybeans, add a small amount of gray mycelium and culture at the same temperature for 7-10 days. When the gray mycelium spreads in the test tube, it is the original strain.
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