14.人工培育的菌种有母种、原种和栽培种,又分别称为一级、二级和三级菌种。用食用菌的孢子或组织培育出的菌丝体称为母种,由母种扩大繁殖到木屑、棉籽壳等培养基上的菌种称为原种,再由原种扩大培养的菌种为栽培种。一支试管母种可繁殖3～5瓶原种,一瓶原种又可繁殖40～60瓶栽培种。 14. Artificially cultivated species of mother, original species and cultivars, also known as primary, secondary and tertiary species. Mycelia sprouted with edible fungi or tissue culture known as the mother of the species, expanded by the mother to breed woodchucks, cottonseed husk and other media on the species known as the original species, Cultivated species. One test tube mother can breed 3 to 5 bottles of original, a bottle of original breeding 40 to 60 bottles of cultivars.