食用菌是一种营养丰富、味道鲜美、各种营养成分含呈比较平衡,具有一定食疗即用的保健食品.平菇也不例外.平菇通常是指糙皮侧耳(Pleu■otus ost■eatus)、美味侧耳(P.Sapidus)、冰菌作前长柄铡耳(P.■podoleucus)、榆黄蘑(citrinopileatus)等.它是后起之秀,目人工栽培面积较大的食用菌之一.过去的制种技术一般分为三级,即由一级母种,二是级原种、三级栽培种组成.其菌种的来源是从孢子分离培养,或组织分离培养获得菌丝 Edible fungus is a nutritious, delicious, all kinds of nutrients containing a balanced, with a certain therapeutic use of health foods. Pleurotus is no exception. Pleurotus ostus usually refers Pleurotus ostus P.Sapidus, P. ■ podoleucus, citrinopileatus, etc. It is one of the rising star and artificially cultivated edible fungi.In the past The seed production technology is generally divided into three levels, namely, by a mother, two is the original species, three cultivated species.The source of the strain is isolated from the spore culture, or tissue culture to obtain mycelium