Studies on ()~(60)Co-γ irradiation of preservation of Pleurotus pulmonarius bad been carried out. The results showed that the optimum irradiation dose for stored Pleurotus pulmonarius which packed by PE was 2 kGy. With this dose, the preservation would prolong 10 days and the contents of vitamin C and amino acid in these Pleurotus pulmonarius had no significant change compared with unirradiated Pleurotus pulmonarius. Studies on ()~(60)Co-γ irradiation of wood chip compost also had been carried out. The results showed that their growth of hyph...