实践证明，食用菌种生产过早，会造成菌种质量下降，甚至老死，于缩；生产过迟．则影响菇耳和适期种植，不利于高产。食用菌种适宜生产时间的确定，取决于从哪！级繁殖阶段开始。一套完整的食用菌种的扩大繁测技术，生产时间的基本排算方法是；川I植小Nu减去栽培林徊原种的繁殖 Practice has proved that the premature production of edible fungi will result in decline in the quality of strains, or even die, shrinking; production too late. Affect the mushroom ear and proper planting, is not conducive to high yield. Edible mushrooms for the production of the time to determine, depending on where! Stage of breeding begins. A complete set of edible fungus to expand the scope of testing techniques, the basic production time budget is; Sichuan I plant small Nu minus the plantation of the original breeding species