袋料野外栽培香菇是我国香菇生产的一大改革。但在长菇阶段,常出现“蜡烛菇”(有柄无盖),“松果菇”,“荔枝菇”等(菌盖结团无菌柄或不开伞)畸形变异菇。通过几年来观察分析,认为袋栽香菇产生畸形菇的原因,除菌种品质低劣、遗传特性不良或病毒感染等因素外,主要是人为方面的原因。一、品种选择不对路,我国香菇菌种有 Bag cultivation of wild mushrooms is a major reform of mushroom production in our country. However, in the mushroom stage, often appear “mushroom” (with no cover), “pineapple mushroom”, “lychee mushrooms” and so on. Through years of observation and analysis, it is considered that the reasons for the abnormality of mushrooms in bag-planting mushrooms are mainly man-made reasons except for poor quality of germ strains, poor genetic characteristics or virus infection. First, the wrong choice of species, mushroom strains in our country have