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征集国内外１７个灰树花品系，通过室内外栽培试验结果，从中筛选出有代表性的优质菌株：ＧＦ１７为中温型，子实体形成、成熟温度１７～２６℃，最适温度２１～２２℃，早熟，子实体色泽乳白色或灰白色，单朵平均鲜重１４３ｇ，结实率超过９５％；ＧＦ５为中偏低温型，子实体形成、成熟温度１６～２０℃，最适温度１８℃，中熟，色泽黑色，单朵平均鲜重１１６．５ｇ，结实率９０％以上；ＧＦ１１、ＧＦ６为低温型，子实体形成、成熟温度１４～１９℃，最适温度１６℃，晚熟，色泽灰黑色，单朵平均鲜重分别为１５１．５ｇ和１１９．５ｇ，结实率超过８５％。发现不同品系之间各氨基酸含量存在差异，光照强度对子实体色泽和质量有着重要影响
A total of 17 strains of Grifola frondosa from home and abroad were collected and selected from the results of indoor and outdoor cultivation experiments. GF17 was moderately warm and fruiting body was formed. The mature temperature was 17-26 ℃ and the optimum temperature was 21-22 ℃ , Fruiting body color milky white or gray, the average single fresh weight 143g, seed setting rate of more than 95%; GF5 is low temperature type, the formation of fruiting bodies, the ripening temperature of 16 ~ 20 ℃, the optimum temperature of 18 ℃, Color black, single average fresh weight 116.5g, seed setting rate above 90%; GF11, GF6 low temperature type, fruiting bodies formed, the ripening temperature of 14 ~ 19 ℃, the optimum temperature of 16 ℃, late maturity, gray color black, single The average fresh weight was 151.5g and 119.5g, respectively. The seed setting rate exceeded 85%. It was found that there was a difference in amino acid content among different strains. The light intensity had an important influence on the color and quality of the fruiting bodies