“农科五号”平菇是北京市农科院1988年采用细胞工程技术获得的优良广温型菌种。该菌种菌丝洁白粗壮,气生菌丝旺盛,爬壁力强;菌丝生长适宜温度4～36℃,试管斜面6～8天长满管,原种18～22天长满瓶;出菇温度0～26℃,子实体四季均为黑色,在15℃以下菇体的颜色比黑木耳还深,有光泽;菌盖扇型,肉厚2～3厘 “Agronomy on the 5th” mushroom is Beijing Academy of Agricultural Sciences in 1988 using cell engineering technology to obtain excellent wide-temperature-type bacteria. The bacterial mycelium is white and sturdy, the aerial mycelium is strong and the climbing wall is strong; the suitable temperature for mycelial growth is 4~36 ° C., the tube is covered with tube for 6~8 days and the original seed is covered with bottles for 18~22 days; 0 ~ 26 ℃, fruiting bodies all seasons are black, below 15 ℃ mushroom body color is darker than the black fungus, shiny; mushroom cover fan, meat thickness 2 to 3 PCT