[Problem] To provide a cocoon cultivating apparatus capable of growing good-quality cocoons larger in a short period of time. A cocoon cultivation apparatus 1 includes a microbial bed 30 inoculated with gonococcus, a cultivation promotion rod 20 extending vertically and penetrating through the microbial bed 30, and a microbial bed in a cultivation space S formed therein. 30 and the house 10 which accommodates the cultivation promotion stick rod 20, and the humidifier 40 which discharge releases the particle grains of the activated water to the cultivation space S are provided. A coating containing a mineral that emits gamma rays is applied to the cultivation promotion rod 20. [Selection] Figure 1【課題】味の良い茸を短期間でより大きく育てることができる茸栽培装置を提供する。【解決手段】茸栽培装置１は、茸菌が接種される菌床３０と、鉛直方向に延び、菌床３０を貫通する栽培促進棒２０と、内部に形成される栽培空間Ｓ内に菌床３０及び栽培促進棒２０を収容する屋舎１０と、活性化された水の粒子を栽培空間Ｓに放出する加湿器４０とを備える。栽培促進棒２０には、ガンマ線を放射する鉱物を含む塗料が塗布される。【選択図】図１
