黄背毛木耳菌袋培养怎样进行分期管理?

2025-03-15 20:49:55
推荐回答(1个)
回答1:

培养室应选择避光、保湿、通风、洁净的房间。使用前用浓石灰水洗刷墙壁和地板,用清石灰水洗刷培养架;再用气雾消毒剂消毒密闭1昼夜后,开门窗通风换气。菌袋接种后,及时运入培养室内分层叠于培养架或在地面上堆叠发菌培养。堆叠不宜过高,一般以5~7层为宜。太高菌袋易变形,袋内温度易升高,会烧伤菌丝。养菌重点把握3个生长期。
(1)萌发期
接种后3~5天,室温应控制在26~28℃,使不同程度受损伤的菌种迅速得以恢复、定植、萌发。
(2)发育期
接种后5~10天,菌丝开始向四周料内伸入,并出现延长、分枝、分隔。随着菌丝体的生长发育,呼吸作用逐步加快,袋内温度升高1~2℃,室温应控制在25~26℃,相对湿度维持在70%以下。此时应翻动料袋1次,上下里外互换位置,挑出杂菌污染袋,结合调节室内温度,加强通风换气。接种后11~30天,是菌丝体吸收营养最强的阶段,菌丝洁白,舒展,生长旺盛,新陈代谢加快。此时,室温应控制在23~24℃,相对湿度保持在70%以下,并再次翻堆检查,剔除杂菌污染袋,加强通风换气。接种后30~40天,由于菌丝迅速生长,袋内氧气逐渐被消耗,二氧化碳逐渐积累,此时室温可控制在24~25℃,并加强通风换气,改善菌袋通气条件,加速菌丝生长。
(3)生理成熟期
即出耳前期,是营养生长的后期,又是生殖生长的前期,温度应控制在18~22℃,并注意加强通风换气,加大空气中的相对湿度,增强室内光照,以促进菌丝体的生理转化。整个菌丝体发育阶段需35~50天,空气相对湿度保持在75%以下。雨天注意通风换气,撒干石灰吸潮。

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