蘑菇、香菇、pinggudengqiuzaiguleidejunzhong,daduoshizaixiajijinxingshengchanhepeiyangde。zaigaowentiaojianxiazhizhong,wangwangwuranlvgao,erchengpinlvdi。yinci,weilebaozhengqiugushiqizhongzhihexiajijunzhongshengchandezhiliang,bixuzhuahaomiejun、接種、培養這三條技術措施。
一、抓好培養基滅菌:夏季溫度高,配製的培養基要求新鮮、不黴變,拌好的原料要及時裝入瓶、袋dai滅mie菌jun。製zhi做zuo瓶ping裝zhuang菌jun種zhong,要yao盡jin量liang減jian少shao棉mian塞sai和he牛niu皮pi紙zhi受shou潮chao現xian象xiang。每mei次ci滅mie菌jun時shi,應ying用yong塑su料liao袋dai封feng裝zhuang少shao量liang棉mian花hua和he牛niu皮pi紙zhi帶dai入ru一yi並bing滅mie菌jun。滅mie菌jun後hou,及ji時shi在zai接jie種zhong箱xiang內nei更geng換huan受shou潮chao的de封feng口kou物wu。采cai用yong袋dai式shi生sheng產chan菌jun種zhong,每mei道dao生sheng產chan環huan節jie都dou要yao輕qing裝zhuang、輕拿、輕放,凡是刺破、擠破、脹zhang壞huai的de塑su料liao袋dai,均jun應ying用yong醫yi用yong膠jiao布bu粘zhan封feng好hao或huo采cai用yong雙shuang層ceng袋dai套tao好hao。袋dai口kou可ke用yong橡xiang皮pi圈quan或huo撕si裂lie帶dai代dai替ti棉mian塞sai和he套tao環huan進jin行xing封feng紮zha。袋dai裝zhuang基ji質zhi可ke視shi裝zhuang料liao量liang的de多duo少shao,適shi當dang延yan長chang滅mie菌jun時shi間jian1-2小時,且排氣要慢。
二、改進接種技術:因接種箱內采用酒精燈火焰接種,溫度上升常達40-50℃,jiyizhuoshanghuotangsijunzhong。yinci,jiezhongyaoanpaizaizaowanhuoyejianqiwenshaodideshijianneijinxing。jiezhongshi,meicizhuanpingliangbichangguishengchanshishidangjianshao,jiezhongliangyaoxiangduizengda,pingkoushangbudelaohuajunsiyaowachuganjing。
三、加強菌種培養管理:菌種培養場地要求清潔、無毒、無蟲、涼爽、無陽光照射,相對濕度在60%以下。剛接好的菌種,必須等瓶袋外部和封口物幹燥後,再進行堆疊。堆疊的高度和堆間的距離,要掌握不產生堆溫、有利於通風、方便管理等原則。夏季製種染菌快,一般接種3天後應進行檢查,一旦發現汙染菌種就要及時清除。
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