工厂化食用菌栽培温度跟踪.doc

栽培瓶温度跟踪为了更好掌握培养室中栽培瓶的温度变化，随时了解其对菌丝生长的影响，使栽培瓶处于最佳的温度范围促使菌丝更快更健壮的生长为此进行了此次温度跟踪。1实验材料温度计32只，栽培瓶。 栽培瓶的选取：选取2月10日上午和中午接种的两批栽培瓶做跟踪。2观察方法2.1温度计的摆放：分别取16支温度计从下到上斜插入栽培瓶瓶间，定时对瓶间温度进行读取。2.2温度测量：每天下午15:00对选取的点进行温度记录并测料温。2.3菌丝生长观察 每天观察菌丝生长状况。2.4跟踪时间：从接种放置到搔菌共计20天计温19天。3结果与分析3.1温度计的摆放见图3.1。3.2 温度记录见表3.1-3.3。温度变化曲线见图3.2-3.4。菌丝生长状况见表3.4。表3.1第一次温度跟踪记录表天数瓶间温度/第1天16.516.516.115.214.915.115.715.916.616.516.115.915.515.816.116.3第2天1717.11716.816.616.816.916.817.317.21716.81717.317.417.2第3天17.317.617.717.21717.117.417.317.417.317.417.217.217.517.517.2第4天17.5181817.817.617.517.717.617.817.717.617.517.617.817.717.4第5天17.718.218.218.21818181817.817.817.817.517.81817.817.3第6天18.118.718.718.718.618.518.618.618.418.318.418.218.318.418.217.8第7天15.615.81616.216.216.216.216.616.616.61717.518181817.6第8天151515.215.515.315.415.816.31616.116.71715.8171716.5第9天151515.215.515.515.615.916.61616.216.917.316.117.317.516.9第10天14.514.714.915.115.115.315.816.115.816.116.615.817.117.116.516.8第11天14.514.71515.215.215.315.916.915.816.11716.917.117.216.216.8第12天151515.215.415.615.516.11716.116.517.216.117.517.517.517第13天151515.515.615.715.716.217.116.216.517.216.217.517.417.516.9第14天15.115.315.515.615.715.916.317.216.316.417.21617.317.317.117第15天15.115.415.415.615.816.116.417.316.416.517.115.917.117.116.217.1第16天15.515.515.615.815.916.216.417.116.717.416.11617.417.516.816.8第17天15.115.215.515.715.61616.216.916.41717.117.416.417.517.517.2第18天16.616.816.716.516.817.117.217.617.117.71818.21718.217.917.2第19天16.116.216.116.116.416.916.61717.1181818.417.118.218.217.5表3.2第二次温度跟踪记录表天数瓶间温度/第1天16.816.916.817.11716.817.117.316.916.516.915.916.217.217.217第2天16.816.816.716.816.816.616.81716.816.516.915.716.916.716.716.8第3天17.417.517.317.517.117.517.617.517.417.217.516.517.417.417.517.6第4天17.717.917.717.917.617.817.918.117.917.517.916.717.917.917.917.8第5天18.118.418.218.418.218.318.518.718.318.118.318.318.518.518.417第6天18.318.218.518.718.618.718.91918.518.518.718.718.818.818.717.2第7天17.217.117.217.818.218.518.518.417.218.318.518.818.618.11818.7第8天16.516.516.51717.317.617.417.516.617.617.818.21818.618.518.3第9天17171717.51818.518.218.21718.218.418.918.619.319.219第10天1716.91717.718.118.618.418.517.61818.5191919.619.519.3第11天17.217.117.51818.51918.718.91818.318.91919.42019.919.9第12天17.517.21818.218.219.119.119.11818.519.119.519.420.22020第13天17.617.217.718.218.31918.918.91818.519.219.519.620.22019.9第14天17.517.217.8181818.918.818.817.918.419.119.319.520.12019.9第15天17.517.217.817.91818.718.718.51818.41919.219.32019.819.8第16天17.617.417.91818.118.918.818.618.218.719.319.519.720.22019.8第17天17.517.417.91818.118.318.818.818.318.719.419.619.820.320.120第18天17.51817.9181818.118.31818.418.919.519.519.52019.719.5第19天16.616.9171717171716.81717.718.218.41818.518.217.8表3.3 料温记录表批次第1天第2天第3天第4天第5天第6天第7天第8天第9天第10天第11天第12天第13天第14天第15天第16天第17天第18天第19天一16.816.917.1171717.115.515.414.915.215.415.515.315.415.615.615.817.017.3二1716.817.317.617.417.517.617.817.216.817.416.517.317.117.017.417.317.613.3表3.4菌丝生长状况菌落形成时间束线产生时间底部菌丝出现时间菌丝束线连通时间菌丝发满时间一批次2881215二批次2781013从上述图表中可知前六天瓶间温度随着菌丝萌发吃料生长温度逐渐升高。逐步超过设定温度17.2，经转移后第8-9天温度出现短时下降后出现升高现象主要是转移后的培养室温度较前6天低瓶间温度出现下降情况。在两次测量中发现16层筐中均表现出从上向下数第三筐瓶间温度最高，这与室内热空气上升和顶部风循环较大从而使得第三筐温度最高是较为合理的解释。同时在后期由于菌丝发满栽培瓶，菌丝停止生长转入有效积温阶段（约从14天开始至第19天），呼吸作用减弱又会使料温保持在一定范围，而到最后由于培养室室温增加又会使瓶间温度上升同时料温也有小幅度的上升。在第一批次转移后第七天料温发生一次较大幅度的下跌，这与当时所处的培养位置有关，主要是此为处于蒸发器的斜下方使得温度下降较快而第二批次处于墙壁旁受到蒸发器和循环风机的影响较少从而料温处于一个较稳定的范围。从图表中可