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yandouble

新虫 (小有名气)

[求助] 怎么观察霉菌孢子的萌发率,还有,怎么测定孢子萌发的芽管长度

我在做霉菌实验,大概是这样的,要用一种物质,比如药,来抑制霉菌孢子萌发,先把一定浓度(5乘以10的4次方)的霉菌孢子悬浮液,和一定浓度的药,加在液体培养基里面培养,过大概24h后,来观测这种药对霉菌孢子的抑制效果,检测一下孢子的萌发率,如果萌发,观测萌发的芽管长度是多少
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havedear

木虫 (正式写手)

【答案】应助回帖

感谢参与,应助指数 +1
显微镜下观察,统计每个视野下孢子的总数,与萌发数这样就可以计算萌发率了,芽管长度要通过目镜镜筒中测微尺进行测定,现在有些可以拍照的显微镜可以通过软件直接测量。
3楼2013-01-17 11:09:29
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wangjetby

木虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
好多这样的文献的,你是不是刚做实验啊。
According to Hallsworth et al. (2003), about 200 spores were examined microscopically for germination rate and germ-tube length after 8 h of incubation. Spores were considered germinated if the germ tube was equal to or greater than the diameter of the spore. Germinated spores were expressed as percentage of the total number of evaluated spores, and germ-tube length was determined with an ocular micrometer.
2楼2013-01-16 09:09:08
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