What are the differences between pour plate and streak plate methods?
Posted January 9, 2024
Basis of differentiation |
Pour plate method |
Streak plate method |
Definition |
Is a microbial technique utilized for isolating and counting the number of viable microorganisms in a liquid sample |
Is a microbial technique used to spread a liquid sample containing bacteria onto a solid surface, making it simpler to count and separate individual bacterial colonies |
Accuracy |
Is highly accurate |
Is comparatively less accurate |
Microbial growth |
Anaerobes, aerobes, and facultative anaerobes can all be quantified |
The only bacteria able to be quantified are anaerobes |
Use of glass spreader |
Is not used |
Uses a glass spreader |
Sample adding |
Sample is added to the solidified medium using an inoculating loop |
Sample is mixed with molten agar and poured into a plate |
Medium used |
Requires solidified agar plates |
Requires liquid molten agar media |