Mushroom farm field visit
Purpose
The puurpose of the field visit was to observe how mushrooms are produced.
Introduction
Man have managed to manipulate the growing environment of edible Basidiomycetes and optimise their production. To this end a wide variety of mushroom are now commercially grown mushrooms.
Materials and Methods
Basically the mushroom growing process involves the use of substrate such as wheat straw. The straw is prepared by pastuerising it and incubating it through various decomposition stages with the aid of chicken manure and urea under various specific temperature, oxygen and humidity conditions.
After weeks of preparing the substrate, the substrate is packaged in wooden trays and the substrate is inoculated with spawn in form of grain colonised with the mushroom fungi. After inoculation, the substrate containging spawn is incuubated at different growing temperatures which are dependent of the mushroom that is being grown until they start emerging and reach a certain size required for harvest.
Results
Wheat straw before (right) and after(left) decomposition
Decomposed straw in wooden trays
Spawn applied to decomposed straw in incubation room
Mushroom emerging and masses of mycelium colonising the decomposed straw
Mushroom emerging and ready for harvest
Verticillium problem addressed by aplying salt
Some off type mushroom with exposed gills
Brown mushroom emerging
Discussion
Mushroom production is one of the various ways that man appreciates and benefit from fungi, at least it takes away the "bad guy" perception that ordinary people always associate with fungi particularly in their role in both plant and animal diseases.
Interestingly there are also some fungi such as Verticilium spp and moulds that can be problematic in mushroom production. The major challenge for most mushroom producers is mangaging such problematic fungi as they try not to use fungicides to manage them.
Conclusion
Mushroom production is a well thought way of manipulating growing conditions to optimize the growth of an intended fungi.Challenges still exist especially in managing uninteded fungi and tthere lies opportunities for plant pathologist to develop acceptable management strategies.
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