Alexander Tsarev
Mushroom industry

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Brown plaster mold

Papulaspora byssina, anamorfic или Athelia coprophila, teleomorfic

The reasons for the appearance of brown plaster mold are similar to the ones of the white plaster mold. Its presence indicates improper preparation of phase 1 compost, the presence of excessively moist, stuck together clumps of compost and its high pH level (perhaps due to insufficient amount of gypsum). Moreover, a disturbance in the process of compost pasteurization and conditioning, and improper hygiene at spawning can lead to an infection of a batch of compost with brown plaster mold.

Unlike the white plaster mold, the spots of the brown plaster mold mycelium become a granular mass of hazel color that looks much like fine sand. The «sand» feels like talc to the touch.


The development of the brown plaster moldon the casing layer


Brown plaster mold on a casing layer area that is infected with nematodes
The measures taken on order to avoid the appearance of brown plaster mold are similar to the ones for white plaster mold.

Some mushroom growers sprinkle the mold nidus with superphosphate in order to create an acid medium in the substrate.

Comments

Dmitry, Winnipeg, MB:

Alan,
I am dealing with compost production for a few good years in different countries and I am not...

Without chicken manure compost? Yes, it's possible...

Shankar India:

Sir please send formula for compost
Preparation without chicken manure.
Email: shankarsoftwr@gmail...

Without chicken manure compost? Yes, it's possible...

Zainab noor, Karachi Pakistan:

Hello. I am eager to know what alternate you have used instead of poultry manure for nitrogen. Please...

Царев Александр Владимирович:

Mr. Shaurya good day, Sorry I was on business travel. Because of it, I couldn't answer at your request...

Mushroom Days exhibition in Holland 29th – 31st of...

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Compost production: estimation of the process according...

hsham shhaq:

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Mushrooms in the basement (third part)

ferasof syria:

its m3

Shaurya Hoshiarpur punjab:

Sir you please go for decomposed coir pith, that’s the best casing material for mushrooms as it has almost...

Shaurya Hoshiarpur Punjab india:

For flies I would suggest take a bulb holder and fit bulb and wrap it with polythene bag and than apply...

How long can mushrooms be kept fresh?

Thiru:

I am from. Chennai, India. Interested in attending a mushroom course at your place.. Kindly advise...

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