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

Царев Александр Владимирович:

Dear Shahnaz!
If I understand correctly, you have problems in switching from vegetative growth of...

Suhail, Riyadh:

I am trying to build a very small scale white button mushroom farm running on imported Phase 3 compost...

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Fred Siewert - Almaty:

I am intrested in your mushroom production and would like further contact.I am an interpreneur with my...

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Delhi:

I am new to Button Mushroom though I have done the technical course from DMR, Solan HP
I want you...

Compost Production. Personal opinion (Part 2)

Delhi:

I am new to Button Mushroom though I have done the technical course from DMR, Solan HP
I want you...

Compost Production. Personal opinion (Part 2)

Delhi:

I am new to Button Mushroom though I have done the technical course from DMR, Solan HP
I want you...

Fixed-speed fans in growing rooms

Shivam Vashisth, yamunangar india:

Dear Maria
I want to know the CFM for growing room and how to handle the air circulation in growing...

Compost Production. Personal opinion (Part 2)

kumaar,chennai,india:

your compost yard is very beautiful, but we want video is best

amir ommati:

thx a lot for your best answer to my mr tsarev.
1-for your first qustion i saw mycogone in day 13...

Царев Александр Владимирович:

Dear Amir Ommati!
On which day after the application of peat to compost, the first signs of a mikogon...

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