Alexander Tsarev
Mushroom industry

Arabic

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Yellow mold

Myceliophthora lutea, Chrysosporum merdarium, Sepedonium chrysospermum, Hypomyces chrysospermum

There are many kinds of yellow mold, which, if appear in great amounts, can cause a considerable yield loss.

The symptoms of this disease are yellow or tawny spots of fungi, usually with white fluffy edges, that appear on the compost. Other kinds of this disease have canary and sulphur colors. On the primary stage of development, the white fungus looks a lot like mushroom mycelium. As it develops further, the fungus changes its color, the spots merge and turn into a fallow color layer that is similar to the mycelium stroma between the casing layer and compost. Beds which are rich with yellow mold emit a strong metallic smell, similar to carbide or verdigris.

In most cases, the thin mushroom mycelium disappears from the casing layer and a great amount of pins die early.

Yellow mold produces a great amount of spores, which are easily carried by wind, flies, on personnels clothes and infect the compost again. It is considered that the spores of this mold are resistant to high temperatures, and that is why its rather hard to get rid of it.


The first signs of the yellow mold infection


The first signs of the yellow mold infection


The first signs of the yellow mold infection


Yellow mold in a bag of compost


Yellow mold mycelium in infected compost


A shelf with grown compost affected with yellow mold
Yellow mold usually appears when the temperature during pasteurization has been too low, that is, when compost wasnt heated to the required level, or didnt remain at the needed temperature for long enough. The compost structure also affects the development of yellow mold. Yellow mold is more often seen on heavy and greasy compost, than on light and dry compost.

Its impossible to control yellow mold disease during mushroom cultivation. The infected batches must be steamed as soon as possible.

All efforts must be made so as no to allow the appearance of yellow mold on a farm.

Comments

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

Chloe:

Hi kindly share your formula using 1000kgs wheat straw and no chicken manure. Email shroomcoenterprise...

Compost production: estimation of the process according...

Seyed Hoseini Iran:

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watering first flush mushrooms

Edwin, Harare:

Its best to water when pins are thumb size, increase air speed after watering so the surface of the mushrooms...

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

Ritesh Sharma, Dholpur, Rajasthan India:

My email id ritesh@. We are coming up with 52 Mushroom...

Compost production: estimation of the process according...

kharej:

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Hosur:

Usually paddy straw have a low structure.its have a fast degradable trait.so you have focus on your compost...

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

JKSingh , Lucknow, India:

We have developed formulations of making compost without chicken manure. It yields similar or even better...

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

JKSingh, Lucknow, India:

We have developed formulations of making compost without chicken manure. It yields similar or even better...

Mushrooms in Kazahstan

Dr Muhammad Ibrahim:

Mushroom production in controlled Climate. I want to establish controlled climate in Pakistan. How this...

watering first flush mushrooms

Sinda:

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