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Guide

Cultivation

Growing Problems

Contamination

Symptoms of bacterial contamination in mushroom growing, prevention and treatment tips

Examples of bacterial contamination in mushroom growing: Grain substrate, Agar, Liquid Culture, mushroom cake and fruit bodies. Practical cases and Q&A. Tips and tricks for prevention and treatment.

Bacterial Blotch

Bacterial Blotch

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Bacterial blotch pseudomonas tolaasii contamination on mushroom cap

Bacterial black brown blotch on mushroom cluster

Bacterial brown spot sunken lesions

Bacterial blotch disease mushroom cultivation

Mushroom caps crack radially after bacterial blotch

Condensation on the lid after using WD-40 method

Bacterial brown spot on mushrooms

Condensation on the lid before WD 40

Wet brown spot on mushroom cap bacterial blotch contamination

Millet spawn jar - wet slimy grain - example of bacterial contamination

Wondering if these spawn jars are contaminated or if it could be normal for spawn to bulk #2

Wondering if these spawn jars are contaminated or if it could be normal for spawn to bulk

This jar developed some dark wet spots - bacterial contam

All spawn jars were close to be fully colonised and the mycelium started to disappear what is the reason for that and how to avoid it next time

Mushroom aborts or Bacterial Blotch disease?

Multiple contam in all in one bag - bacterial slime, green and purplish red contamination

Contaminated spawn jar

Agar plates contamination for id

Liquid culture contamination

Update on my APE agar. You can see a small piece a yellow contam in the top left

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Diseases Mold