Molds threaten every cannabis crop. From small patient grows to large scale commercial growing operations, cannabis growers must remain vigilant to avoid crop loss and contamination. On this week's episode of Shaping Fire, host Shango Los talks with Kevin McKernan of Medicinal Genomics about the biology of both Botrytis and Powdery Mildew, how it spreads, breeding for resistance and a new assay that detects it before it can be seen with the naked eye.