Eden Research shares surge 20% on California approval for key fungicide

  • Eden Research PLC (AIM:EDEN, OTCQB:EDNSF) shares rose 20% on Tuesday after the company announced that its flagship biopesticide, Mevalone, has been approved for use against powdery mildew in Californian grape production. The green light from US regulators expands the product's existing authorisation in California, where it is already approved for use against Botrytis cinerea.