A network that helps people worldwide obtain rapid advice and information on crop protection, including the identification and management of plant pests.
Crops > Trees, palms & pandanus > Trees > Spots on Quercus aff canariensis, South Australia
April 2011. Spots and blotches on Quercus aff canariensis from the Royal Botanic Gardens, Melbourne. It was not sure if the symptoms were due to environment or pathogen.