Puccinia horiana found in Mexico
Puccinia horiana (EPPO A2 quarantine pest) has been found in Mexico. The causal agent of white rust of chrysanthemums has been detected in several municipalities in the State of Mexico. USDA/APHIS has issued an import ban on cuttings, plants and cut flowers of chrysanthemums after Mexican chrysanthemums had been found infected by the fungus.
NAPPO Newsletter Vol. 13, No. 4, p. 13