Decay at the terminal portion of the flowering stem of poinsettia, due to infection by Botrytis cinerea Dark blotches are bract inf...

Rapid elongation of poinsettia stem infected with Sphaceloma poinsettiae Poinsettia scab, caused by the fungus Sphaceloma poinsettiae ,...

Fig. 1. Poinsettia- the Christmas flower (with permission Benson, et al. 2002. Plant Health Progress doi:10.1094/PHP-2002-0212-01-RV). ...

Have you been having a problem with Pythium root rot at your facility? Do you think that you may have resistant isolates? If so, you can co...

About Pythium Pythium species are  “water molds” that produce swimming spores called zoospores. There are many species of Pythium .   Some...