Dutch Elm Disease Ophiostoma ulmi Home 9 Invaders 9 Category: Forest Pests & Pathogens ( Page 2 ) Background Dutch elm disease is caused by a fungus (Ophiostoma ulmi) that has been killing native elm trees in North America. The disease is spread...
Invasive Carps Home 9 Tag: horticulture What is Ontario Doing? To prevent these unwanted invaders from coming into the province, Ontario has regulated all four species of invasive carps (Silver Carp, Bighead Carp, Grass Carp, and Black Carp) as...
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