plums

Controlling Black Knot – #AskUConnExtension

What is Black Knot? Black Knot, is a disease commonly found on plums and Prunus┬áspecies. The fungus causes the plant to produce unusual galls which eventually grow to girdle twigs and branches, restricting water supply and killing portions of the canopy. It is spread to other plants via wind and water. Control Manage the disease […]