Gymnosporangium Rusts Quiz Gymnosporangium Rusts Quiz Take the Quiz! Get a perfect score! Earn the medallion! Questions may have more than one correct answer. Be sure to select all answers that are correct. If you don't get a perfect score, you can take the quiz again until you do! Please provide your email address to receive your digital medallion. Reference: Gymnosporangium Rusts Fact Sheet.Email(Required) 1) Gymnosporangium rusts are caused by pathogens that spend part of their life cycles on woody rosaceous plants such as apple, crabapple and hawthorn, and part of their life cycles on true cedars.(Required) true false 2) Gymnosporangium rusts can readily kill host trees and shrubs.(Required) true false 3) Gymnosporangium rusts are caused by(Required) bacteria fungi water molds phytoplasmas nematodes viruses none of the above 4) Typical signs and symptoms associated with Gymnosporangium rusts can include(Required) flower death/abortion brown leaf spots swollen, spiny branches spiny fruit severe defoliation branch galls that produce orange gelatinous arms or masses 5) Preventative fungicide treatments are the easiest and best way to manage Gymnosporangium rusts(Required) true false 6) Strategies that can successfully help manage Gymnosporangium rusts include(Required) removing leaf debris from affected hosts in the fall pruning out infected branches physically separating (as far apart as possible) the alternate plant hosts using plant species that are immune to the diseases mulching properly Δ
