Root and Crown Rots Quiz Root and Crown Rots 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: Root and Crown Rots Fact Sheet.Email(Required) 1) Root and crown rots can affect both coniferous and deciduous trees.(Required) true false 2) Root and crown rots can be lethal diseases.(Required) true false 3) Symptoms of root and crown rots can include(Required) slow growth honey mushrooms discoloration of root and/or lower trunk tissue rhizomorphs mycelial fans canopy thinning 4) Root and crown rots are caused by(Required) bacteria fungi water molds phytoplasmas nematodes viruses none of the above 5) Some root and crown rot pathogens produce resting structures that can survive for decades in the soil.(Required) true false 6) Root and crown rots tend to be more of a problem when soil moisture is high. So, make sure not to overmulch around trees and shrubs.(Required) true false 7) If you have a heavy soil, you should try to improve soil drainage prior to planting trees and shrubs to prevent issues with root and crown rots. You should do this by adding sand to the soil.(Required) true false 8) Fungicides can be useful in the management of root and crown rots. The products available for root/crown rot control have broad spectrums of activity, so you don't need to know the exact organism(s) involved in the disease.(Required) true false Δ
