Conifer Disease Quick Reference Quiz Conifer Disease Quick Reference 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: Conifer Disease Quick Reference Fact Sheet.Email(Required) 1) Poor growth, branch dieback, discolored and deteriorated roots on any conifer are typical signs/symptoms associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress2) Browning/purpling of interior needles of lower branches of spruce trees (particularly Colorado blue spruce), followed by needle drop are typical signs/symptoms associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress3) Purpling/browning of needles near branch tips or higher up in plants during the summer is a typical sign/symptom associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress4) Branch dieback on spruce trees with milky-white patches of dried sap on affected branches is a typical sign/symptom associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress5) Needle loss and dieback on spruce trees at or near branch tips are typical signs/symptoms associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress6) Brown blobs with orange gelatinous masses on junipers and yellow/orange leaf spots on other hosts are typical signs/symptoms associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress7) Browning and dieback of juniper branch tips in spring and early summer as new growth emerges are typical signs/symptoms associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress8) Dieback of Austrian pine branch tips with dead needles showing uneven lengths is a typical sign/symptom associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress9) Austrian pine needle tip browning and death with a distinct break between live and dead tissue is a typical sign/symptom associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress10) Needle browning/bleaching (particularly on yews) over winter or in spring as plants come out of dormancy is a typical sign/symptom associated with which of the following diseases/disorders.(Required)Select oneGymnosporangium rustsroot and crown rotsDothistroma needle blightwinter injury/burnCytospora cankerDiplodia shoot blight and cankerRhizosphaera needle castPhomopsis tip blightspruce needle dropdrought stress Δ
