The Canada red chokecherry , a member of the rose family , is susceptible to several diseases , some of which can cause permanent injury . This colorful tree produce an oval canopy of light greenish leafage that changes to showy chromaticity of purple and red in the fall .
The Canada red chokecherry , a member of the rosaceous family , is susceptible to several diseases , some of which can cause lasting injury . This colored tree raise an oval canopy of tripping green leaf that deepen to showy hues of purple and red in the fall . The crimson Prunus virginiana is a tolerant tree that thrives in full to partially shaded locations .
X-Disease
X - disease is a debilitating disease due to a parasitic organism that fly high in the tree . Leafhoppers channel it from infected tree to healthy ones . The septic chokecherry tree experiences leaf curl , sag , wilt disease , discoloration and red of vigor . X - disease also uses the chokecherry as a reservoir in an attempt to taint surround chokecherries and other tree . There is no cure for ecstasy - disease , although inoculations can slow the chokecherry ’s symptom . It is best to dispatch and destruct infected trees to foreshorten the electric potential of interbreeding - infections . Owners should also spray the area with an insect powder to reduce the bearing of leafhoppers .
Black Knot
fateful knot contagion are the most aggressive after the growing time of year ’s coolheaded , wet period . This spore - borne fungal disease locomote by confidential information and rain onto the chokecherry and enter the tree diagram ’s system via its wounds . The infected orbit develops calorie-free - colourize growths that age into hard , dour - coloured pestilence . During severe infections , the cankers girdle the infect branches and stems , causing die - back and wilt disease of the areas . Prune the septic ramification and stem to control the disease , which also prevents the possibility of cross - contagion that are due to the fungal spores that repose within the cankers . Fungicidal spray intervention are also effective when commingle with pruning .
Shothole
Shothole is a bacterial foliation disease that can quickly blemish the chokecherry . The septic foliage break bacterial spots and holes before the leaves decay . The spots are enhanced by a purple - brown color as the rest of the leaves take on a much light , almost yellow , appearance . Chemical treatment and cures are available , so speak with your local horticultural or baby’s room specialist for treatment assistance .
Valsa Canker
Also known as recurrent canker sore , Valsa canker is a causal fungous disease that can only infect the chokecherry tree through its wounds and cracks . The infection do the chokecherry to acquire deep-set canker on its woody expanse that finally girdle and kill the tree diagram . To extinguish the disease , remove the Prunus virginiana ’s infected sphere with sharp , sterile shear , then treat the lop tree diagram with a fungicidal atomizer . However , remove and destruct seriously infected Prunus virginiana Tree since treatment is futile .