Category Archives: Root rot

New treatment for the management of Cotton Root Rot on winegrapes

Dr. David Appel, Extension Plant Pathologist with the Texas A&M AgriLife Extension Service contributed this article that describes a new treatment for one of the most devastating diseases of Texas winegrapes. This was research conducted by Dr. Appel and our own TPDDL diagnostician, Sheila McBride. -KO This disease, cotton root rot, occurs on winegrapes in the calcareous soils of Central, South, and West Texas where soil pH is well above 7. The most common symptom of CRR in grapes is a sudden wilt and death of the infected… Read More →

Root rot galore

A quick wrap of things seen in the last couple of weeks as temperature begin to get cooler.  At the Plant Clinic, we have some samples with root rot damage.  These are root rots of all kinds, occurring on woody ornamental and turf grasses.  Why is there a pickup in the incoming samples?  There is not an easy answer. It may be that since weather is getting cooler, more people are out in their yards -resulting in greater observations of the damage in the landscape.  Another explanation could… Read More →