They have tested rootstocks for Cotton Root Rot for many years and Dog Ridge and Salt Creek are best. All of the classic french rootstocks have little cotton root rot resistance. In Sonora, Mexico where cotton root rot is also a problem, Salt Creek is best. The staff feels Pierce's Disease is not a problem in the LaLaguna at Torreon because there are no native grapes there. The station has conducted a great deal of research for many years and have good records of variety and rootstock performance.
Funding is a major problem at the center.