A diverse collection of germplasm representing 24 taxa from Catalpa sect. Catalpa Paclt and sect.MacrocatalpaGrisebach, Chilopsis D. Don, and ·Chitalpa Elias & Wisura were screened for susceptibility to powdery mildew (PM) incited by Erysiphe elevata (Burr.) U. Braun & S. Takam and feeding by catalpa sphinx larvae (CSL), Ceratomia catalpae (Boisduval). PM screening was conducted on plants grown...

Arboretums are centers of introduction and study woody plants’ ecological biological characteristics, promising species identification for their subsequent in landscape construction. The dendrological park has conducted studies both wild introduced plants, 117 total. analysis urban conditions stability decorativeness species, including as well systematic, biomorphological chorologic analyses we...