SOME URBAN TREES OF CALIFORNIA : MAINTENANCE PROBLEMS AND GENETIC IMPROVEMENT POSSIBILITIES by

@inproceedings{Barker1999SOMEUT,
  title={SOME URBAN TREES OF CALIFORNIA : MAINTENANCE PROBLEMS AND GENETIC IMPROVEMENT POSSIBILITIES by},
  author={Philips A. Barker},
  year={1999}
}
--Tree crew supervisors in 48 California cities were asked what problems they encounter with the five most common trees along their streets. The top five trees of the 20 most often named were sweetgum, Modesto ash, southern magnolia, planetree, and Chinese or lacebark elm. Major problems reported included root damage to sidewalks and curbs, growth of suckers from the root crown, exceptionally fast growth which necessitates frequent pruning, and litter of leaves and fruit. Genetic improvement… CONTINUE READING