Some Chemical Constituents of Ten-Year-Old American Sycamore and Black Locust Grown In Illinois


  • Poo Chow
  • Gary L. Rolfe
  • Todd F. Shupe


American sycamore, black locust, alpha-cellulose, bottomland, coppice, extractives, holocellulose, Klason lignin, seedling, upland


Research was initiated to determine the effects of site (upland, bottomland) and tree origin (seedling, coppice) on the chemical composition of wood of two, ten-year-old hardwood species grown in Illinois. Ten-year-old black locust (Robinia pseudoacacia L.) and American sycamore (Platanus occidentalis L.) were evaluated for alcohol-benzene extractives, hot-water extractives, one-percent NaOH extractives. Klason lignin, holocellulose, and alpha-cellulose. Black locust had statistically higher alcohol-benzene extractives, hot-water extractives, and alpha-cellulose content than sycamore. A relationship between wood density and alpha-cellulose exists. Black locust yielded a higher mean Klason lignin value, and sycamore yielded a higher mean one-percent sodium hydroxide value hut the difference was not significant at the α = 0.05 level. The effects of site and origin were inconsistent for the different chemical properties. Black locust appears to be a favorable species for a variety of chemical constituents and can be successfully grown under different silvicultural methods.


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