Abstract
The tung-oil tree (Aleurites fordii) was planted extensively in the southeastern United States in the 40's and 50's for their high quality oil used in jet engines and paint. Elimination of import tariffs destroyed the US industry. There is a possibility of a resurgence in popularity of this species as an ornamental because of its large leaves, spring flowers, and dense growth. If nurseries begin growing tung-oil trees they must have more information on the most efficient means of seed germination. One hundred percent of the seeds with intact shells germinated in 9 weeks if they received either 24 hr stratification or 24 hr. soak. Eighty-three percent of the untreated intact seeds germinated in the same period. Shell removal sped up germination as evidenced by 27% germination in 5 weeks. However the process left seeds susceptible since only 36% had germinated in 9 weeks.
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