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ABSTRACT
Seeds of Celtis australis L. were collected from 13 sites (from 10 candidate plus trees at each site) covering an altitudinal range from 550–1980m asl. Germination was tested at 7 temperature regimes. The optimum regime (25°C) was the same for all provenances, but the germination %, mean germination time and germination index of provenances varied significantly.
Germination % fell from over 40% for freshly collected seeds, to 28% after one year's storage at ambient room temperature—irrespective of provenance. Cold storage failed to improve on this figure.
Among provenances that from Garud exhibited the maximum germination −38%, whilst that from Jakholi exhibited the minimum -18%, after 1 year of storage compared to 57% and 33%, respectively, in fresh collected seeds.
Both seed source and the temperature affect the germination of C. australis. The seeds should be stored at ambient temperature.
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