Abstract
A method of hastening the germination of basswood seeds is described which involves four treatment phases: pre-soaking of the fruit, sulphuric acid digestion of the pericarp, sulphuric acid scarification of the testa, and stratification of the seed.The main advantages of this procedure over the Spaeth method (which involves nitric acid digestion of the pericarp) are that no poisonous fumes are generated, and that the period of excessive heat generation during digestion is greatly reduced, thereby increasing the potential processing output and decreasing the damage to seed viability.The equipment and supply requirements of the method are small, and the capacity with three experienced men is one and one-half to two bushels of fruits per day.
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