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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Issue 48 (1961) → Cold Treatment of Seed and Moisture Absorption

Cold Treatment of Seed and Moisture Absorption

This experiment was initiated in order to determine the rate of moisture absorption of ponderosa and Jeffrey pine seed in +1°C. temperatures, and to determine if a moisture holding material is necessary for maintaining the moisture. Samples of ponderosa and Jeffrey pine seed were selected from seed that had been stored for 2 to 4 years in our seed cooler at -3°C. (we now store the seed at -17.8°C.). The samples were weighed as they came out of storage and the weights recorded. Then the samples were put into cans and dried in an oven at 90°C. for 24 hours. The samples were then weighed again. The difference in weights was considered as a moisture loss and recorded on a percentage basis.


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Author(s): Karl B. Landquist

Publication: Tree Planters' Notes - Issue 48 (1961)