A FROST HARDINESS STUDY OF SIX CONIFEROUS SPECIES

Abstract
In the summer of 1963, the frost hardiness of six native coniferous species was tested. It was found that temperature and degree of frost damage were linearly related. The frost hardiness increased from the first week (Aug. 11) to the fifth week (Sept. 8) of testing. The most sensitive species were those which were growing most actively.

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