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应用电导法测定了3个抗寒性不同的杉木家系的电导率,采用不同低温及低温持续期的处理,获得了|b|值。抗寒性愈强,|b|值愈低,故|b|值可作为抗寒性的测定指标之一。
The conductivity of three Chinese fir families with different cold resistance was measured by conductivity method. The | b | values were obtained by the treatment of different low temperature and low temperature duration. Cold hardiness stronger, | b | lower value, so | b | value can be used as a measure of cold resistance.