进行了相对电导率、游离脯氨酸含量、过氧化物酶的活性等抗寒性生理指标的测定。
Physiological indices of cold resistance for mutants were determined including relative conductivity, dissociated proline content and peroxidase (POD) activity.
北方地区蜡梅常在花期遭受寒害，而有关其具体抗寒程度及相关生理生化指标的研究至今尚未报道。
In northern region wintersweets often suffer from cold temperature, and the study of cold-resistant capability and physiological indicators had not been reported yet.
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