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WANG Jun, LI Ye, ZHANG Xiao-mian, GAO Zhi-hui, GUO Liang, YUE Chun-lei, LI He-peng. Determination andEvaluation on Cold Resistance of 5 EucalyptusGermplasm[J]. Journal of Zhejiang Forestry Science and Technology, 2018, 38(5): 45-50. DOI: 10.3969/j.issn.1001-3776.2018.05.008
Citation: WANG Jun, LI Ye, ZHANG Xiao-mian, GAO Zhi-hui, GUO Liang, YUE Chun-lei, LI He-peng. Determination andEvaluation on Cold Resistance of 5 EucalyptusGermplasm[J]. Journal of Zhejiang Forestry Science and Technology, 2018, 38(5): 45-50. DOI: 10.3969/j.issn.1001-3776.2018.05.008
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Determination andEvaluation on Cold Resistance of 5 EucalyptusGermplasm

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  • Seeds of Eucalyptus dunnii20784, E.dunnii99/01, E.badjensis02/08, E.dunnii98/27, E.saligna 01/19 were imported from Australia in July of 2000，sowing and seedling was carried out in Hangzhou of Zhejiang in January of 2013.40 leaves were collectedfrom each germplasm and treated by -7℃ and 4℃in July of 2014 for determination of SOD, POD, MDA, SP and LT50.Correlation analysis on determined index demonstrated that SOD, PODand SP had positive relation with cold resistance, especially SOD had significant relation.Principle component analysis indicated that SOD and POD occupied 85.52% of variable.Cold resistance of tested germplasm was ordered by comprehensive index.Cluster analysis concluded that cold resistance of 5 germplasm could be divided into 2 groups.
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