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园艺学报 ›› 2001, Vol. 28 ›› Issue (2): 164-166.

• 研究报告 • 上一篇    下一篇

李抗逆性生理生化指标及其相关性的研究

朱立武;李绍稳;刘加法;王 健
  

  1. (安徽农业大学园艺系, 合肥230036)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2001-04-25 发布日期:2001-04-25

Physiological and Biochemical Characteristics of Plum Resistance to AdverseCircumstances and Their Correlation

Zhu Liwu, Li Shaowen, Liu Jiafa, and Wang Jian   

  1. (Department of Horticulture, Anhui Agricultural University, Hefei 230036)
  • Received:1900-01-01 Revised:1900-01-01 Online:2001-04-25 Published:2001-04-25

摘要: 在人工模拟逆境条件下, 测定了李6 个种17 个品种(系) 细胞膜差别透性、过氧化物酶(POD) 同工酶活性及叶片中可溶性糖含量。结果表明, 叶片可溶性糖含量与枝皮细胞膜低温伤害程度呈极显著负相关, 枝皮POD 同工酶活性与叶片细胞膜高温伤害程度之间存在显著负相关。根据Fuzzy 综合评判, 对李不同种间和中国李不同品种间的抗逆性强弱进行了综合评价。

关键词: 李, 抗逆性, 生理生化性状, 相关性, 评价

Abstract: The relative electric conductivity of leaf and one-year-old shoot bark cell under artificial adverse circumstances , soluble sugar content in leaf and POD activity in leaf and one-year-old shoot bark was tested in 17 plum varieties which belong to six species and one genera hybrid. The comparison of resistance to adverse circumstances in different species was done. The correlation of physiologic and biochemical characters tested above were analysed. The results showed that the significantly negative correlation existed between soluble sugar content and membrane freeze damage and significantly negative correlation existed between POD activity in bark and leaf cell heat damage. According to Fuzzy synthetical valuation the comprehensive resistance of plum species to adverse circumstances were discussed.

Key words: Plum (Prunus sp.), Resistance, Physiological and biochemical characteristics, Correlation, Synthetical valuation

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