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园艺学报 ›› 2001, Vol. 28 ›› Issue (6): 527-531.

• 研究论文 • 上一篇    下一篇

茄子耐冷性生理生化指标的研究

姚明华*;徐跃进**;李晓丽;袁 黎   

  1. (华中农业大学园艺系, 武汉430070)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2001-12-25 发布日期:2001-12-25

Studies on Biochemical and Physiological Indices of Chilling Tolerance in Eggplant

Yao Minghua , Xu Yuejin , Li Xiaoli , and Yuan Li   

  1. ( Department of Horticulture of Hua Zhong Agricultural University , Wuhan 430070)
  • Received:1900-01-01 Revised:1900-01-01 Online:2001-12-25 Published:2001-12-25

摘要: 研究了8 个耐冷性不同的茄子材料对低温的反应。结果表明, 茄子的耐冷性与电导率在5 ℃下呈显著负相关, 与可溶性糖含量及脯氨酸含量均呈显著正相关, 且材料间差异较明显; 18 ℃下种子活力指数与茄子的耐冷性呈极显著正相关。以上测定项目均可作为茄子耐冷性生理生化指标。

关键词: 茄子, 耐冷性, 指标

Abstract: Eight eggplant varieties were studied for their chilling tolerance identification by using chilling index under low temperature stress , seed vigor index , electric conductivity percentage , soluble sugar content and Pro content target test . The results showed that electric conductivity percentage at
5 ℃had significant negative correlation with the cold-tolerance of the varieties , vigor index of seed at 18 ℃had high significant positive correlation with the cold-tolerance of the varieties , soluble sugar and Pro content at 5 ℃had significant positive correlation with the cold-tolerance of the varieties , and the differences were obvious among the varieties. These determined items may be used as the indices of chilling tolerance of eggplants.

Key words: Eggplant, Chilling tolerance, Index

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