[1]王建强,邓永成,陈云.低温胁迫对西洋樱草品种丹娜抗寒生理指标的影响[J].黑龙江农业科学,2018,(02):31-33.[doi:10.11942/j.issn1002-2767.2018.02.0031]
　WANG Jian-qiang,DENG Yong-cheng,CHEN Yun.Effects of Low-temperature Stress on Cold-resistant Related Physiological Index in Primula acaulis Hybrid Danova[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(02):31-33.[doi:10.11942/j.issn1002-2767.2018.02.0031]
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低温胁迫对西洋樱草品种丹娜抗寒生理指标的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2018年02期 页码: 31-33 栏目: 出版日期: 2018-02-10
Title:
Effects of Low-temperature Stress on Cold-resistant Related Physiological Index in Primula acaulis Hybrid Danova
作者:
王建强; 邓永成; 陈云
低温胁迫对西洋樱草品种丹娜抗寒生理指标的影响
Author(s):
WANG Jian-qiang; DENG Yong-cheng; CHEN Yun
Wuhan Academy of Landscape and Gardening,Wuhan 430081,China
关键词:
西洋樱草; 低温胁迫; 相对电导率; 游离脯氨酸; 丙二醛
Keywords:
Primula acaulis hybrid;  relative conductivity;  free proline;  MDA
DOI:
10.11942/j.issn1002-2767.2018.02.0031
文献标志码:
A
摘要:
为促进西洋樱草丹娜的栽培管理和景观应用，在不同低温处理下，对西洋樱草丹娜叶片的相对电导率及游离脯氨酸和丙二醛含量等抗寒生理指标进行测定，用电导法配合Logistic方程拟合的S型曲线计算获得半致死温度，配合相对电导率及游离脯氨酸和丙二醛含量的变化，分析其抗寒性的差异。结果表明：处理温度由室温降至-15 ℃的过程中，西洋樱草丹娜叶片的脯氨酸含量迅速增加。丙二醛含量在处理温度从-5 ℃降至-10 ℃时增加较快。相对电导率在处理温度从-5 ℃降至-10 ℃时迅速增加。西洋樱草丹娜叶片的半致死温度为-8.1 ℃。
Abstract:
In order to promote the cultivation management and landscape application of Primula acaulis hybrid Danova,under different low temperature treatments,the Primula acaulis hybrid Danova leaves relative conductivity and free proline and MDA content of cold resistant physiological indexes were calculated,the semi lethal temperature was determined with the method of electric conductivity and Logistic the equation fitting,the relative conductivity and free proline and MDA content changes,their differences in cold-resistant were analyzed.The results showed that the temperature from room temperature to -15 ℃,the free proline content of the leaves increased rapidly Primula acaulis hybrid Danova.The content of MDA increased rapidly when the temperature reduced from -5 ℃ to -10 ℃.The relative conductivity increased rapidly at the treatment temperature from -5 ℃ to -10 ℃.The semi lethal temperature of Primula acaulis hybrid Danova leaves was -8.1 ℃.

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备注/Memo

收稿日期：2017-12-25第一作者简介：王建强（1974-），男，河南省洛阳市人，学士，高级工程师，从事园林花卉的栽培应用与植物营养研究。E-mail:wjq19741209@126.com。

更新日期/Last Update: 2018-04-08