[1]张雪峰.玉米种子萌发期抗冷鉴定指标的研究[J].黑龙江农业科学,2011,(10):23-24.
　ZHANG Xue-feng.Study on Cold Resistance Physiological Indexes of Maize in the Germinating Stage[J].HEILONGJIANG AGRICULTURAL SCIENCES,2011,(10):23-24.
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玉米种子萌发期抗冷鉴定指标的研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2011年10 页码: 23-24 栏目: 出版日期: 2011-10-10
Title:
Study on Cold Resistance Physiological Indexes of Maize in the Germinating Stage
文章编号:
1002-2767（2011）10-0023-02
作者:
张雪峰
辽宁省绿色食品发展中心，辽宁 沈阳 110032
Author(s):
ZHANG Xue-feng
Liaoning Green Food Development Centre,Shenyang,Liaoning 110032
关键词:
玉米; 种子萌发; 抗冷性
Keywords:
maize; germinating seed; cold resistance
分类号:
S513
文献标志码:
A
摘要:
为明确玉米抗冷性种质鉴定指标和方法，选用郑单958、吉单415、辽单632和铁单18四个抗冷性不同的玉米种子于27℃培养12 h后分别置于5、10℃低温处理3 d，经27℃恢复生长3 d，研究其种子萌发期的抗冷性。结果表明：在低温处理前、后和恢复期的电解质渗漏率、脯氨酸和可溶性糖含量受到影响，低温处理使不同抗冷品系在适温萌发和复温期的生理指标有显著差异，可以作为单一指标大致确定玉米萌发期低温耐性强弱。
Abstract:
In order to identify the index and method of resistance to cold of maize,four maize varieties(Zhengdan 958,Jidan 415,Liaodan 632 and Tiedan 18)were used to study their cold resistance in germinating stage.The seeds were cultivated in 27℃ for 12 h then treated under 5℃ and 10 ℃ for 3 d,and then in 27℃ for 3 d.The results showed the changes of electric conductivity,soluble sugar content,proline content could reflect the different low temperature tolerance,the differences of physiological index of different varieties in suitable temperature and recover temperature stage in 5℃ were significant,it could used as single index to identify the tolerance to cold of maize in germinating stage.

参考文献/References:

[1]李建设，耿广东，程智慧 . 低温胁迫对茄子幼苗抗寒性生理生化指标的影响 [J]. 西北农林科技大学学报， 2003,31 （ 1 ）： 90 - 96.

[2]江福英，李延，翁伯琦.植物低温胁迫及其抗性生理[J].福建农业学报，2002,17（3）：190-195.

[3]曾韶西,王以柔.水稻幼苗的低温伤害与膜脂过氧化[J].植物学报,1987，29(5):506-512.

[4]Murkata N,Ishizakj Nishizawa O,Higashi S,et al.Genetically engineered alteration in the chilling sensitivity of plant[J].Nature,1992,356(23):710-713.

[5]Abdelbagi M I,Hall A E，Close T J.Allelic variation of a de hydrin gene cosegregates with chilling tolerance during seeding emergence [J].Pro Natl Acad Sci. USA,1999,96 :13566-13570.


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备注/Memo

作者简介：张雪峰（1977-），女，辽宁省沈阳市人，硕士，农艺师，从事绿色食品及有机食品认证研究。E-mail:zxf19770303@163.com。

更新日期/Last Update: 2014-11-01