[1]陈曦,刘志洋.低温胁迫下六种萱草的抗寒性比较[J].黑龙江农业科学,2020,(05):7-11.[doi:10.11942/j.issn1002-2767.2020.05.0007]
　CHEN Xi,LIU Zhi-yang.Comparison on Cold Resistance of Six Hemerocallis Under Low Temperature Stress[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(05):7-11.[doi:10.11942/j.issn1002-2767.2020.05.0007]
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低温胁迫下六种萱草的抗寒性比较

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2020年05期 页码: 7-11 栏目: 出版日期: 2020-05-10
Title:
Comparison on Cold Resistance of Six Hemerocallis Under Low Temperature Stress
作者:
陈曦; 刘志洋
哈尔滨市农业科学院，黑龙江 哈尔滨 150029
Author(s):
CHEN Xi; LIU Zhi-yang
Harbin Academy of Agricultural Sciences,Harbin 150029,China
关键词:
丙二醛; 脯氨酸; 电导率; 超氧化物歧化酶; 根系活力; 抗寒性
Keywords:
malondialdehyde;  proline; electrical conductivity; SOD enzyme activity; root activity;  cold resistance
DOI:
10.11942/j.issn1002-2767.2020.05.0007
文献标志码:
A
摘要:
为促进萱草在黑龙江省的引种驯化，选取6种萱草（红宝石、红运、橘黄色、肉粉色、大金杯和金娃娃）为试验材料，分别处于-25、-30和-35 ℃的环境下低温处理0、3、12、24、36和48 h，比较各品种丙二醛、脯氨酸、电导率、超氧化物歧化酶和根系活力的变化。结果表明：供试的6个品种中，红宝石、红运的抗寒性较强，大金杯、橘黄色和肉粉色居中，金娃娃相对较弱，供试的6种萱草在-35 ℃地区可以安全越冬。
Abstract:
In order to promote the introduction and domestication of Hemerocallis in Heilongjiang Province,six Hemerocallis (Ruby,Hongyun,Orange,Meat Pink,Daijinbei and Jinwawa) were selected as experimental materials and were treated at -25 ℃,-30 ℃ and -35 ℃ for 0 h,3 h,12 h,24 h,36 h and 48 h respectively.The changes of malondialdehyde,proline,electrical conductivity,superoxide dismutase and root activity were compared.The results showed that among the six varieties,Ruby and Hongyun had strong cold resistance,Dajinbei,Orange and Meat Pink were in the middle,while Jinwawa was relatively weak.The six Hemerocallis could survive safely in the area of -35 ℃.

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备注/Memo

收稿日期：2019-11-10

基金项目：哈尔滨市科技创新人才项目（2013RFQYJ019)。
第一作者：陈曦（1982-），女，硕士，高级农艺师，从事矮牵牛育种及宿根花卉引种驯化研究。E-mail:zining0451chenxi@163.com。〖JP〗
通信作者：刘志洋（1979-），女，硕士，高级农艺师，从事花卉育种研究。E-mail: liuzhiyanger@yahoo.com.cn。

更新日期/Last Update: 2020-08-20