[1]王冲,宋阳.不同萱草和鸢尾品种的抗寒性比较[J].黑龙江农业科学,2018,(06):26-31.[doi:10.11942/j.issn1002-2767.2018.06.0026]
　WANG Chong,SONG Yang.Comparision of Cold Resistance of Different Varieties of Iris and Hemerocallis[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(06):26-31.[doi:10.11942/j.issn1002-2767.2018.06.0026]
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不同萱草和鸢尾品种的抗寒性比较

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2018年06期 页码: 26-31 栏目: 出版日期: 2018-06-10
Title:
Comparision of Cold Resistance of Different Varieties of Iris and Hemerocallis
作者:
王冲; 宋阳
辽宁林业职业技术学院 园林学院，辽宁 沈阳 110101
Author(s):
WANG Chong; SONG Yang
College of Landscape,Liaoning Forestry Vocation-Technical College,Shenyang 110086,China
关键词:
低温; 宿根花卉; 抗寒性;  生理指标
Keywords:
low temperature; perennial;  cold resistance;  physiological indicers
DOI:
10.11942/j.issn1002-2767.2018.06.0026
文献标志码:
A
摘要:
为比较北方常用园艺宿根花卉鸢尾和萱草的抗寒性，为园林绿化应用奠定基础，以5种鸢尾和和3种萱草品种的实生苗为试验材料，研究了人工模拟低温处理后，叶片的相对电导率、可溶性糖含量、游离脯氨酸、可溶性蛋白的生理生化指标的变化规律。结果表明：通过多重比较分析得出，3个萱草品种的各项生理指标测定结果与5个鸢尾品种均存在显著差异，说明萱草和鸢尾的抗寒性存在显著差异（P＜0.01）。金娃娃萱草和海尔范萱草的电导率平均值最小，分别为44.42和46.95，均显著低于5个鸢尾品种；而3个萱草的可溶性蛋白、游离脯氨酸和可溶性糖的平均值均较高于5个鸢尾品种。综合说明，各项生理指标的测定结果比较一致，均可作为抗寒生理指标鉴定的依据。通过隶属函数对抗寒性进行综合分析，得出萱草的抗寒性高于鸢尾，几种鸢尾和萱草的抗寒性强弱顺序为：金娃娃萱草>北黄花菜>海尔范萱草>溪荪鸢尾>单花鸢尾>蓝蝴蝶鸢尾>粗根鸢尾>野鸢尾。
Abstract:
In order to compare the cold-resistance of Iris and Hemerocallis,the gardening and perennial flowers used in northern China,the seedlings of five Iris and three Hemerocallis varieties were used as materials,the change regulation of the physiological and biochemical indicators,including relative conductivity,soluble sugar content,dissociative proline content and soluble protein content were measured under low temperature stress for application of garden greening.The results showed that the differences at different varieties between five Iris and three Hemerocallis were achieved conspicuous level (P＜0.01). The relative conductivity of Hemerocallis‘Stella Deoro’and ‘Frans Hals’ were the lowest of 44.42 and 46.95 respectively than five Iris varieties evidently,the soluble sugar content,dissociative proline content and soluble protein content of three Hemerocallis varieties were higher than five Iris varieties evidently.Comprehensive analysis showed that the four physiological indicators could be considered as initial indicators of cold resistance.By using fuzzy mathematics method,the cold tolerance of eight perennial flowers species from strong to weak was showed as Hemerocallis.Stella Deoro,Hemerocallis lilioasphodelus,Hemerocallis.Frans Hals,Iris sanguinea,Iris.uniflora,Iris tectorum,Iris tigridia,and Iris dichotoma.

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备注/Memo

收稿日期：2018-01-20基金项目：辽宁省教育厅一般资助项目(L2014553)。第一作者简介：王冲（1985-），女，博士，讲师，从事观赏植物遗传育种研究。E-mail：263038000@qq.com。

更新日期/Last Update: 2018-09-11