[1]娄晓鸣,吕文涛,吴玉娟,等.朱顶红及孤挺花属植物抗寒性初步研究[J].北方园艺,2015,39(03):81-83.[doi:10.11937/bfyy.201503025]
　LOU Xiao-ming,LYU Wen-tao,WU Yu-juan,et al.Preliminary Study on Cold Hardiness of Hippeastrum and Amaryllis[J].Northern Horticulture,2015,39(03):81-83.[doi:10.11937/bfyy.201503025]
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朱顶红及孤挺花属植物抗寒性初步研究

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第39卷 期数: 2015年03 页码: 81-83 栏目: 出版日期: 2015-02-15
Title:
Preliminary Study on Cold Hardiness of Hippeastrum and Amaryllis
作者:
娄晓鸣1; 2; 吕文涛1; 2; 吴玉娟3; 周玉珍1; 2; 张文婧1; 2
(1.苏州农业职业技术学院，江苏 苏州 215008；2.江苏省农业种质资源保护与利用平台；江苏 苏州 215008；3.苏州苏农园艺景观有限公司，江苏 苏州 215008)
Author(s):
LOU Xiao-ming1; 2; LYU Wen-tao1; 2; WU Yu-juan3; ZHOU Yu-zhen1; 2; ZHANG Wen-jing1; 2
(1.Suzhou Polytechnic Institute of Agriculture，Suzhou，Jiangsu 215008；2.The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm，Suzhou，Jiangsu 215008；3.Suzhou Sunong Gardening Landscaping Co.Ltd.,Suzhou,Jiangsu 215008)
关键词:
朱顶红; 孤挺花; 抗寒性; 半致死低温
Keywords:
Hippeastrum hybridum; A.belladonna; cold tolerance; semilethal temperature(LT50)
DOI:
10.11937/bfyy.201503025
文献标志码:
A
摘要:
以朱顶红品种‘孔雀花’、‘凤蝶’和孤挺花为试材，研究其在不同低温处理条件下的外部形态变化以及相对电导率变化规律，并配合Logistic方程计算出各自的半致死低温，比较这些品种相对抗寒性的强弱。结果表明：朱顶红和孤挺花的叶片相对电导率均随温度降低呈S型上升，而且形态上观察受冻情况与电解质外渗率的变化趋势基本相符。‘孔雀花’的半致死低温为-1.99492℃，抗寒性明显偏低；而‘凤蝶’和孤挺花的抗寒性明显强于‘孔雀花’，孤挺花的半致死低温为-6.17733℃，‘凤蝶’的半致死低温为-7.69215℃，二者半致死温度相接近，属于耐寒力较强的品种。
Abstract:
Taking Hippeastrum hybridum ‘blossom peacock’，Hippeastrum ‘papilio’and A.belladonna L.as materials,external morphological changes and relative electrical conductivity changes in the different temperature treatments were studied，the semilethal temperatures （LT50） were calculated by using Logistic and the strength of relative cold resistance were compared.The results showed that the relative conductivity of Hippeastrum hybridum and A.belladonna increased with the decreasing temperature showed ‘S’ type rise，and morphology of cold were observed basic conform to electrolyte leakage rate change trend.LT50 of Hippeastrum hybridum ‘blossom peacock’was -1.99492℃，cold resistance was lower；Hippeastrum ‘papilio’and A.belladonna L.were stronger than the Hippeastrum hybridum ‘blossom peacock’，LT50 of A.Belladonna was -6.17733℃,LT50 of Hippeastrum ‘papilio’was -7.69215℃，the two semilethal temperature were close，belonged to cold resistance strong breed.

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备注/Memo

第一作者简介：娄晓鸣(1974-)，女，博士，副教授，现主要从事园艺作物遗传育种等研究工作。E-mail：louxiaoming@aliyun.com. 基金项目：2011国家星火计划资助项目（2011GA690373）；江苏省2014年度‘青蓝工程’资助项目；苏州市科技基础资助项目（SYN201222）；江苏省农业三新工程资助项目（SXGC[2013］364）；江苏省高校科研成果产业化资助项目（JHB2012-76）。

更新日期/Last Update: 2015-03-02