[1]牛玉,刘子记,刘昭华,等.苦瓜种质资源耐冷性鉴定[J].北方园艺,2017,41(24):1-6.[doi:10.11937/bfyy.20172273]
　NIU Yu,LIU Ziji,LIU Zhaohua,et al.Chilling Tolerance Evaluation of Bitter Gourd Germplasm[J].Northern Horticulture,2017,41(24):1-6.[doi:10.11937/bfyy.20172273]
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苦瓜种质资源耐冷性鉴定

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第41卷 期数: 2017年24 页码: 1-6 栏目: 出版日期: 2017-12-25
Title:
Chilling Tolerance Evaluation of Bitter Gourd Germplasm
作者:
牛玉1; 刘子记1; 刘昭华1; 李汉丰1; 符家杰2; 杨衍1
1.中国热带农业科学院 热带作物品种资源研究所,海南 儋州 571737；2.农业部华南作物基因资源与种质创新重点开放实验室，海南 儋州 571737
Author(s):
NIU Yu1; LIU Ziji1; LIU Zhaohua1; LI Hanfeng1; FU Jiajie2; YANG Yan1
1.Tropical Crops Genetic Resources Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou,Hainan 571737;2.Key Laboratory of Crop Gene Resources and Germplasms Enhancement in Southern China,Ministry of Agriculture,Danzhou,Hainan 571737
关键词:
苦瓜; 种质; 低温胁迫; 发育期; 苗期; 耐冷性鉴定
Keywords:
Keywords:bitter gourd; germplasm; low temperature stress; germination period; seedling period; chilling tolerance identification
DOI:
10.11937/bfyy.20172273
文献标志码:
A
摘要:
以148份苦瓜种质为试材，进行发芽期和苗期的耐冷性鉴定和评价，比较不同类型苦瓜种质的耐冷性和变异程度。结果表明：发芽期、苗期耐冷性达到3级的种质数分别为32份和48份，占供试样品的21.62%和32.43%；不同类型的苦瓜种质耐冷性差异不同，在发芽期各类型苦瓜种质的耐冷性差异较大，其中以果皮绿色种质、刺瘤种质和近圆型种质耐冷性较强；在苗期各类型苦瓜种质耐冷性差异较小，其中以果皮深绿色种质、刺瘤种质和近圆型种质耐冷性较强；苦瓜芽期和苗期耐冷性具有一定的相关性但并不一致；研究结果为苦瓜耐冷新品种的选育提供新的种质，并为开展苦瓜耐冷机制研究积累材料。
Abstract:
The chilling tolerance of 148 bitter gourd germplasm was evaluated and the chilling tolerance and coefficients of variation of different types were compared.The results showed that 32 and 48 gemplasm possess higher tolerance to chilling tolerance with grade 3 at germinating and seedling stage,accounting for 21.62% and 32.43%,respectively.The chilling tolerance was different among different type of bitter gourd germplasm.The green,stinging wart and nearly spherical germplasm had higher chilling tolerance at germinating stage.The dark green,stinging wart and nearly spherical germplasm had higher cold tolerance at seedling stage.The chilling tolerance of bitter gourd germplasm at germinating and seedling stage had certain correlation,but not consistent.The results could provide materials for chilling tolerance breeding and chilling tolerance mechanism research.

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备注/Memo

第一作者简介：牛玉（1983-），男，硕士，助理研究员，研究方向为蔬菜学。E-mail：niuyulong108@163.com.

责任作者：杨衍（1971-），男，博士，研究员，研究方向为蔬菜遗传育种。E-mail：yziqi@126.com.
基金项目：中央级公益性科研院所基本科研业务费专项资金资助项目（1630032015015，1630032016019，1630032017027，1630032016029）。
收稿日期：2017-08-18

更新日期/Last Update: 2017-12-28