[1]闫芬芬,王玖瑞,吴翠云,等.枣雄性不育种质‘JMS2’杂交子代开花结实性状的遗传分析[J].北方园艺,2020,44(20):9-15.[doi:10.11937/bfyy.20200254]
　YAN Fenfen,WANG Jiurui,WU Cuiyun,et al.Genetic Analysis of Flowering and Fruit Traits in Hybrid Progeny of Male Sterile Germplasm ‘JMS2’ in Chinese Jujube[J].Northern Horticulture,2020,44(20):9-15.[doi:10.11937/bfyy.20200254]
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枣雄性不育种质‘JMS2’杂交子代开花结实性状的遗传分析

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第44卷 期数: 2020年20 页码: 9-15 栏目: 出版日期: 2020-10-30
Title:
Genetic Analysis of Flowering and Fruit Traits in Hybrid Progeny of Male Sterile Germplasm ‘JMS2’ in Chinese Jujube
作者:
闫芬芬1; 王玖瑞2; 吴翠云1; 刘孟军2
（1.塔里木大学 植物科学学院，南疆特色果树高效优质栽培与深加工技术国家地方联合工程实验室，新疆 阿拉尔 843300；2.河北农业大学 中国枣研究中心，河北 保定 071001）
Author(s):
YAN Fenfen1; WANG Jiurui2; WU Cuiyun1; LIU Mengjun2
(1.College of Plant Science,Tarim University/The National and Local Joint Engineering Laboratory of High Efficiency and Superior-Quality Cultivation and Fruit Deep Processing-Technology of Featured Fruit Trees in Southern Xinjiang,Alar,Xinjiang 843300；2.Research Center of Chinese Jujube,Agricultural University of Hebei,Baoding,Hebei 071001)
关键词:
枣; 杂交后代; 雄性不育; 开花性状; 果实性状
Keywords:
Chinese jujube; hybrid progeny; male sterility; flowering traits; fruit traits
DOI:
10.11937/bfyy.20200254
文献标志码:
A
摘要:
以‘JMS2’×酸枣‘邢16’的179株实生子代和‘JMS2’ב交5’的23株实生子代为试材，采用表观性状调查方法研究了相同母本不同父本2个杂交子代群体的开花及果实性状遗传变异特点。结果表明：在 ‘JMS2’×酸枣‘邢16’和 ‘JMS2’ב交5’的2个子代群体中，二年生实生后代开花株率分别为61.45%和43.48%；开花量大小与植株高度、茎粗呈正比。枣裂蕾时间是1对等位基因控制的质量性状，日开型与夜开型在2个子代群体中均出现1∶1的分离。枣的雄性不育为纯合隐性性状，2个组合子代均表现雄性可育。果形、梗洼等形态性状均出现分离，且果实单果质量、果实横径、果实纵径和果形指数的F1均值明显低于亲中值，出现趋小变异趋势，其中单果质量变异系数最大，果形指数变异系数最小。‘JMS2’ב交5’子代的单果质量和纵横径显著大于‘JMS2’×酸枣‘邢16’子代，表明果实大小的遗传受父本影响较大。
Abstract:
The 179 progenies of ‘JMS2’ × Sour jujube ‘Xing 16’ and 23 progenies of ‘JMS2’בJiao 5’ were used as test materials,the genetic variation characteristics of flowering and fruit trait of two hybrid progenies with the same mother and different fathers were studied by using the method of apparent character investigation.The results showed that the flowering rate of biennial seedlings was 61.45% and 43.48% in the two hybrid progenies respectively,and the amount of flowering was proportional to plant height and stem diameter.The bud splitting time of Chinese jujube was a quality trait controlled by alleles,which showing that the day opening type and night opening type were separated 1∶1 in both progenies populations.The male sterility of Chinese jujube was homozygous and recessive,judging by the offspring of both hybrid progenies were male fertility.In addition,the morphological traits of fruit shape and hollow cavities were separated,and the F1 mean value of fruit weight,fruit transverse diameter,fruit longitudinal diameter and fruit type index was significantly lower than the median value,which showing a trend of small variation,of which the variable coefficient of single fruit weight was the largest,and the fruit type index was the smallest.The single fruit weight and transverse and longitudinal diameter of ‘JMS2’בJiao 5’ seedlings were significantly greater than that of ‘JMS2’×Sour jujube ‘Xing 16’,indicating that the inheritance of fruit size was greatly influenced by the male parent.

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备注/Memo

第一作者简介：闫芬芬（1982-），女，博士，副教授，现主要从事干果种质资源与分子辅助育种等研究工作。E-mail:yanfening@163.com.责任作者：刘孟军（1965-），男，博士，教授，现主要从事干果种质资源与分子辅助育种等研究工作。E-mail：lmj1234567@aliyun.com.基金项目：南疆重点产业创新发展支撑计划资助项目（2017DB006）；河北省科技计划资助项目（16226313D-1）；塔里木大学校长基金资助项目（TDZKBS201901）。收稿日期：2020-01-16

更新日期/Last Update: 2020-12-24