[1]赵碧英,刘妮,田瑞,等.梨品种资源果实萼片及萼洼性状评价[J].南京农业大学学报,2014,37(4):53-59.[doi:10.7685/j.issn.1000-2030.2014.04.008]
 ZHAO Biying,LIU Ni,TIAN Rui,et al.Evaluation on calyx characters of Pyrus pyrifolia fruit[J].Journal of Nanjing Agricultural University,2014,37(4):53-59.[doi:10.7685/j.issn.1000-2030.2014.04.008]
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梨品种资源果实萼片及萼洼性状评价()
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《南京农业大学学报》[ISSN:1000-2030/CN:32-1148/S]

卷:
37卷
期数:
2014年4期
页码:
53-59
栏目:
出版日期:
2014-06-25

文章信息/Info

Title:
Evaluation on calyx characters of Pyrus pyrifolia fruit
作者:
赵碧英1 刘妮1 田瑞2 李六林1 胡红菊2 伍涛12 李雷廷1 张绍铃1
1. 南京农业大学梨工程技术研究中心, 江苏 南京 210095;
2. 湖北省农业科学院果树茶叶研究所, 湖北 武汉 430209
Author(s):
ZHAO Biying1 LIU Ni1 TIAN Rui2 LI Liulin1 HU Hongju2 WU Tao12 LI Leiting1 ZHANG Shaoling1
1. Pear Engineering Research Centre, Nanjing Agricultural University, Nanjing 210095, China;
2. Institute of Fruit and Tea, Hubei Academy of Agricultural Sciences, Wuhan 430209, China
关键词:
脱萼率品种资源萼片
Keywords:
Pyrus pyrifoliacalyx abscission ratevariety resourcescalyx
分类号:
S661.2
DOI:
10.7685/j.issn.1000-2030.2014.04.008
摘要:
为了掌握不同梨品种资源果实萼片性状特征,以316份梨品种资源为试材,在果实萼片脱落期结束后,调查其萼片状态、萼片姿态、萼洼广度、萼洼深度及萼洼状态5项性状指标,并进行统计分析。结果表明:以10%为单位将脱萼率分为10组,调查的316份梨品种资源在各组的频度分布呈“U”字形,第1组(脱萼率<10%)和第10组(脱萼率≥90%)的频度均明显高于其余8组,其余各组频度低且相对一致。以5%和20%为单位将脱萼率不等分为7组,脱萼率差值标准差的分布趋势与脱萼率相反,呈倒“U”字形,表明脱萼率极低(脱萼率<5%)和极高(脱萼率≥95%)的品种的脱萼率最稳定。供调查品种资源的果实萼片姿态和3项萼洼性状主要表现为2种表现型,比例均占30%以上,其Simpson遗传多样性指数为0.585~0.722,表现相对一致。结论:通过有针对地选用种质,可以进行脱萼与宿萼机制的研究以及种质的创新。
Abstract:
Pear fruit with calyx persistent,commonly known as‘Gongli’,didn’t look so good that it wasn’t popular with people.Before the factors affecting calyx abscission and persistence were studied,the calyx characters of different pear germplasm had to be mastered.In order to know about the calyx characters of different Pyrus pyrifolia cultivars,the investigation was performed in Pyrus pyrifolia Germplasm Nursery of Fruit-Tea Institute,Hubei Academy of Agricultural Sciences.The calyx state,calyx posture,calyx concave width,calyx concave depth and calyx concave state of 316 cultivars were investigated.After sepals off stage,100 fruits’ calyx characters of each cultivar were observed and assigned.SPSS 16.0 was used to analyze statistically.The results showed that 316 cultivars were divided into 10 groups by calyx abscission rate,with 10% as a unit.The distribution diagram of frequency showed with a shape of‘U’.Both of the number in the first(calyx abscission rate<10%)and the tenth group(calyx abscission rate≥90%)were obviously higher than other 8 groups,numbers of which were small and relatively similar.In contrast,when they were divided into 7 groups by calyx abscission rate,with 5% and 20% as units,the performance frequency standard deviation showed inversion‘U’,suggesting that the calyx abscission rate of varieties with very low rate(calyx abscission rate<5%)or very high rate(calyx abscission rate≥95%)was most stable.Calyx posture,calyx concave width,calyx concave depth and calyx concave state of cultivars had two main phenotypes,the proportions of which were more than 30%,and their Simpson diversity index was between 0.585 and 0.722,meaning that their performance were relatively similar.Conclusion:this study could be guidance of cultivars selection,for studies on mechanism of calyx abscission and persistence,and breeding new germplasm.

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备注/Memo

备注/Memo:
收稿日期:2013-9-24。
基金项目:国家梨产业技术体系建设专项资金(CARS-29)
作者简介:赵碧英,硕士研究生。
通讯作者:张绍铃,教授,主要从事果树栽培生理与发育生物学研究,E-mail:nnzsl@njau.edu.cn。
更新日期/Last Update: 1900-01-01