2017—2021年辽宁省兴城市3个梨杂交组合F1代枝干轮纹病抗性数据集

doi:10.19788/j.issn.2096-6369.220304

Abstract

Abstract:

The pear stem ring rot caused by Botryosphaeria dothidea can cause coarsebark, tree vigour decline, and seriously affect the yield. Breeding and application of resistant varieties are the most economical and effective measures to control this disease and also one of the objectives of pear breeding. However, there are still few researches on the genetic regularity, molecular markers and genes of resistance to pear stem ring rot. In this study, the disease severity and resistance level data of 697 F1 individuals belong to three crossings, including ‘pingguoli × Bayuehong’, ‘Pingguoli × Hongxiangsu’ and ‘Bayuehong × Hongxiangsu’, were collected from 2017 to 2021. The results showed that the number of high-resistance plants was the largest in F1 generation of the three crossings, and the isolation ratios of resistance and susceptibility were 12.2∶1, 7.72∶1 and 5.31∶1, respectively. The data will lay the foundation for analyzing the genetic rules of pear ring rot resistance, screening resistant molecular markers, and mining resistance genes in the future, and provide data support for pear hybrid combination selection and breeding of ring rot resistant varieties.

Key words: pear tree, F1 generations, ring rot, disease resistance, heredity

CLC Number:

S661.2

Shuling Jiang, Yanjie Zhang, Fei Wang, Chunqing Ou, Li Ma. Dataset of the Resistance to Pear Stem ring Rot of the F1 Generations of the Three Pear Crossings in Xingcheng, Liaoning Province, from 2017 to 2021[J].Journal of Agricultural Big Data, 2022, 4(3): 30-34.

Figures/Tables 3

Tab.1

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References 15

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数据库（集）名称	2017—2021年辽宁省兴城市3个梨杂交组合F1代枝干轮纹病抗性数据集
数据作者及分工	姜淑苓,方案设计、组织实施、田间调查、论文撰写及质量控制;张艳杰,田间调查、数据处理、质量控制;王斐,田间调查及质量控制;欧春青,田间调查、数据收集及质量控制;马力,田间调查及质量控制
通讯作者及邮箱	姜淑苓， E-mail: jiangshuling@caas.cn
数据时间范围	2017—2021年
数据量	38kb
数据格式	*.xlsx
数据服务系统网址	http://www.agridata.cn/data.html
基金项目	国家重点研发计划（2019YFD1001404，2021YFE0190700）；中国农业科学院科技创新工程项目（CAAS-ASTIP）
数据库（集）组成	数据集由1个excel文件组成，为2017—2021年‘苹果梨×八月红’‘苹果梨×红香酥’和‘八月红×红香酥’等3个梨杂交组合697个F1代单株梨树枝干轮纹病的田间抗性，包括每年每个单株的病害等级和抗性水平，总计4 182条数据

参数	范围	时间
病害级别	0,1,2,3,4	2017—2021
抗性水平	高抗，抗病，感病，中感，高感	2017—2021

	高抗	抗病	感病	中感	高感	抗感分离比
苹果梨×八月红	226	129	26	13	7	7.72∶1
苹果梨×红香酥	104	18	6	3	1	12.2∶1
八月红×红香酥	100	38	13	7	6	5.31∶1

Dataset of the Resistance to Pear Stem ring Rot of the F1 Generations of the Three Pear Crossings in Xingcheng, Liaoning Province, from 2017 to 2021

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