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浙江大学学报(农业与生命科学版)  2023, Vol. 49 Issue (4): 507-515    DOI: 10.3785/j.issn.1008-9209.2023.03.291
研究论文     
甘蓝型油菜隐性细胞核雄性不育系LY31AB的选育及利用
许明超1(),黄倩2,张康妮2,邹旭东1,陈兴凡1,陆鸿1,王艳惠1(),张志1()
1.乐山市农业科学研究院,四川 乐山 614000
2.浙江大学农业与生物技术学院作物科学研究所,浙江 杭州 310058
Breeding and utilization of recessive genic male sterile line LY31AB in Brassica napus L.
Mingchao XU1(),Qian HUANG2,Kangni ZHANG2,Xudong ZOU1,Xingfan CHEN1,Hong LU1,Yanhui WANG1(),Zhi ZHANG1()
1.Leshan Academy of Agricultural Sciences, Leshan 614000, Sichuan, China
2.Institute of Crop Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, Zhejiang, China
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摘要:

为充分利用细胞核雄性不育的优势,以甘蓝型油菜‘Q1012’商品油菜籽为来源,用系谱选育法选育出双低优质甘蓝型油菜隐性细胞核雄性不育系LY31AB,分析其育性、抗性、配合力等特点,并进行杂种优势利用。结果表明:LY31AB不育性遗传稳定,受2对隐性重叠基因控制,且在田间表现出良好的菌核病抗性和抗倒性;LY31AB配合力高、恢复源广、杂种优势强,其所配组合大多表现出明显的杂种优势;利用LY31AB育成并登记的乐油8号、得乐油1632、万家油520、乐油7号4个双低优质油菜新品种也均表现出菌核病抗性和良好的抗倒性,已被大面积推广应用。综上所述,LY31AB是一个选育系谱清楚、遗传性状稳定、品质优、丰产性好、抗性好、配合力高、恢复源广且具有良好杂种优势利用价值的不育系,有着广阔的应用前景。

关键词: 细胞核雄性不育系选育育性抗性配合力杂种优势利用    
Abstract:

In order to make full use of the advantages of genic male sterility (GMS), the commercial rapeseed ‘Q1012’ of Brassica napus L. was used as the source to select the double-low and high-quality recessive GMS line LY31AB of B. napus by the pedigree breeding method. LY31AB fertility, resistance, combining ability and other characteristics were analyzed and its heterosis was utilized. The results indicated that the sterility of LY31AB was genetically stable, which was controlled by two pairs of recessive overlapping genes, and showed good resistance to sclerotiniadisease and lodging resistance in the field. LY31AB had high combining ability, wide recovery sources and strong heterosis, and most of its combinations showed obvious heterosis. Four new double-low and high-quality rape varieties, Leyou 8, Deleyou 1632, Wanjiayou 520 and Leyou 7, which were bred using LY31AB and registered, also showed good resistance tosclerotiniadisease and lodging resistance, and were widely in promotion and application. To sum up, LY31AB is a sterile line with clear pedigree, stable genetic characters, good quality, good fertility, good resistance, high combining ability, wide recovery sources and good heterosis utilization value, and has broad application prospects.

Key words: genic male sterile line    breeding    fertility    resistance    combining ability    heterosis utilization
收稿日期: 2023-03-29 出版日期: 2023-08-25
CLC:  S565.4  
基金资助: 四川省重点研发项目“突破性油料育种材料和方法创新及新品种选育”(2021YFYZ0018);国家现代农业产业技术体系四川省油菜创新团队建设项目;四川省科学技术厅农业科技成果转化项目“宜机收优质高产油菜新品种‘乐油8号’及其配套高产高效栽培技术的推广示范”(2022NZZJ0018)
通讯作者: 王艳惠,张志     E-mail: 1048515670@qq.com;103434183@qq.com;85943012@qq.com
作者简介: 许明超(https://orcid.org/0009-0003-4424-8649),E-mail:1048515670@qq.com
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引用本文:

许明超,黄倩,张康妮,邹旭东,陈兴凡,陆鸿,王艳惠,张志. 甘蓝型油菜隐性细胞核雄性不育系LY31AB的选育及利用[J]. 浙江大学学报(农业与生命科学版), 2023, 49(4): 507-515.

Mingchao XU,Qian HUANG,Kangni ZHANG,Xudong ZOU,Xingfan CHEN,Hong LU,Yanhui WANG,Zhi ZHANG. Breeding and utilization of recessive genic male sterile line LY31AB in Brassica napus L.. Journal of Zhejiang University (Agriculture and Life Sciences), 2023, 49(4): 507-515.

链接本文:

https://www.zjujournals.com/agr/CN/10.3785/j.issn.1008-9209.2023.03.291        https://www.zjujournals.com/agr/CN/Y2023/V49/I4/507

父本

Male parent

母本 Female parent
LY31AB40-1AB308ABN3A
LY07LY31AB×LY0740-1AB×LY07308AB×LY07N3A×LY07
L0118LY31AB×L011840-1AB×L0118308AB×L0118N3A×L0118
L0121LY31AB×L012140-1AB×L0121308AB×L0121N3A×L0121
W306-3LY31AB×W306-340-1AB×W306-3308AB×W306-3N3A×W306-3
08C-4LY31AB×08C-440-1AB×08C-4308AB×08C-4N3A×08C-4
表1  基于不完成双列杂交(NCⅡ)的20种配合力组合设计
图1  LY31AB花器官形态A.不育株花蕾;B.可育株花蕾;C.不育株花;D.可育株花。
图2  在6 000株/667 m2 栽培密度下LY31AB成熟植株形态A.不育株;B.可育株。

不育系

Sterile line

株高

Plant

height/cm

一次有效分枝数

Number of effective

Branches at one time

单株有效角果数

Number of effective

pods per plant

每角粒数

Number of

seeds per pod

千粒质量

Thousand-seed

mass/g

单株产量Yield per

plant/g

LY31AB19811.056017.04.0534
L7AB19010.052214.93.8631
156AB1869.048617.83.6030
S45AB1808.450015.24.4030
表2  LY31AB主要农艺性状表现

调查时间

Investigation

time

调查株数

Number of

investigation

plants

不育株数

Number of

sterile plants

可育株数

Number of

fertile plants

不育株率

Percentage of

sterile plants/%

不育株数∶可育株数

Number of sterile

plants∶Number

of fertile plants

χ2

χ2 value

(1∶1)

p

p-value

不育株套袋

自交结实株数

Number of selfing

fruits of bagged

sterile plants

2013年3月

March 2013

119576247.900.92∶10.2100.6470

2014年3月

March 2014

124646051.611.07∶10.1290.7190

2015年3月

March 2015

117605751.281.05∶10.0770.7830
表3  2013—2015年LY31AB花期育性表现

组合

Cross

F1F2

总株数

Total

number

of plants

可育株数

Number

of fertile

plants

不育株数

Number

of sterile

plants

总株数

Total

number

of plants

可育株数

Number

of fertile

plants

不育株数

Number

of sterile

plants

可育株数∶

不育株数

Number of fertile

plants∶Number of

sterile plants

χ2检验 χ2 test

期望比例

Expected

proportion

χ2

χ2 value

p

p-value

LY31AB×L100842420253199543.68∶13∶11.8040.179
LY31AB×LY0746460226178483.71∶13∶11.7050.192
LY31AB×101B38380217167503.34∶13∶10.4440.202
LY31AB×L0123515103533282513.12∶115∶10.4170.518
表4  LY31AB与4个自交系杂交后代育性情况

年份

Year

调查株数

Number of investigation plants

田间菌核病发生情况

Plants infected by Sclerotinia sclerotiorum in the field

抗倒性

Lodging resistance

感病株数

Number of infected plants

发病率

Infection rate/%

发病指数

Disease index

201319831.520.51直立 Up-right
201421662.780.93直立 Up-right
201520752.420.60直立 Up-right
表5  LY31AB田间抗性表现

品种

Variety

主要农艺性状

Main agronomic trait

第一年度产量表现

First-year yield performance

第二年度产量表现

Second-year yield performance

抗倒性

Lodging resistance

株高

Plant

height/cm

有效分枝数

Number of effective

branches

单株有效角果数

Number of effectivepods per plant

每角粒数

Number of

seeds per pod

千粒质量

Thousand-seed

mass/g

平均产量

Average yield/

(kg/667 m2)

较对照增产幅度

Increase in yield

compared with

the control/%

平均产量

Average yield/

(kg/667 m2)

较对照增产幅度

Increase in yield

compared with

the control/%

乐油8号

Leyou 8

206.007.8418.914.904.39150.663.95170.838.36中等 Medium

得乐油1632

Deleyou 1632

222.008.9503.417.103.52188.6210.44210.9012.70强 Strong

万家油520

Wanjiayou 520

188.625.5300.117.894.31180.6210.33168.308.17强 Strong

乐油7号

Leyou 7

216.108.3380.819.903.89187.425.80195.805.50强 Strong
表6  LY31AB育成品种在四川省级油菜新品种联合试验中的表现

品种

Variety

品质检测

Quality testing

第一年度抗性鉴定

First-year resistance identification

第二年度抗性鉴定

Second-year resistance identification

w(芥酸)

Erucic acid

content/%

mB(硫苷)

Glucosinolate

content/(μmol/g)

含油量

Oil

content/%

菌核病

Sclerotinia disease

病毒病

Viral disease

菌核病

Sclerotinia disease

病毒病

Viral disease

乐油8号

Leyou 8

0.003 319.9944.46

低抗

Low resistance

Susceptibility

低抗

Low resistance

Susceptibility

得乐油1632

Deleyou 1632

0.003 321.1748.53

低抗

Low resistance

Susceptibility

低抗

Low resistance

Susceptibility

万家油520

Wanjiayou 520

0.062 822.7549.06

低抗

Low resistance

Resistance

中抗

Medium resistance

Resistance

乐油7号

Leyou 7

0.003 319.5646.83

低抗

Low resistance

中感

Moderate susceptibility

低抗

Low resistance

Resistance

表7  LY31AB育成品种品质检测和抗性鉴定结果
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