QTL for yield per plant under water deficit and well-watered conditions and drought susceptibility index in soybean (Glycine max (L.) Merr.)

被引：3

作者：

Liu, Zhangxiong ^{[1
]}

Li, Huihui ^{[1
]}

Wang, Xingrong ^{[2
]}

Zhang, Yanjun ^{[2
]}

Gou, Zuowang ^{[2
]}

Zhao, Xingzhen ^{[1
]}

Ren, Honglei ^{[3
]}

Wen, Zixiang ^{[4
]}

Li, Yinghui ^{[1
]}

Yu, Lili ^{[1
]}

Gao, Huawei ^{[1
]}

Wang, Dechun ^{[4
]}

Qi, Xusheng ^{[2
,6
]}

Qiu, Lijuan ^{[1
,5
]}

机构：

[1] Chinese Acad Agr Sci, Inst Crop Sci, Ctr Crop Germplasm Resource, Natl Key Facility Gene Resources & Genet Improvem, Beijing, Peoples R China

[2] Gansu Acad Agr Sci, Inst Crop Sci, Lab Crop Germplasm Resource, Lanzhou, Gansu, Peoples R China

[3] Heilongjiang Acad Agr Sci, Maize Res Inst, Lab Dis Resistance Breeding, Haerbin, Heilongjiang, Peoples R China

[4] Michigan State Univ, Coll Agr & Nat Resources, Dept Plant Soil & Microbial Sci, E Lansing, MI USA

[5] Chinese Acad Agr Sci, Inst crop Sci, Ctr Crop Germplasm Resource, Key Lab Crop Germplasm Utilizat,Natl Key Facility, Beijing 100081, Peoples R China

[6] Gansu Acad Agr Sci, Inst crop Sci, Lab Crop Germplasm Resource, Lanzhou 730070, Gansu, Peoples R China

来源：

BIOTECHNOLOGY & BIOTECHNOLOGICAL EQUIPMENT | 2023年 / 37卷 / 01期

关键词：

Soybean; drought tolerance; drought susceptibility index (DSI); seed yield per plant (YP); genome-wide association study (GWAS); QUANTITATIVE TRAIT LOCI; GENOME-WIDE ASSOCIATION; USE EFFICIENCY; CARBON-ISOTOPE; HETERODERA-GLYCINES; EMPIRICAL BAYES; GRAIN-YIELD; SEED YIELD; TOLERANCE; IDENTIFICATION;

D O I：

10.1080/13102818.2022.2155569

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Drought has historically represented the greatest abiotic stress to adversely affect the stability of soybean (Glycine max (L.) Merr.) yields in non-irrigated field conditions. To investigate the genetic basis underlying drought tolerance in soybean, we screened the seed yield per plant (YP) in a natural diversity panel of 149 accessions under both water deficit (drought-stressed; YP-S) and well-watered (full irrigation; YP-W) conditions in field and greenhouse trials and calculated a drought susceptibility index (DSI) based on the differences in yield between treatments within each accession. A total of 19 quantitative trait loci (QTLs) were identified: eight were significantly associated with YP-W, 10 were associated with YP-S, 2 were associated with DSI and one QTL was associated with both YP-S and DSI. We then compared QTLs identified here with previously reported markers and found that these loci were located in regions associated with yield-related and other agronomic traits. In particular, YP-S-associated single nucleotide polymorphism (SNP) ss246509299 in chromosome (Chr.) 8, and YP-W-associated ss249310678 on Chr. 17 were both previously correlated with canopy wilt. Eight significant QTLs were located within eight genes. Glyma.18g092200, contained ss249600231 and annotated as GmWRKY168, is reportedly responsive to cadmium. This study helps to resolve which loci contribute to yield under drought stress in soybean, and can potentially serve as markers for selection of elite, high-yield and drought tolerant varieties.

引用

页码：92 / 103

页数：12

共 95 条

[21] Relationships between water use efficiency, carbon isotope discrimination, and turf performance in genotypes of Kentucky bluegrass during drought [J].