Arid
DOI10.2225/vol14-issue3-fulltext-3
QTL mapping for physiology, yield and plant architecture traits in cotton (Gossypium hirsutum L.) grown under well-watered versus water-stress conditions
Saeed, Muhammad1; Guo, Wangzhen1; Ullah, Ihsan2; Tabbasam, Nabila2; Zafar, Yusuf2; Mehboob-ur-Rahman2; Zhang, Tianzhen1
通讯作者Zhang, Tianzhen
来源期刊ELECTRONIC JOURNAL OF BIOTECHNOLOGY
ISSN0717-3458
出版年2011
卷号14期号:3
英文摘要

Increasing scarcity of irrigation water is a major threat to sustainable production of cotton (Gossypium hirsutum L.). Identifying genomic regions contributing to abiotic stress tolerance will help develop cotton cultivars suitable for water-limited regions through molecular marker-assisted breeding. A molecular mapping F(2) population was derived from an intraspecific cross of the drought sensitive G. hirsutum cv. FH-901 and drought tolerant G. hirsutum cv. RH-510. Field data were recorded on physiological traits (osmotic potential and osmotic adjustment); yield and its component traits (seedcotton yield, number of bolls/plant and boll weight); and plant architecture traits (plant height and number of nodes per plant) for F(2), F(2:3) and F(2:4) generations under well-watered versus water-limited growth conditions. The two parents were surveyed for polymorphism using 6500 SSR primer pairs. Joinmap3.0 software was used to construct linkage map with 64 polymorphic markers and it resulted into 35 markers mapped on 12 linkage groups. QTL analysis was performed by composite interval mapping (CIM) using QTL Cartographer2.5 software. In total, 7 QTLs (osmotic potential 2, osmotic adjustment 1, seedcotton yield 1, number of bolls/plant 1, boll weight 1 and plant height 1) were identified. There were three QTLs (qtlOP-2, qtlOA-1, and qtlPH-1) detected only in water-limited conditions. Two QTLs (qtlSC-1 and qtlBW-1) were detected for relative values. Two QTLs (qtlOP-1 and qtlBN-1) were detected for well-watered treatment. Significant QTLs detected in this study can be employed in MAS for molecular breeding programs aiming at developing drought tolerant cotton cultivars.


英文关键词composite interval mapping cotton drought tolerance
类型Article
语种英语
国家Peoples R China ; Pakistan
收录类别SCI-E
WOS记录号WOS:000293632300002
WOS关键词FIBER-RELATED TRAITS ; OSMOTIC ADJUSTMENT ; ALLOTETRAPLOID COTTON ; ARID CONDITIONS ; SALT TOLERANCE ; DROUGHT STRESS ; LINKAGE MAP ; ENVIRONMENT ; RESPONSES ; PRODUCTIVITY
WOS类目Biotechnology & Applied Microbiology
WOS研究方向Biotechnology & Applied Microbiology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/167878
作者单位1.Nanjing Agr Univ, Natl key Lab Crop Genet & Germplasm Enhancement, Cotton Res Inst, Nanjing 210095, Peoples R China;
2.Natl Inst Biotechnol & Genet Engn, Plant Genom & Mol Breeding Lab, Faisalabad, Pakistan
推荐引用方式
GB/T 7714
Saeed, Muhammad,Guo, Wangzhen,Ullah, Ihsan,et al. QTL mapping for physiology, yield and plant architecture traits in cotton (Gossypium hirsutum L.) grown under well-watered versus water-stress conditions[J],2011,14(3).
APA Saeed, Muhammad.,Guo, Wangzhen.,Ullah, Ihsan.,Tabbasam, Nabila.,Zafar, Yusuf.,...&Zhang, Tianzhen.(2011).QTL mapping for physiology, yield and plant architecture traits in cotton (Gossypium hirsutum L.) grown under well-watered versus water-stress conditions.ELECTRONIC JOURNAL OF BIOTECHNOLOGY,14(3).
MLA Saeed, Muhammad,et al."QTL mapping for physiology, yield and plant architecture traits in cotton (Gossypium hirsutum L.) grown under well-watered versus water-stress conditions".ELECTRONIC JOURNAL OF BIOTECHNOLOGY 14.3(2011).
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