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	Screening for drought tolerance: comparison of maize hybrids under water deficit condition
	Ali, Qurban; Ahsan, Muhammad; Saif-ul-Malook; Kanwal, Naila; Ali, Fawad; Ali, Arfan; Ahmed, Wazir; Ishfaq, Muhammad; Saleem, Muhammad
通讯作者	Ali, Q
来源期刊	ADVANCEMENTS IN LIFE SCIENCES
ISSN	2310-5380
出版年	2016
卷号	3 期号:2 页码:51-58
英文摘要	Background: Maize is an important cereal crop, grown throughout the globe for human food and livestock feed, but biotic and abiotic factors had shown adverse effects on biomass and grain yield. Changing climatic conditions have imposed drought (water scarcity) as a major problem to combat with yield losses and biomass in maize and other cereals. Methods: The prescribed study was conducted to evaluate F-1 hybrids at seedling subject to 45% moisture level. The data was recorded and subjected to multivariate analysis to find the significant variation attributed by various traits under stress conditions for efficient root/shoot development. Results: Significant differences were found in F1 hybrids for all studied traits. Higher heritability was found for root length, shoot length and fresh shoot weight, while fresh shoot weight, dry shoot weight and dry root weight showed higher genetic advance. Significant correlation was found for dry root weight to fresh shoot length and fresh root length, fresh root weight to fresh root/shoot weight ratio and fresh shoot weight. The hybrids Sh-139xB-316, Raka-poshixB-316, B-327xB-316, Sh-139xEV-340, EV-1097QxEV-347, EV-1097QxEV-340, EV-1097QxPop/209 and B-327xEV-340 showed higher and positive heterosis and heterobeltiosis for most of the studied traits. To assess the overall variation on dependent structure, we used multivariate analysis, an important tool in breeding program, for efficient selection. Conclusions: EV-1097QxPop/209 and Sh-139xEV-340 showed significant results for root and shoot development under various water stress regimes at seedling stage, thus further studies should be carried out to find out the known and un-known loci regarding root and shoot development traits in high yielding maize cultivars under arid/semi-arid regions.
英文关键词	Zea mays drought stress genetic components multivariate analysis
类型	Article
语种	英语
开放获取类型	DOAJ Gold
收录类别	ESCI
WOS记录号	WOS:000376541400003
WOS关键词	ZEA-MAYS ; GRAIN-YIELD
WOS类目	Biology
WOS研究方向	Life Sciences & Biomedicine - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/331531
作者单位	[Ali, Qurban; Ahsan, Muhammad; Saif-ul-Malook; Kanwal, Naila; Ali, Fawad] UAF, Dept Plant Breeding & Genet, Faisalabad, Pakistan; [Ahmed, Wazir] MNS Univ Agr, Dept Soil & Environm Sci, Multan, Pakistan; [Ali, Arfan] Univ Lahore, IMBB, Lahore, Pakistan; [Saif-ul-Malook] Univ Chinese Acad Sci, Kunming Inst Bot, Kunming, Peoples R China; [Ishfaq, Muhammad; Saleem, Muhammad] Univ Punjab, Mol Genet Res Lab, Lahore, Pakistan
推荐引用方式 GB/T 7714	Ali, Qurban,Ahsan, Muhammad,Saif-ul-Malook,et al. Screening for drought tolerance: comparison of maize hybrids under water deficit condition[J],2016,3(2):51-58.
APA	Ali, Qurban.,Ahsan, Muhammad.,Saif-ul-Malook.,Kanwal, Naila.,Ali, Fawad.,...&Saleem, Muhammad.(2016).Screening for drought tolerance: comparison of maize hybrids under water deficit condition.ADVANCEMENTS IN LIFE SCIENCES,3(2),51-58.
MLA	Ali, Qurban,et al."Screening for drought tolerance: comparison of maize hybrids under water deficit condition".ADVANCEMENTS IN LIFE SCIENCES 3.2(2016):51-58.