Arid
DOI10.1080/00103624.2013.863907
Amelioration of Drought in Sorghum (Sorghum bicolor L.) by Silicon
Ahmed, Mukhtar1; Fayyaz-Ul-Hassan1; Asif, Muhammad2
通讯作者Ahmed, Mukhtar
来源期刊COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
ISSN0010-3624
EISSN1532-2416
出版年2014
卷号45期号:4页码:470-486
英文摘要

The purpose of this study was to analyze the effects of silicon (Si) nutrition on sorghum growth under drought. The present study investigated the distribution of Si in plant parts under stress conditions and its effects on physiological and growth traits. The study was conducted during 2 years (2007-2009) at PMAS Arid Agriculture University, Rawalpindi, Pakistan. Polyethylene glycol (PEG) 6000 (-4.0, -6.0, -8.0, and -10.0 Mpa) solution was used to screen drought-tolerant (Johar1) and drought-susceptible (SPV462) sorghum (Sorghum bicolor L.) cultivars, which were replicated three times with Si sources of potassium silicate (K2SiO3) (Si-300: 300 ml L-1) and control (Si-0) treatments. The results showed that drought-tolerant cultivars accumulated maximum Si under Si treatment versus Si absence, which resulted increased leaf water potential, leaf area index, Soil Plant Analysis Development (SPAD) chlorophyll, net assimilation, and relative growth rate over SPV462. Similarly, Si accumulation in leaves conserved transpiration and leaf water potential, verifying Si nutrition as a defense for plants under drought.


英文关键词Drought silicon nutrition screening water relations sorghum SPAD
类型Article
语种英语
国家Pakistan ; Canada
收录类别SCI-E
WOS记录号WOS:000331785600006
WOS关键词ORYZA-SATIVA L. ; SALT-STRESSED BARLEY ; HORDEUM-VULGARE L. ; EXOGENOUS APPLICATION ; TOLERANCE MECHANISM ; OXIDATIVE STRESS ; SALICYLIC-ACID ; UPTAKE SYSTEM ; WATER-STRESS ; PLANTS
WOS类目Agronomy ; Plant Sciences ; Chemistry, Analytical ; Soil Science
WOS研究方向Agriculture ; Plant Sciences ; Chemistry
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/181445
作者单位1.PMAS Arid Agr Univ, Dept Agron, Rawalpindi 46000, Pakistan;
2.Univ Alberta, Edmonton, AB, Canada
推荐引用方式
GB/T 7714
Ahmed, Mukhtar,Fayyaz-Ul-Hassan,Asif, Muhammad. Amelioration of Drought in Sorghum (Sorghum bicolor L.) by Silicon[J],2014,45(4):470-486.
APA Ahmed, Mukhtar,Fayyaz-Ul-Hassan,&Asif, Muhammad.(2014).Amelioration of Drought in Sorghum (Sorghum bicolor L.) by Silicon.COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS,45(4),470-486.
MLA Ahmed, Mukhtar,et al."Amelioration of Drought in Sorghum (Sorghum bicolor L.) by Silicon".COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 45.4(2014):470-486.
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