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\hypersetup{pdftitle={The Effect of Salicylic Acid on Germination and Seedling Growth Characteristics of Maize (\textit{Zea Mays} L.)},pdfauthor={Afifeh Neisi, Abbas Nasiri Dehsorkhi},pdfsubject={Tropentag 2016: Abstract},pdfkeywords={Germination, Pre-treated seeds, Seedling establishment  },pdfpagemode=None,colorlinks=true}
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\parbox[b]{13.4cm}{\centering \large{\textbf{Tropentag, September 18-21, 2016, Vienna, Austria}}\\[1ex] \Large{``Solidarity in a competing world ---\\fair use of resources''\\[2ex]}}
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\Large{\textbf{The Effect of Salicylic Acid on Germination and Seedling Growth Characteristics of Maize (\textit{Zea Mays} L.)\footnote{\textbf{Contact Address:} Abbas Nasiri Dehsorkhi, Shahrood University of Technology, Dept. of Agronomy and Plant Breeding, Mobarekeh Street, Isfahan, Iran, \mbox{e-mail}: \email{abasnasiri110@yahoo.com}}\\[0.8ex]}}
\normalsize{\textsc{Afifeh Neisi$^{1}$, Abbas Nasiri Dehsorkhi$^{2}$}}
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\begin{itemize*}
\item[]{\small{\textit{$^{1}$Shahrood University of Technology, Dept. of Agronomy and Plant Breeding, }}}
\item[]{\small{\textit{$^{2}$Shahrood University of Technology, Dept. of Agronomy and Plant Breeding, Iran}}}
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\index[author]{Neisi, Afifeh}
\index[author]{Nasiri Dehsorkhi, Abbas}
\begin{center}
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\textbf{Abstract}
\begin{abstract}
\normalsize{
One of the critical stages of plant growth cycle, stages of germination and seedling establishment, because it plays a major role in determining the final density of plants. Increasing the rate of germination and crop growth in early season can increase crop competitiveness and reduce weed damage. Seed priming technique has been known as a cause to improve germination and seedling emergence under different environment stresses. The other side, salicylic acid or orthohydroxybenzoic acid play a major role in regulation of many physiological processes e.g. growth, development, ion absorption and germination of plants. In this regard, in order to investigate the effect of salicylic acid pre"=treatment on germination and seedling growth characteristics of maize (\textit{Zea mays} L.) an experiment was conducted at Faculty of Agriculture, Shahrood University in the laboratory conditions as completely randomised design with three replications in 2014. Treatments were salicylic acid in four levels: 0.5, 1, 1.5 and 2 mM. Analysis variance of data indicated significant differences among treatments on percentage and rate of germination, length of root and shoot, dry weight of root and shoot and seedling vigour index. Mean comparison of treatments showed that the highest enhancement in mentioned traits was observed in concentrations of 1 mM. Results suggested that the concentrations of 1 mM salicylic acid increased the percentage and rate of germination by 53.5 and 61.5 percent compared with the concentrations of 2 mM respectively. Based on this experiment results, pre"=treated of maize seeds with salicylic acid can increase some plant parameters like percentage and emergence rate of seeds, seedling vigour index and Etc. But high levels of salicylic acid pretreatment causes damage to seed germination and seedling growth characteristics.}

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\noindent \textbf{Keywords:} Germination, Pre"=treated seeds, Seedling establishment  
\index[key]{Germination}
\index[key]{Pre"=treated seeds}
\index[key]{Seedling establishment  }
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