Gorgan University of Agricultural Sciences and Natural Resources Journal of Crop Production 2008-739X 5 4 2014 02 20 Investigation of quantitative and qualitative characteristics of silage corn genotypes in Varamin region Investigation of quantitative and qualitative characteristics of silage corn genotypes in Varamin region 19 38 1125 FA Journal Article 2013 05 07 <span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">In order to investigate the agro-morphological and physiologic characteristics of different silage corn genotypes, an experiment was carried out at </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">Agricultural and Natural Resource Research Center of Tehran Province during</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> 2009-2010. In this experiment, twenty genotypes of silage corn were compared in the form of </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">Randomized Complete Blocks</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> Design with four replications. </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">Evaluated</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> traits </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">were </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">growth period, number of leaf, plant height, stem diameter, dry and freshweight of leaf, stem, sheath, ear as well as dry and fresh forage yield and its quality. Correlation among studied treats showed, dried weight of stem, ear and sheath had the highest correlation with forage yield. The genotype No.2 (</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">K3547/4×MO17</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">) had the highest correlation in the most of investigated characteristics such as number of leaf, stem diameter, dry and fresh weight of sheath and ear, growth period and dried forage yield, but didn’t showed appropriate quality. In respect to forage quality, the genotypes of No.16 (</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">KLM76004/2-1-7-2-1-1-1-1 ×K19/1</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">) and No.18 (</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">KSC670 (K3653/2×K19)</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">) showed the highest percent of </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">dry matter digestibility</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> and the genotype No.2 pointed out the highest percent of </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">crude protein</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">, percent of dissolved fiber and ash percent. The genotype No.18 allocated the highest percent of </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">metabolizable energy.</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> So, it seems that the genotype No.16 with middle height but folious, middle stem weight and relatively high ear weight and produced forage quality is of particular importance and can be a suitable option for the region.</span> <span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">In order to investigate the agro-morphological and physiologic characteristics of different silage corn genotypes, an experiment was carried out at </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">Agricultural and Natural Resource Research Center of Tehran Province during</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> 2009-2010. In this experiment, twenty genotypes of silage corn were compared in the form of </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">Randomized Complete Blocks</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> Design with four replications. </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">Evaluated</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> traits </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">were </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">growth period, number of leaf, plant height, stem diameter, dry and freshweight of leaf, stem, sheath, ear as well as dry and fresh forage yield and its quality. Correlation among studied treats showed, dried weight of stem, ear and sheath had the highest correlation with forage yield. The genotype No.2 (</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">K3547/4×MO17</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">) had the highest correlation in the most of investigated characteristics such as number of leaf, stem diameter, dry and fresh weight of sheath and ear, growth period and dried forage yield, but didn’t showed appropriate quality. In respect to forage quality, the genotypes of No.16 (</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">KLM76004/2-1-7-2-1-1-1-1 ×K19/1</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">) and No.18 (</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">KSC670 (K3653/2×K19)</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">) showed the highest percent of </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">dry matter digestibility</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> and the genotype No.2 pointed out the highest percent of </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">crude protein</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;">, percent of dissolved fiber and ash percent. The genotype No.18 allocated the highest percent of </span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt;">metabolizable energy.</span><span style="line-height: 115%; letter-spacing: -0.2pt; font-family: 'Times New Roman','serif'; font-size: 11pt; mso-fareast-font-family: Calibri; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: FA; mso-bidi-font-size: 12.0pt;"> So, it seems that the genotype No.16 with middle height but folious, middle stem weight and relatively high ear weight and produced forage quality is of particular importance and can be a suitable option for the region.</span> https://ejcp.gau.ac.ir/article_1125_fe63654f5bef555a97e3d2e4d190a95c.pdf