Journal of Agronomy1812-53791812-5417Asian Network for Scientific Information10.3923/ja.2018.28.36Hordeum vulgare L.) of South Algeria]]>Rahal-BouzianeHafida BradaiFatiha AlaneFarida YahiaouiSamia 12018171Background and Objective: Variability, morphological traits and correlations can be advantageous for breeding programs. The aim of this study was to investigate the influence of flag leaf traits on yield components and their ash content at the soft dough stage and to estimate the variability among genotypes. Materials and Methods: The survey was carried out on 11 barley landraces under sub-humid conditions using a randomized design for morphological and agronomic traits and AFNOR method for ash content. One-way ANOVA was used for analysis of variance, Pearsons coefficients for correlations and principal component analysis for multivariate statistical assessment. Results: Principal component analysis showed that 5 components absorbed 87.43% of variation. The greater variation among the genotypes was explained mostly by traits of flag leaf, spike and total dry matter yield. Principal correlations showed that the flag leaf area was positively correlated with the spike weight per square meter which had positive correlation with flag leaf length, positive and high correlation with the spike dry weight. Spike fresh weight correlated positively with spike ash content. This last was correlated negatively with ash content of stems and leaves, it was also negatively but highly correlated with flag leaf inclination angle. Heading had a high negative correlation with the spike dry matter content. It was negatively correlated with ash content of stems and leaves but positively with spike ash content. Total dry yield was negatively correlated with flag leaf fresh weight but positively highly correlated with the flag leaf dry matter content. Conclusion: A strong diversity was found in the germplasm revealed by very highly significant differences for the majority of the traits studied and particularly for traits of flag leaf, forage yield and spikes. This variability and some links between the flag leaf traits and yield components can help to improve biomass production and ash quality of barley forage.]]>Alazmani, A.,201547577Duke, J.A.,1983Gmelina arborea Roxb. Handbook of Energy Crops.]]>OECD.,2004Hordeum vulgare L.): Key food and feed nutrients and anti-nutrients.]]>2004Sheng, T., Q. Qian, D.L. Zeng, Y. Kunihiro, K. Fujimoto, D.N. Huang and L.H. Zhu,2004Oryza sativa L.).]]>13517Xue, D.W., M.C. Chen, M.X. Zhou, S. Chen, Y. Mao and G.P. Zhang,2008Hordeum vulgare L.) for morphological traits and chlorophyll content.]]>9938943Jiang, H., X.H. Wang, Q.Y. Deng, L.P. Yuan and D.Q. Xu,200240133137Zhang, X.C., C.G. Lu, H.U. Ning, K.M. Yao, Q.J. Zhang and Q.G. Dai,201320434441Guendouz, A., N. Semcheddine, L. Moumeni and M. 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