Volume 2, Number 4 (7-2011)                   jdas 2011, 2(4): 55-66 | Back to browse issues page


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Ahmadi J, Khatibi M, Amirshekari H, Amini Dehagi M. Evaluation of the effective morpho-physiological indices on the yield of spring wheat (Triticum aestivum L.) using multivariate statistical methods . jdas. 2011; 2 (4) :55-66
URL: http://jdas.shahed.ac.ir/article-1-139-en.html

Assistant Professor Imam Khomeini International University
Abstract:   (14810 Views)
In order to evaluate the growth indices and effective morphological and physiological traits of spring wheat (Triticum aestivum L.) using the multivariate statistical method, an experiment was conducted on the basis of randomized complete block design with three replications in Meshkin Shahr, Ardabil province in 2007. During and at the end of the growth season some physiological and morphological characters such as yield and yield components, growth indices, etc. of 10 wheat cultivars were measured. Analysis of variance showed that the variety effect on the majority of traits was significant. Also results showed that there was high variability among different plant properties including height, number of days to flowering, biological yield, seed yield, 1000-kernel weight, number of seed per spike, crop growth rate (CGR), and total dry matter (TDM). In order to evaluate the correlations between the traits, Pearson correlation coefficients were calculated. Results showed that correlation between leaf area index (LAI) and seed yield, number of day to flowering, biological yield, straw yield, CGR and TDM was positive but correlation between LAI with awn length, spike length and harvest index (HI) was negative. Cultivars Hamon, Shiraz and Niknejad were the superior ones with regard to the wheat yield and yield components.
Full-Text [PDF 231 kb]   (2801 Downloads)    
Type of Study: Research | Subject: Special
Received: 2012/03/5

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