Multivariate analyses of quantitative and qualitative characteristics of hopeful cotton varieties under cold weather conditions

Document Type : Research Paper

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Abstract

This research was conducted in order to evaluate of quantitative and qualitative characteristics of some hopeful cotton cultivars in Urmia region. In this study 8 cultivars were evaluated along with Varamin and Sahel as check cultivars in form of complete randomized block design with 4 replications in 2014, 2015 and 2016 (three cropping seasons). The Combination analysis results showed that the Interaction between treatments effect in the year to end-yield, yield per plant and boll weight (α =0.05), as well as the number of bolls per plant probability level (α = 0.01) were significant. In Stepwise regression analysis two variables, the number of bolls per plant, boll weight entered in the model. Path analysis showed that the number of bolls per plant had direct impact on yield (0.9934) and indirect effect of boll weight and number of bolls per plant on yield was higher than the rest of properties and as well as principal components analysis for the two main components of the high-value variables to determine, the number of bolls per plant is present in both components.This feature can be used to improve the commercial cultivars background and hybrid seed production which could be considered in this area.

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References

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Iranian Journal of Field Crop Science
Volume 49, Issue 1
June 2018
Pages 189-195

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History

  • Receive Date: 27 February 2017
  • Revise Date: 12 August 2017
  • Accept Date: 14 August 2017
  • Publish Date: 22 May 2018

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