Relationship between Physiological and Seed Yield Related Traits in Winter Rapeseed (Brassica Napus L.) Cultivars under Water Deficit Stress
American Journal of Agriculture and Forestry
Volume 2, Issue 6, November 2014, Pages: 262-266
Received: Oct. 2, 2014; Accepted: Nov. 4, 2014; Published: Nov. 20, 2014
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Gader Ghaffari, Department of Agricultural Engineering, Payame Noor University, East Azarbaijan Province, Iran
Mahmoud Toorchi, Department of Crop Production and Breeding, Faculty of Agriculture, University of Tabriz, Iran
Saeid Aharizad, Department of Crop Production and Breeding, Faculty of Agriculture, University of Tabriz, Iran
Mohammad-Reza Shakiba, Department of Crop Production and Breeding, Faculty of Agriculture, University of Tabriz, Iran
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Finding the relationship between physiological traits and seed yield components is an important objective in crop breeding programs. Canonical correlation analysis has been adopted to study the strength of association between the physiological traits and seed yield under water deficit stress and to obtain the physiological traits that have the largest effect on seed yield and its components. This study revealed that leaf water potential, relative water content, leaf osmotic potential and chlorophyll index had the largest influence on seed yield and its components under severe water deficit. Under mild water deficit, leaf water potential and relative water content were also important for improving seed yield. Leaf water potential, relative water content, chlorophyll fluorescene and chlorophyll index were had the largest effect on seed yield and its components under well watered condition.
Canonical Correlation, Water Deficit Stress, Winter Rapeseed
To cite this article
Gader Ghaffari, Mahmoud Toorchi, Saeid Aharizad, Mohammad-Reza Shakiba, Relationship between Physiological and Seed Yield Related Traits in Winter Rapeseed (Brassica Napus L.) Cultivars under Water Deficit Stress, American Journal of Agriculture and Forestry. Vol. 2, No. 6, 2014, pp. 262-266. doi: 10.11648/j.ajaf.20140206.15
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