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Showing 1 results for Rasoulzadeh Aghdam
Maryam Rasoulzadeh Aghdam, Reza Darvishzadeh, Ebrahim Sepehr, Hadi Alipour,
Volume 8, Issue 1 (8-2021)
Abstract
Nutrient deficiencies are important abiotic stresses that can affect plant growth and development. In this study, 76 sunflower pour lines collected from different regions of the world were evaluated in pot using some physiological traits with combined analysis of completely randomized design with three replications under optimal and phosphorus deficit conditions. Phosphorus deficiency decreased the means of all studied traits except canopy temperature. Oilseed sunflower lines were grouped into five and four clusters in each one of optimum and phosphorus deficient conditions, respectively. However, in both optimum and phosphorus deficient conditions, lines 19, 21, 27, 44 and 71 were classified into desirable cluster with high yield and yield components. Multivariate tolerance index (MFVD) for each genotype was calculated using the ratio and productivity matrices of the studied traits under optimal and phosphorus deficit conditions using principal component analysis on the resulting matrices. Based on the resulting biplot, lines 71, 74, 65, 21, 39, 7, 18 and 11 were introduced as desirable and phosphorus deficit tolerant lines.
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