ESTIMATION OF HETEROSIS IN SUNFLOWER | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 19, Issue 6, October 2014, Pages 0-0 | ||
| Authors | ||
| T.A. Al-Dulaimy; W.M. Al-Rawi | ||
| Abstract | ||
| Cultivation Five inbred lines of sunflower within full diallel cross proposed by Griffing (1956). In the spring season 2011 in farmer field in Al-Dour city. Seeds of (20) hybrids and it (5) parents were produced. Hybrid were cultivated in the autumen season 2011, according to randomized complete block design with three replications. The objective of this study was to estimate heterosis on the basis of the highest parent for Plant height, stem diameter, leaf area, head diameter, number of seeds in the disk, seed weight, seed set, seed yild, oil content and oil yield plant. The hybrid (2×5) revealed heterosis for oil content and seed yield (179.68% and 134.71%) respectively, with mean seed yield (79.33)g/p. The highest hybrid vigor for reducing plant height was (-18.02%) for the (2 × 3). | ||
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