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COMBINING ABILITY ESTIMATION IN DURUM WHEAT(Triticum durum Desf.) | ||
| Mesopotamia Journal of Agriculture | ||
| Article 24, Volume 37, Issue 1, 2009, Pages 184-194 PDF (0 K) | ||
| DOI: 10.33899/magrj.2009.27376 | ||
| Authors | ||
| Ahmed Abdul Jawad ALl-Thaher1; Arshad Thanoon ALl-Niaumi2 | ||
| 1Mosul University/College of Agric. & Forestry, Iraq | ||
| 2Commission of Technical Education Insti. Tech. Educa. Mosul | ||
| Abstract | ||
| Seven durum wheat entries (Triticum durum Desf.) were used in this study . Six of them (Omgenil-3, Albit-9, Azeghar-2, Azul-5, Mna-1/Rfm-7, 1346/Lahn /Bcr/LKS4) introduced from (ICARDA) , in addition to the local growing variety (Waha) . The studied traits were : No. of days to 50% flowering , plant height, No. of spikes per plant , spike length , No. of grains per spike , biological yield per plant , grain yield per plant , harvest index , 1000-grain weight and protein percentage . These traits were genetically analyzed using Method-1 , Fixed Model of Griffing (1956) . Genotypes (Parents , F1s and reciprocals) were different at 1% significant level of probability for all the traits . General combining ability variances were significantly different for No. of days to flowering , plant height , No. of spikes per plant , spike length , 1000-grain weight , biological yield per plant and protein percentage . Specific combining ability variances were significantly different for plant height , No. of spikes per plant , biological yield per plant , grain yield per plant , harvest index and protein percentage . Reciprocal variances were significant for all the traits except for harvest index . Albit-9 and Azul-5 were superior in their general combining ability effects over the others . The crosses (Azeghar-2×Mna-1) , (Omgenil-3×Albit-9) , (Omgenil-3× Azegar-2) , (Albit-9×1346/Lahn) , (Albit-9×Waha) were superior over the others in the specific combining ability effects for all the traits . | ||
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