HETEROSIS AND COMBINING ABILITY FOR SOME BREAD WHEAT CROSSES | ||||
| Journal of Plant Production | ||||
| Article 5, Volume 27, Issue 9, September 2002, Page 5735-5744 PDF (3.07 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2002.256594 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| I. E. M. A. EI-Beially,1; E. A. M. EI-Sayed2 | ||||
| 1Department of Agronomy Faculty of Agriculture - AI-Azhar University Cairo, Egypt | ||||
| 2National wheat program, FI.eld Crops Res. Institute, ARC, Egypt | ||||
| Abstract | ||||
| A partial diaRel crosses matting design was made among seven common wheat varieties and lines during 2000/2001 and 200112002 seasons at the Farm of the Fac. of Agtlc. AI·Azhar univ. Madient Nasr, Cairo. Egypt. Significant mean squares were obtained for genotypes, parents. crosses 'or all traits studied. Parents vs crosses for heading dale. No .• Kernels/spike 1000- Kemels weight and Grain yield/plant were also significant. P1 and Ps were at the top of the tested parents in grain yield/plant. The !WO crosses P2 X P5 and P2 x PI! gave the highest values of grain yieldfplant. The mean squares assccratee with GCA and SCA were significant for all traits studied which indicated the presence of both additive and non-additive types of gene eHects including dominance. The ratioes of GCAfSCA were more than unity in all traits except for No. spikes/plant which indicated that additive gene effects were more important than dominance in the expression of these traits. The crosses P2 X P5 • P2 X Pe . P2 X P7 and P3 X Ps gave Significant values fer heterotIc effect relative to better parent for grain yield/plant. | ||||
|
Statistics Article View: 32 PDF Download: 134 |
||||
