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Cross-Testing between Four Varieties: HD 1220 (HIDHAB), ARZ, MAHON X DEMIAS and ANZA of Constantine Wheat

Letlout Hayet and Ouldjaoui Ahmed

Inter-varietal crosses were made between 4 varieties: HD 1220 (HIDHAB), ARZ, MAHON X DEMIAS and ANZA of BREAD wheat with 2 repetitions while following their cycle of development. The principals components analysis: A.C.P. variety: HD 1220 (HIDHAB) shows that the number of grains per square meter (37.15%) contributed the most to the formation of the axis F1 while the number of spike per square meter (51.90%) as the most axis F2. That of the ARZ variety shows that the number of grains per square meter (43.41%) contributed the most to the formation of the F1 axis otherwise the number of grains per spike shape as the axis F2 (55.86%). Measuring the pH of our soil is estimated at 7.47. It is slightly alkaline and this is a heavy and highly calcareous is soil. It is also a mineral soil because the percentage of the organic material is 1.81.