GENOTYPIC STABILITY FOR THE NEW EGYPTIAN COTTON VARIETIES GIZA 85, GIZA 86, GIZA 89, GIZA 87 AND GIZA 88 | ||
| Egyptian Journal of Agricultural Research | ||
| Article 24, Volume 77, Issue 1, March 1999, Pages 331-342 PDF (2.57 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejar.1999.326614 | ||
| Author | ||
| SAMY S. M. BADR | ||
| Cotton Research Institute, Agricultural Research Centre, Giza, Egypt | ||
| Abstract | ||
| The present investigation aimed to determine genotypic stability for some Egyptian cotton varieties under different environments. Five regional trials were carried out with Egyptian cotton varieties in 1995 and 1996 seasons. Each single trial was grown in a randomized complete block design with four replications. All characters showed highly significant mean squares for varieties, environments and variety x environment interaction. Average genotypic stability degrees were recorded for seed and lint cotton yield for Giza 86, Giza 87, Giza 88; boll weight for Giza 85 and Giza 87; seed index for Giza 85, Giza 86 and Giza 89; micronaire reading for Giza 88; yarn strength for Giza 86, while all varieties under study were unstable for 2.5% and 50% span length. | ||
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