USE OF AMMI MODEL TO ANALYZE GENOTYPE- ENVIRONMENT INTERACTION FOR EGYPTIAN COTTON | ||
| Egyptian Journal of Agricultural Research | ||
| Article 29, Volume 76, Issue 2, July 1998, Pages 773-783 PDF (2.63 M) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ejar.1998.353705 | ||
| Author | ||
| SAMER A. EL-SHAARAWY | ||
| Cotton Research Institute, Agricultural Research Centre, Giza, Egypt | ||
| Abstract | ||
| The additive main effects and multiplicative interaction (AMMI) was applied to analyze the genotype-environment interaction for thirty (Gossypium barbadense L.) genotypes over five environments. The mean squares for environments (E), genotype (G), and GE interaction were highly significant for all traits. The mean square for first interaction principal component axis (IPCA 1) was highly singnificant for all traits. The second interaction principal component axis (IPCA 2) was highly significant for boll weight and lint yield. The third interaction principal component axis (IPCA 3) was highly significant for lint yield. Two strains (F5 733/91 and F8 899/91) showed high boll weight and minimum IPCA 1. Three strains (F5 691/91, F6 744/91 and G 75R6022) showed minimum IPCA 1 and IPCA 2. Those strains were highly stable for boll weight. For lint yield, two strains (F5 678/91 and F6 744/91) were highly productive with minimum IPCA 1. The most stable strains for lint yield were M5 491/91 and F5 795/91. Four strains (M5 507/91, F6 757/91, F7 891/91 and F7 893/91) showed the minimum IPCA 1 and high lint percentage. The most stable strains for lint percentage were F5 689/91, F5 720/91, F7 893/91 and F8 901/91. | ||
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