Effect of genotype x external environment interaction on the number of the kernel per ear of barley
2024
Genotype, external environment and their mutual interaction are determining or limiting a yield and barley tolerance to stressful conditions. This paper presents the results of a two-year study of nine selected genotypes at two localities. Aim of the investigation was determine which of the genotypes in the given production conditions gives the best results in the height and stability of yield. Based on the analysis of variance, Duncan 's test and interaction relations, a large variability between the examined genotypes was determined under the influence of different agroecological conditions of the locality, years of testing and their mutual interactions. All genotypes in this study achieved high yields. The highest total average yield from both localities and both years of testing was achieved by genotype 3 (8,767.99 kg ha-1), and the lowest genotype 7 (6,075.85 kg ha-1), which is significantly higher than the average yield in production in our country (3,150 kg ha-1). This showed that, with the selection of quality genotypes, the application of quality agrotechnics in appropriate agroecological conditions, a higher yield can be achieved.
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Эту запись предоставил Estonian University of Life Sciences