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    A STUDY ON THE DETERMINATION OF THE PERFORMANCE OF SOME YIELD COMPONENTS IN DRY BEAN GENOTYPES (PHASEOLUS VULGARIS L.) IN DIFFERENT ENVIRONMENTS
    (Parlar Scientific Publications (P S P), 2018) Sozen, Omer; Karadavut, Ufuk; Akcura, Mevlut
    This study aimed to determine the responses of dry bean genotypes to different environments in terms of yield components. The study was carried out for five years (from 2011 to 2015 year) with a total of 20 dry bean genotypes comprising 7 registered lines and 13 advanced lines. In the study, years were defined as environment. Although planting varied depending on climate conditions, all plantings during the five-year period were carried out in May. The GGE [genotype main effect (G) and genotype by environment interaction (GE)] biplot graphical tool was used to analyze yield component data. The combined analysis of variance revealed a significant difference (P<0.01) among genotypes, environments and genotype-by-environment interaction for all studied traits. In conclusion, seed yield per plant ranged from 21.7 to 42.1 g, number of seeds per plant ranged from 43.7 to 162.2 and 100-seed weight ranged from 22.9 to 45.7 g. The evaluation of the genotypes in terms of stability showed that Onceler 98, Akdag and A.27 genotypes were more stable in terms of seed yield per plant, A.20, A.21, Onceler 98, Goynuk 98 and Zulbiye genotypes were more stable in terms of seed number per plant and Yunus 90 was more stable in terms of 100-seed weight. GGE biplot facilitated the visual comparison and identification of superior genotypes according to their yield performance.
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    Genotype x environment interaction of some dry bean (Phaseolus vulgaris L.) genotypes
    (Agricultural Research Communication Centre, 2018) Sozen, Omer; Karadavut, Ufuk; Ozcelik, Huseyin; Bozoglu, Hatice; Akcura, Mevlut
    Beans are grown in different environments. The most important issue in bean agriculture is to increase seed yield as expected in other plants. As well reported so far, environmental factors such as rain, heat, their timing and topography affect yield and yield quality in dry beans. So, this study was conducted in 2011-2015 in Samsun (Ambarkopru and Gelemen) and Kirsehir (Mucur and Cogun) locations in order to investigate the effects of the environmental factors on dry bean. For this aim, 20 dry bean genotypes (7 cultivars and 13 pure lines) were used as plant materials. Results showed that G5, G11 and G15 genotypes were close to ideal genotypes. When the year was considered as the environmental factor, the ideal production year was in 2013 with respect to yield and yield quality, concluding that climate changes between years affected yield parameters in dry bean genotypes.