Abstract
Determination of breeding criteria is quite important for plant breeders. The present study was carried out to determine yield and its components which are affecting seed yield and to study the relationships between yield components and other characteristics. A total of 42 common bean genotypes that are widely grown in Turkey were used as material. Direct and indirect effects of the yield components on seed yield were analyzed using path coefficient analysis. Seed yield (kg ha-1) was most affected by biologic yield (84.56%), harvest index (65.47%) as positive and negatively affected by number of main branches per plant (28.45%) and flowering day (13.27%) respectively. Correlation analysis showed that seed yield (kg ha-1) was effected by biologic yield (0.8224**), harvest index (0.2913**) as positive and negatively affected by flowering day (-0.3256**), first pod height (-0.2473**), plant height (-0.2406**) and pod number per plant (-0.2272*) respectively. According to the path analysis, the biologic yield, harvest index, number of main branch per plant and days to flowering are important due to direct effect on the increase of seed yield on selection studies.
Highlights
The means of investigated characteristics of the used genotypes were used in a different study which is entitled as “Determination of Yield and some Yield Components of Common Bean (Phaseolus vulgaris L.) Genotypes that Grown in Konya Province” as an oral presentation in Hatay/Turkey (Kahraman & Önder 2009)
Analysis to determine the correlation coefficients (Table 2) revealed that seed yield was affected by biologic yield (0.8224**), harvest index (0.2913**) as positive and negatively affected by flowering day (-0.3256**), first pod height (-0.2473**), plant height (-0.2406**) and pod per plant (-0.2272*) respectively (Table 3)
According to the results of the present study, seed yield was mostly affected by biologic yield (84.56%), harvest index (65.47%) as positive and negatively affected by main branch per plant (28.45%) and flowering day (13.27%) respectively
Summary
It has a wide range of genetic diversity in Turkey especially in Konya which has the most production quantity. Several researches related to the yield of dry bean (kg ha-1) in different regions of Turkey was summarized as following: 840-1320 in Ankara (Şehirali 1971), 2341 in Erzurum (Akçin 1974), 1150-2260 in Samsun (Özçelik & Gülümser 1988), 1130-1150 in Van (Yılmaz & Çiftçi 1994), 574-1196 in Çukurova (Anlarsal et al 2000), 692.9-1550.7 in Konya (Kahraman & Önder 2009). It is recommended to develop the useful plant genotypes which are adaptive to the region. In this respect, breeders who need to
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