No abstract

A 2-year farm trial by employing the nutrient priming technique on common bean (Sarıkız) and cowpea (Şimal) seeds was performed to assess seed yield and protein content. Priming: (p1) control, (p2) KH 2 PO 4 , (p3) ZnSO 4 and (p4) KH 2 PO 4 +ZnSO 4 , planting date: (d1) 20 May, (d2) 15 June 2015, (d1) 7 May, (d2) 7 June 2016 were used to study the yield (kg ha-1) and crude protein (%) of the mentioned crops in Ankara, Turkey. In 2015, application of p3 and p4 (868.8, 834.8), d2 (962.3) and p4d2, p2d2 and p3d2 (1061, 1052, 1028) increased seed yield of Sarıkız, and p2 and p1 (899.5, 835.9) and d2 (955.9) increased the yield of Şimal. Treatments of p4 and p3 (18.7, 18.5), d2 (19.2), and p4d2 (21.3) increased the protein of Sarıkız and d2 (19.4) increased the protein of Şimal. In 2016, p3 (2506), d2 (2516) and p3d2 (3650) increased the yield, and p4 (26.1), d2 (26.8) and p4d2 (28.3) increased the protein of Sarıkız. Treatments of p3 (1979.1), d2 (2664.3) and p3d2 (3310.6) increased the yield, and d1 (24.1) and p3d1 (25.7) increased the protein of Şimal. Application of Zn and P by seed priming seems to effectively increase the yield and protein content of these crops.

The common fig (Ficus carica L.) is a tree species and is one of the oldest fruit trees cultivated in Turkey. The Western Anatolian region of Turkey produces nearly a quarter of the total dried fig production of the world. This region also harbours a rich fig germplasm. However, so far this germplasm has remained largely uncharacterised. In this study, using 14 simple sequence repeat (SSR) primer pairs, we analysed a total of 310 fig accessions from six different regions of Anatolia. In structure analyses, Western Anatolian accessions formed a group, which was correlated with their geographical distribution. In addition, 7 identical, 36 synonymous, and 22 homonymous fig accessions were identified. In multilocus lineages (MLLs) analysis a total of 54 accessions were matched to different accessions as clone assignment. The results will facilitate future germplasm management and breeding efforts in this economically important tree species by identifying genetic diversity, genetic relations and characterising the structure of studied populations and accessions.

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Cold stress affects plant metabolism and transcripts. The effect on plant metabolism was caused both by direct inhibition of metabolic enzymes at cold temperatures and by reprogramming the gene expression. The main objective of this study was to evaluate and identify of expression level of some cold-related genes under control and cold stress conditions in 11 spring/winter barley (Hordeum vulgare L.) varieties and 2 Hordeum spontaneum wild genotypes. For this purpose, expression profile of the main C-repeat binding factor )CBF( genes along with expression profiles of the two cold-responsive )COR( genes in plants exposed to low temperatures (+4 °C) were investigated. In parallel, measurements of leaf water potential of varieties were performed in control and at low temperature conditions. Results revealed that, the expression level changes of COR14b gene under cold conditions are more consistent with those of the upstream CBF9 gene expression levels in different varieties and time points rather than the other upstream gene (CBF1). The dehidrin8 )DHN8( expression level was also related to the CBF9 gene expression level and the decreased expression of the CBF9 gene resulted in decreased expression or non-expression of the DHN8 gene. Based on results, it could be said that CBF9 interacts with CBF1 to regulate DHN8 expression. Wild genotypes showed statistically insignificant expression increment for investigated genes in days 1 and 8 of stress. This result is an indicator of the increase at expression levels in the stress genes of more tolerant varieties