This study was carried out to determine the extend of changes in erucic acid concentration of rapeseeds which were grown in Carsamba and Bafra Plains of Central Blacksea Region. In addition to field experiments, the same experiment was conducted in the greenhouse to avoid polen transfer from other sources. The first material used was 00 type rapeseed cultivars. In order to ensure a good result, the experiment sites were selected based on the intensity of other Brassica species (B. oleracea, B. rapa, B. nigra). The harvested rape seeds was the seed material of following year. Erucic acid content was measured for seeds obtained each year. The erucic acid content for three genarations showed that it was much lower than the limits for health (0.04 %)
he GxE interaction (GEI) provides essential information for selecting and recommending cultivars in multi-environment trials. This study aimed to evaluate genotype (G) and environment (E) main effects and GxE interaction of 15 canola genotypes (10 canola lines and 5 check varieties) over 8 environments and to examine the existence of different mega environments. Canola yield performances were evaluated during 2015/16 and 2016/17 production season in three different locations (Southern Marmara, Thrace side of Marmara, and Black Sea regions) of Turkey. The trial in each location was arranged in a randomized complete block design with four replications. The seed yield data were analyzed using GGE biplot and the yield components data were analyzed using ANOVA. The agronomical traits revealed that environments, genotypes, and GEI were significant at 1 % probability for all of the characters. The variance analysis exhibited that genotypes, environments, and GEI explained 21.6, 21.7, and 25.7 % of the total sum of squares for seed yield, respectively. The GGE biplot analysis showed that the first and second principal components explained 57.3 and 18.3 % of the total variation in the data matrix, respectively. GGE biplot analysis showed that the polygon view of a biplot is an excellent way to visualize the interactions between genotypes and environments.
This study was carried out on the land of the Black Sea Agricultural Research Institute in Gelemen in 2019. The industrial cannabis varieties Ferimon, Fedora 17 and Futura 75, which are registered in Europe, as well as the Narlısaray population, which has been cultivated by its producers for many years in Vezirköprü, were used as the material in the study. In the study, plant height and stem yield (kg / da) characters of cannabis varieties were examined. In addition, solid fuel pellets were made from the residues of the stalks after fiber removal, and the calorific value, moisture, ash, pellet diameter, pellet length, pellet durability and flue gas emission values (O2, CO2, CO, NO, NOx, SO2) were examined. The study was carried out in a randomized block design with 3 replications. As a result of the study, the highest values for stem yield, plant height and calorific value were obtained from the Narlısaray population. According to the results, it was concluded that mainly the Narlısaray population as well as the varieties Futura-75, Ferimon,, can be considered as solid fuel sources.
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