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Papers by Adam Takáč (Rytier z krásnej) H
Emirates Journal of Food and Agriculture
A three-year experiment was conducted to determine the influence of ripening, variety and the pro... more A three-year experiment was conducted to determine the influence of ripening, variety and the production year (2017-2019) on seed and fruit quality of eggplant. The 1000 seed weight, germination capacity, the total protein and oil content of seeds as well as the total protein and sugar content of fruits were determined in three ripeness phases across three production years. All examined varieties exhibited significant differences in the weight of 1000 seeds during ripening, which varied from 1.44 to 4.42 g. Seeds extracted from fruits that reached commercial ripeness did not germinate. As the fruit ripens, its total sugar and protein content decreases, while the reverse is detected in the case of total protein and oil content of seeds. The full ripeness phase was the optimal time for harvesting fruits to obtain high germinating seeds.
Food and Feed Research
Sensory analysis is the best mean to precisely describe the eating quality of fresh foods. Howeve... more Sensory analysis is the best mean to precisely describe the eating quality of fresh foods. However, it is expensive and time-consuming method which cannot be used for measuring quality properties in real time. The aim of this paper was to contribute to the study of the relationship between sensory and instrumental data, and to define a proper model for predicting sensory properties of fresh tomato through the determination of the physicochemical properties. Principal Component Analysis (PCA) was applied to the experimental data to characterize and differentiate among the observed genotypes, explaining 73.52% of the total variance, using the first three principal components. Artificial neural network (ANN) model was used for the prediction of sensory properties based on the results obtained by basic chemical and instrumental determinations. The developed ANN model predicts the sensory properties with high adequacy, with the overall coefficient of determination of 0.859.
Zenodo (CERN European Organization for Nuclear Research), Jun 15, 2015
Acta agriculturae Serbica, 2021
The experiment with drip irrigated pepper was conducted at the Rimski Šančevi experimental field ... more The experiment with drip irrigated pepper was conducted at the Rimski Šančevi experimental field of the Institute of Field and Vegetable Crops in Novi Sad in 2019. The irrigation was scheduled on the basis of the water balance method. Two methods were used to compute the daily evapotranspiration of pepper (ETd): reference evapotranspiration (ETo) and evaporation from an open water surface (Eo). Crop coefficients (kc) and corrective coefficients (k) were used to convert ETo and Eo values into ETd. Kc and k were 0.3-0.4, 0.6-0.7, 0.9-1.1, 0.8-0.9 and 0.4, 0.7, 1.0 and 0.8 for initial stage, crop development, mid season, and late season, respectively. ETo was calculated by the Hargreaves equation. Eo values were measured by a Class-A pan located at a meteorological station near the experimental plot. Irrigation started when readily available water (RAW) in the 0.3 m soil layer was completely absorbed by plants. Differences in crop yield (Y) and irrigation water use efficiency (IWUE) ob...
Ratarstvo i povrtarstvo, 2017
Contemporary Agriculture, 2016
Summary Dunavski rubin is a medium early indeterminate cultivar with large fruits and average fru... more Summary Dunavski rubin is a medium early indeterminate cultivar with large fruits and average fruit weight of 180 g. It was developed by crossing cultivars Korona and Saint Pierre. Hybrid material was grown by using the pedigree method. Phenotypically uniform line V9 was selected and submitted to the Varietal Release Committee of the Republic of Serbia. Cultivar was released in 2014 by the Decision of Ministry of Agriculture, Forestry and Water Management of the Republic of Serbia under no. 320-04-1871/2/2013-11. Dunavski rubin represents successful combination of genes responsible for high fertility rate and fruit quality. Fruits of Dunavski rubin cultivar have high percentage of dry matter (6.30%), high level of lycopene (106.7 mg/100 g), and excellent total acidity (0.39%). Vitamin C content is 52.7 mg/100 g, while total sugars amount to 5.71%. High K content (1520 mg/kg) and low Na content (79.8 mg/kg) is what distinguishes this cultivar from the others. Comparing with other cul...
Acta Horticulturae, 2002
A two-year trial on a chernozem soil was established at the the Rimski Sancevi Experimental Field... more A two-year trial on a chernozem soil was established at the the Rimski Sancevi Experimental Field of the Institute of Field and Vegetable Crops in Novi Sad in order to study the variability of yield and yield components in cabbage. Twelve divergent cabbage genotypes and a randomized block design with three replicates were evaluated. The following six traits were analyzed: head mass, usable portion of head, core length, head height, head diameter, and yield. Highly significant interactions were found in all of the traits except head height and diameter, indicating that these two are varietal traits and that growing conditions have little effect on their variability
Selekcija i semenarstvo, 2015
Genetika, 2015
Early blight is one of the most common and destructive tomato disease and it is caused by the fun... more Early blight is one of the most common and destructive tomato disease and it is caused by the fungus Alternaria solani. The aim of this paper was to screen the reaction of ten tomato genotypes (collection of the Institute of Field and Vegetable Crops) against natural infection of early blight. Tested genotypes showed significant differences in the disease occurrence on leaves but not on fruits. However, at the biochemical level, total phenolics (TP), tannins (TT), flavonoids (TF) and antioxidant activity in tomato fruits was significantly affected by genotype, disease occurrence and interaction of these two factors. According to obtained results, content of these secondary metabolites could be used as a one of the parameters in the evaluation of tomato resistance to EB.
II Balkan Symposium on Vegetables and Potatoes, 2002
The convergence of important trading routes and the arrival of beans from two directions, east (T... more The convergence of important trading routes and the arrival of beans from two directions, east (Turkey) and west (France, Italy), resulted in the development of two approaches in treating the bean as a food item. Consequently, domestic bean breeding programs differ in objectives with respect to grain color, shape and taste. The paper presents a quality comparison between 11 domestic and five foreign bean varieties. The studied quality parameters were grain color and shape, grain size determined as 1000-grain mass, and chemical properties of the grain. Six varieties had colored grains, 10 had white ones. The range of grain shapes covered seven of the 13 recognized shapes. Regarding 1000-grain mass, the domestic varieties were in the group of medium late varieties with the mass ranging from 250 to 450 g. Protein content in grains ranged from 22% to 25%. The varieties differed in the contents of starch, cellulose, fat and minerals in the grain. The hierarchical cluster method of the multivariate analysis was used to classify the tested genotypes according to the. chemical composition of the grain and according to all quality parameters studied
II Balkan Symposium on Vegetables and Potatoes, 2002
Ratarstvo i povrtarstvo, 2015
Ratarstvo i povrtarstvo, 2015
Genetika, 2012
The paper analyzes experimental hybrids of early cabbage developed at the Institute of Field and ... more The paper analyzes experimental hybrids of early cabbage developed at the Institute of Field and Vegetable Crops in the previous period. The hybrids were tested together for two years and then one (H17) was chosen and submitted to the Variety Commission of the Republic of Serbia. In 2011, the experimental hybrid H17 was officially released as an early cabbage hybrid and registered under the name of NS Mendo F1. The hybrid had been developed by crossing two early lines, one of which was sterile. It is characterized by a short growing season - 65 days from transplanting to harvest. The head weight ranges from 2.5 to 3.5 kg depending on the cultural practice applied. The head is light green in color, sweet-tasting, and suitable for fresh consumption. The hybrid?s traits that contributed significantly to the formation of the first principal component were in fact those that the breeders attach most importance to in their breeding programs. These are the traits that directly influence th...
Ratarstvo i povrtarstvo, 2013
Genetika, 2010
Tomato (Lycopersicum esculentum Mill.) is vegetable which could be produced and consumed in a man... more Tomato (Lycopersicum esculentum Mill.) is vegetable which could be produced and consumed in a many different ways, due to its variability, made by breeding programs. Variability of analyzed genotypes was determinated for further fruit traits: average mass, fruit shape, locules number and dry matter content. Variability source structure was determinated using principal components analysis (PCA). Three main components, which explain 94,2 % of total variability, were chosen for further analysis. The biggest part of the first main component has fruit shape and locule number. The second component is determinated by dry matter content, and the third by the fruit mass. For more precisely perception of homology and divergence between analyzed genotypes, nonhierarchical grouping analysis (k-means) was performed, and genotypes were divided into three groups. Divergency was determinated for fruit mass and locule number, while for index shape and dry matter contetent analyzed genotypes are homo...
Emirates Journal of Food and Agriculture
A three-year experiment was conducted to determine the influence of ripening, variety and the pro... more A three-year experiment was conducted to determine the influence of ripening, variety and the production year (2017-2019) on seed and fruit quality of eggplant. The 1000 seed weight, germination capacity, the total protein and oil content of seeds as well as the total protein and sugar content of fruits were determined in three ripeness phases across three production years. All examined varieties exhibited significant differences in the weight of 1000 seeds during ripening, which varied from 1.44 to 4.42 g. Seeds extracted from fruits that reached commercial ripeness did not germinate. As the fruit ripens, its total sugar and protein content decreases, while the reverse is detected in the case of total protein and oil content of seeds. The full ripeness phase was the optimal time for harvesting fruits to obtain high germinating seeds.
Food and Feed Research
Sensory analysis is the best mean to precisely describe the eating quality of fresh foods. Howeve... more Sensory analysis is the best mean to precisely describe the eating quality of fresh foods. However, it is expensive and time-consuming method which cannot be used for measuring quality properties in real time. The aim of this paper was to contribute to the study of the relationship between sensory and instrumental data, and to define a proper model for predicting sensory properties of fresh tomato through the determination of the physicochemical properties. Principal Component Analysis (PCA) was applied to the experimental data to characterize and differentiate among the observed genotypes, explaining 73.52% of the total variance, using the first three principal components. Artificial neural network (ANN) model was used for the prediction of sensory properties based on the results obtained by basic chemical and instrumental determinations. The developed ANN model predicts the sensory properties with high adequacy, with the overall coefficient of determination of 0.859.
Zenodo (CERN European Organization for Nuclear Research), Jun 15, 2015
Acta agriculturae Serbica, 2021
The experiment with drip irrigated pepper was conducted at the Rimski Šančevi experimental field ... more The experiment with drip irrigated pepper was conducted at the Rimski Šančevi experimental field of the Institute of Field and Vegetable Crops in Novi Sad in 2019. The irrigation was scheduled on the basis of the water balance method. Two methods were used to compute the daily evapotranspiration of pepper (ETd): reference evapotranspiration (ETo) and evaporation from an open water surface (Eo). Crop coefficients (kc) and corrective coefficients (k) were used to convert ETo and Eo values into ETd. Kc and k were 0.3-0.4, 0.6-0.7, 0.9-1.1, 0.8-0.9 and 0.4, 0.7, 1.0 and 0.8 for initial stage, crop development, mid season, and late season, respectively. ETo was calculated by the Hargreaves equation. Eo values were measured by a Class-A pan located at a meteorological station near the experimental plot. Irrigation started when readily available water (RAW) in the 0.3 m soil layer was completely absorbed by plants. Differences in crop yield (Y) and irrigation water use efficiency (IWUE) ob...
Ratarstvo i povrtarstvo, 2017
Contemporary Agriculture, 2016
Summary Dunavski rubin is a medium early indeterminate cultivar with large fruits and average fru... more Summary Dunavski rubin is a medium early indeterminate cultivar with large fruits and average fruit weight of 180 g. It was developed by crossing cultivars Korona and Saint Pierre. Hybrid material was grown by using the pedigree method. Phenotypically uniform line V9 was selected and submitted to the Varietal Release Committee of the Republic of Serbia. Cultivar was released in 2014 by the Decision of Ministry of Agriculture, Forestry and Water Management of the Republic of Serbia under no. 320-04-1871/2/2013-11. Dunavski rubin represents successful combination of genes responsible for high fertility rate and fruit quality. Fruits of Dunavski rubin cultivar have high percentage of dry matter (6.30%), high level of lycopene (106.7 mg/100 g), and excellent total acidity (0.39%). Vitamin C content is 52.7 mg/100 g, while total sugars amount to 5.71%. High K content (1520 mg/kg) and low Na content (79.8 mg/kg) is what distinguishes this cultivar from the others. Comparing with other cul...
Acta Horticulturae, 2002
A two-year trial on a chernozem soil was established at the the Rimski Sancevi Experimental Field... more A two-year trial on a chernozem soil was established at the the Rimski Sancevi Experimental Field of the Institute of Field and Vegetable Crops in Novi Sad in order to study the variability of yield and yield components in cabbage. Twelve divergent cabbage genotypes and a randomized block design with three replicates were evaluated. The following six traits were analyzed: head mass, usable portion of head, core length, head height, head diameter, and yield. Highly significant interactions were found in all of the traits except head height and diameter, indicating that these two are varietal traits and that growing conditions have little effect on their variability
Selekcija i semenarstvo, 2015
Genetika, 2015
Early blight is one of the most common and destructive tomato disease and it is caused by the fun... more Early blight is one of the most common and destructive tomato disease and it is caused by the fungus Alternaria solani. The aim of this paper was to screen the reaction of ten tomato genotypes (collection of the Institute of Field and Vegetable Crops) against natural infection of early blight. Tested genotypes showed significant differences in the disease occurrence on leaves but not on fruits. However, at the biochemical level, total phenolics (TP), tannins (TT), flavonoids (TF) and antioxidant activity in tomato fruits was significantly affected by genotype, disease occurrence and interaction of these two factors. According to obtained results, content of these secondary metabolites could be used as a one of the parameters in the evaluation of tomato resistance to EB.
II Balkan Symposium on Vegetables and Potatoes, 2002
The convergence of important trading routes and the arrival of beans from two directions, east (T... more The convergence of important trading routes and the arrival of beans from two directions, east (Turkey) and west (France, Italy), resulted in the development of two approaches in treating the bean as a food item. Consequently, domestic bean breeding programs differ in objectives with respect to grain color, shape and taste. The paper presents a quality comparison between 11 domestic and five foreign bean varieties. The studied quality parameters were grain color and shape, grain size determined as 1000-grain mass, and chemical properties of the grain. Six varieties had colored grains, 10 had white ones. The range of grain shapes covered seven of the 13 recognized shapes. Regarding 1000-grain mass, the domestic varieties were in the group of medium late varieties with the mass ranging from 250 to 450 g. Protein content in grains ranged from 22% to 25%. The varieties differed in the contents of starch, cellulose, fat and minerals in the grain. The hierarchical cluster method of the multivariate analysis was used to classify the tested genotypes according to the. chemical composition of the grain and according to all quality parameters studied
II Balkan Symposium on Vegetables and Potatoes, 2002
Ratarstvo i povrtarstvo, 2015
Ratarstvo i povrtarstvo, 2015
Genetika, 2012
The paper analyzes experimental hybrids of early cabbage developed at the Institute of Field and ... more The paper analyzes experimental hybrids of early cabbage developed at the Institute of Field and Vegetable Crops in the previous period. The hybrids were tested together for two years and then one (H17) was chosen and submitted to the Variety Commission of the Republic of Serbia. In 2011, the experimental hybrid H17 was officially released as an early cabbage hybrid and registered under the name of NS Mendo F1. The hybrid had been developed by crossing two early lines, one of which was sterile. It is characterized by a short growing season - 65 days from transplanting to harvest. The head weight ranges from 2.5 to 3.5 kg depending on the cultural practice applied. The head is light green in color, sweet-tasting, and suitable for fresh consumption. The hybrid?s traits that contributed significantly to the formation of the first principal component were in fact those that the breeders attach most importance to in their breeding programs. These are the traits that directly influence th...
Ratarstvo i povrtarstvo, 2013
Genetika, 2010
Tomato (Lycopersicum esculentum Mill.) is vegetable which could be produced and consumed in a man... more Tomato (Lycopersicum esculentum Mill.) is vegetable which could be produced and consumed in a many different ways, due to its variability, made by breeding programs. Variability of analyzed genotypes was determinated for further fruit traits: average mass, fruit shape, locules number and dry matter content. Variability source structure was determinated using principal components analysis (PCA). Three main components, which explain 94,2 % of total variability, were chosen for further analysis. The biggest part of the first main component has fruit shape and locule number. The second component is determinated by dry matter content, and the third by the fruit mass. For more precisely perception of homology and divergence between analyzed genotypes, nonhierarchical grouping analysis (k-means) was performed, and genotypes were divided into three groups. Divergency was determinated for fruit mass and locule number, while for index shape and dry matter contetent analyzed genotypes are homo...