Principal component analysis of tomato genotypes based on some morphological and biochemical quality indicators
2012
Glogovac, Svetlana (Institute of Field and Vegetable Crops, Novi Sad (Serbia)) | Takač, Adam (Institute of Field and Vegetable Crops, Novi Sad (Serbia)) | Tepić, Aleksandra (Faculty of Technology, Novi Sad (Serbia)) | Šumić, Zdravko (Faculty of Technology, Novi Sad (Serbia)) | Gvozdanović-Varga, Jelica (Institute of Field and Vegetable Crops, Novi Sad (Serbia)) | Červenski, Janko (Institute of Field and Vegetable Crops, Novi Sad (Serbia)) | Vasić, Mirjana (Institute of Field and Vegetable Crops, Novi Sad (Serbia)) | Popović, Vukašin (Institute of Field and Vegetable Crops, Novi Sad (Serbia))
This study investigates variability of tomato genotypes based on morphological and biochemical fruit traits. Experimental material is a part of tomato genetic collection from Institute of Filed and Vegetable Crops in Novi Sad, Serbia. Genotypes were analyzed for fruit mass, locule number, index of fruit shape, fruit colour, dry matter content, total sugars, total acidity, lycopene and vitamin C. Minimum, maximum and average values and main indicators of variability (CV and σ) were calculated. Principal component analysis was performed to determinate variability source structure. Four principal components, which contribute 93.75% of the total variability, were selected for analysis. The first principal component is defined by vitamin C, locule number and index of fruit shape. The second component is determined by dry matter content, and total acidity, the third by lycopene, fruit mass and fruit colour. Total sugars had the greatest part in the fourth component
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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