Genetic parameters of yield components and pomologic properties in raspberry seedlings
2011
Fotirić-Akšić, M., Faculty of Agriculture, Belgrade - Zemun (Serbia) | Radović, A., Faculty of Agriculture, Belgrade - Zemun (Serbia) | Milivojević, J., Faculty of Agriculture, Belgrade - Zemun (Serbia) | Nikolić, M., Faculty of Agriculture, Belgrade - Zemun (Serbia) | Nikolić, D., Faculty of Agriculture, Belgrade - Zemun (Serbia)
Over a three-year period yield components and pomologic properties were studied in 20 raspberry seedlings obtained by open pollination of Meeker's yellow clone. The primary goals of this research were to determine its variability components, coefficients of genetic and phenotypic variation and coefficient of heritability in a broader sense. The analysis of the components of total variance evidenced that higher proportion of genotypic variance was found with fruit shape index (30.84%) and sucrose content (35.61%). The results revealed that genotypic coefficient of variation were less than its corresponding estimates of phenotypic coefficient of variation for all traits which indicated significant role of environment in the expression of these characters. The values of heritability coefficients, in a broader sense, were high except for number of flowers per inflorescens (9.47%), titratable acidity (6.38%) and inverted sugar content (28.88%). Nine characters had h2 in interval from 50 to 80% but for fruit weight and fruit length was greater than 80% which implies the high potential of genetic improvement in those traits.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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