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- Title
Combining ability and heterosis of relevant fruit traits of tomato genotypes for industrial processing.
- Authors
Torre Figueiredo, Alex Sandro; de Resende, Juliano Tadeu Vilela; Ventura Faria, Marcos; de Paula, Juliana Tauffer; Schwarz, Kélin; Suek Zanin, Daniel
- Abstract
The objective was to estimate the combining ability of lines and heterosis in industrial tomato genotypes for the identification of those with good potential for breeding programs. Ten lines of industrial tomato, 45 hybrids derived from a complete diallel and two commercial check cultivars were evaluated. The combining ability of tomato lines and heterosis of hybrid combinations for fruitquality related traits were estimated. Non-additive effects predominated in the genetic control of all traits. The parent lines RVTD-04, RVTD-10 and RVTD-08 had an exceptionally high presence of favorable alleles for most traits. High genetic divergence between the parents was observed, contributing positively to significant heterosis values. The above lines can be used in breeding programs to develop tomato hybrids with high performance for characteristics related to industrial processing.
- Subjects
HETEROSIS in plants; TOMATO genetics; TOMATO breeding; FRUIT quality; MANUFACTURING processes
- Publication
Crop Breeding & Applied Biotechnology, 2015, Vol 15, Issue 3, p154
- ISSN
1518-7853
- Publication type
Article
- DOI
10.1590/1984-70332015v15n3a27