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- Title
Base genética do hábito de crescimento e florescimento em tomateiro e sua importância na agricultura.
- Authors
Piotto, Fernando Angelo; Pereira Peres, Lázaro Eustáquio
- Abstract
Hybrids or open pollinated tomato cultivars used for sauces and ketchups production usually has determinate growth habit, while most of the genotypes used in the production to salads (in natura consumption) has indeterminate growth habit. Additionally, growth habit can have influence on culture management, productivity and total soluble solids (TSS) in fruits. The growth habit is mainly controlled by the gene SELFPRUNING (SP), which is a component of a small gene family which is also part of the gene SINGLE FLOWER TRUSS (SFT), currently considered one of the components so sought after 'florigin'. Understanding the biochemical function and physiological effect of such genes in interaction with the environment and other genes (epistasis), allows the manipulation of parameters such as precocity and TSS. It also provides subsidies to understand the genetic basis of semideterminate growth, which combines the advantages of determinate and indeterminate habit and can be used for plant breeders to development of new cultivars.
- Subjects
TOMATO genetics; FLOWERING of plants; PLANT growth; EPISTASIS (Genetics); TOMATO varieties; TOMATO sauces; KETCHUP
- Publication
Ciência Rural, 2012, Vol 42, Issue 11, p1941
- ISSN
0103-8478
- Publication type
Article
- DOI
10.1590/S0103-84782012001100006