Route Analysis Through Filial Generations of Modern Varieties of Tomato (Solanum lycopersicum L.)

Objective: To measure the efficiency of using advanced generations of some commercial tomato hybrids for small farmers and to identify the most important yield components associated with yield. Design/Methodology/Approach: Seven saladette-type hybrids of indeterminate growth were evaluated, as well...

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Bibliographic Details
Published inAgro Productividad Vol. 14; no. 5; pp. 29 - 35
Main Authors Hernández Leal Enrique, Hernández Bautista Aurelio, Bonilla Barrientos Olga, Lobato Ortiz Ricardo, Franco Gaytán Iván, García Zavala José de Jesús, Hernández Rodríguez Martha
Format Journal Article
LanguageEnglish
Published 16.06.2021
Edition2394
Subjects
Community/Rural/Urban Development
Crop Production/Industries
Farm Management
farmers
Inbreeding depression
path analysis
production costs
Productivity Analysis
tomato breeding
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Summary:Objective: To measure the efficiency of using advanced generations of some commercial tomato hybrids for small farmers and to identify the most important yield components associated with yield. Design/Methodology/Approach: Seven saladette-type hybrids of indeterminate growth were evaluated, as well as their respective generations F2s and F3s under greenhouse conditions. The evaluation of the three generations was carried out during the 2013 agricultural cycle. Three harvests were made at 82, 94 and 136 days after transplanting. The experiment was a randomized complete block design, with 4 replications and 10 plants per replication. Results: Results indicated that there were significant differences for a few traits in F2 and F3. Path analysis showed that the total number of fruits had the highest direct and indirect effects on yield through generations. Limitations of the study/implications: The usefulness of advanced generations of tomato commercial hybrids would depend on the genetic background of the parental lines that take part in such as hybrids, as some hybrids would present high inbreeding depression depending on the genetic composition of their progenitors. Findings/Conclusions: Advanced generations of ‘LORETO’, ‘CUAUHTÉMOC’ and ‘ESPARTACO’ could be used by the small growers since low values of inbreeding depression were observed in F2 and F3 families
ISSN:2594-0252
DOI:10.22004/ag.econ.312936