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Asian Journal of Agricultural Research
Year: 2017  |  Volume: 11  |  Issue: 1  |  Page No.: 10 - 17

Inheritance of Fruit Cracking Resistance in Tomato (Solanum lycopersicum L.)

Marlina Mustafa, Muhamad Syukur, Surjono Hadi Sutjahjo and Sobir    

Abstract: Background: The agri-food industry has prioritized varieties with good quality fruit of vegetables such as tomatoes. Tomato fruit cracking is a physiological disorder that occurs due to genetic and environmental factors and causes fruit damage and reduce fruit quality, resulting in great economic losses. Objective: The objective of this study was to identify genotypes resistant and susceptible, determine selection criteria for fruit cracking resistance, inheritance of tomato fruit cracking and determine the selection method to develop superior tomatoes that are reistant to tomato fruit cracking. Material and Methods: A randomized complete block design was used to select parental plants based on fruit cracking index and determine the selection criteria based on correlation analysis, path analysis and heritability. Resistant genotype and susceptible genotype used as parent in six generation with Mendel analysis were used to determine the inheritance of tomato fruit cracking. Results: Results showed that the resistance genotypes to fruit cracking are IPBT4, IPBT56, IPBT60, IPBT64, IPBT83 and IPBT85 and the susceptible genotype in IPBT3. The resistance genotypes can be used as a donor parent for superior genotypes and fruit cracking resistance. The number of locales and pericarp thickness can be used as selection criteria for fruit cracking resistance because these have a high direct influence on fruit cracking and high heritability. Inheritance of tomato fruit cracking controlled by two pairs of double resessive epistasis gene or complete dominance. Conclusion: The pedigree selection will be the best breeding method to develop good line bred varieties with fruit cracking resistance.

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