Grafting Compatibility, Scion Growth, and Fusarium Wilt Disease Incidence of Intraspecific Grafted Tomato

Abstract The tomato ( Solanum lycopersicum L.) is one of the most important vegetables grown globally. However, production tomatoes restricted by Fusarium oxysporum f. sp. lycopersici (Fol). This study aims to investigate ability Fol-resistant genotypes be a rootstock for susceptible cultivar. In this study, cultivar was grafted on rootstocks same species (intraspecific), and grafting compatibility, peroxidase gene expression, fusarium wilt disease incidence scion evaluated. A Fol-susceptible ‘Sidathip 3’ (SDT3) onto four different compared with self-grafted cultivar/cultivar rootstock/rootstock. survival rate all plants 100% at 20 days after (DAG) without significant differences in incompatibility evaluated 42 grafting. expression Solyc02g084800.2 ) using qPCR technique LE472/LE472 SDT3/LE472. level three times higher heterografted than ones 15 DAG, indicating graft incompatibility. did not affect height plant, number branches, size fruit, or yield SDT3 scion. All intraspecific significantly controlled Fol when 60 inoculation. These results showed usefulness proper increase pathogen resistance addition stimulating growth fruit yield.