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Tomato is an edible and useful vegetable. Navel rot disease and low light stress are the problem in tomato cultivation. Tomato
breeding is a potential cheap solution but takes longer time. Grafting technology provides instant solution like cultivating
sensitive tomato (scion) grafted on resistant rootstock on non-optimal environmental conditions. DNA methylation of grafted
plants might help to adapt to the adverse conditions and has become a hot point in researches concerning vegetable breeding.
In this research, disease-resistant tomato cultivar “1221” was used as rootstock, while disease-sensitive tomato cultivar “Money
Maker (MM)” was used as scion. After grafting, changes of genomic global DNA methylation were investigated through
MSAP analysis. According to MSAP analysis, alterations of degree of DNA methylation patterns were observed, which might
help graft hybrids to adapt in response to the internal and external stimuli.
Xu Xincheng, Zulfiqar Ali, Song Weiyi, Nida Ghori, Shao Hongbo, Ding Jinping. (2016) Alterations Of Dna Methylation In Diverse Grafted Hybrid Tomatoes (Solanum Lycopersicum L.), , Volume-53, Issue-1.
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