Table 1.

Genetically modified plants suitable for urban farming.

Plants	Tools	Characteristics	References
Tomato	CRISPR-Cas9, ​silencing ​three genes: ​SP5G, ​SP, and ​SlER	•Shortened internodes to increase compactness while maintaining ​productivity ​of tomato	Kwon et al. (2020)
Kiwifruit	CRISPR-Cas9-mediated mutagenesis of ​CEN-like candidate genes	•Shortening life cycle within a year ​with rapid terminal flower and fruit development	Varkonyi-Gasic et al. (2019)
Lettuce	Agrobacterium tumefaciens-mediated ​down-regulation of ​XTH ​genes through antisense inhibition	•Improvement of shelf-life of ​harvested leaves	Wagstaff et al. (2010)
	CRISPR-Cas9-mediated ​knocking-out of ​LsNCED4	•Increased ​seed germination temperature to 37 °C	Bertier et al. (2018)