Researchers at Tel Aviv University used CRISPR gene editing to reduce the time that tomatoes transpire – open their stoma to photosynthesis – which also causes evaporation. Less evaporation means less water needed for irrigation.

https://nocamels.com/2024/01/tel-aviv-university-gene-tech-produces-tomatoes-using-less-water/

https://www.pnas.org/doi/abs/10.1073/pnas.2309006120

https://en-lifesci.tau.ac.il/lp-en-plants