Japan research group uses ethanol to grow heat-tolerant vegetables

NHK WORLD-JAPAN
2025.08.03

A group of researchers in Japan is advancing studies on the application of ethanol for vegetables to grow steadily under high heat stress.

The group, led by Seki Motoaki at Riken Center for Sustainable Resource Science, has discovered that plants can grow in high temperatures by feeding ethanol through the roots and spraying the alcohol on leaves.

In an experiment using cherry tomatoes, the researchers applied ethanol, diluted to about 0.1 percent, to the plants and exposed them to heat at 50 degrees Celsius for several hours.

They said they found that the leaves grew larger than those treated only with water and the number of fruits more than tripled.

When ethanol was applied to other plants, the researchers said they detected changes, such as increases in proteins that protect cells from heat and sugar contained in leaves and fruits.

Read more here.

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