New Grass Reduces the Chance of Flooding

Scientists from across the UK have used a hybridised grass species called perennial ryegrass (Lolium perenne) with a related species called meadow fescue (Festuca pratensis). The hope of the experimet was to capture the fast, rapid growth of the perennial ryegrass with the  meadow fescue, which has the efficiency to caputre water in the root system. Scientists spent over two year experimenting with the grasses and made a hybrid, named Festulolium, which reduced the water runofff of agricultural land by up to 51%. The hybrid works because the rapid initial growth allows more water to be absobed in the soil.
This grass also allows quality food for horses or cattle, and is resistant to extreme weather, making the grass a great choice for farmers. Dr. Kit Macleod, scientist from the James Hutton Institute, said: "Hybrid grasses of this type show potential for reducing the likelihood of flood generation, whilst providing pasture for food production under conditions of changing climate." In the futre, this grass could have the potential to reduce the chace of a flood, and will this will help farmers around the world.

NOS Themes:

• Science is collaborative.
• Science is based on evidence.
• Importance of repeatability.
• Role of motivation and curiosity.

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