The world's biggest tomato has been launched in the UK. The Gigantomo plants can grow enormous fruits up to 10 inches wide and as heavy as 3lbs - about 12 times the size of an average salad tomato.

The Harrogate Autumn Flower Show will use specialist technology to ensure the winning fruit is of the Gigantomo variety. The giant entries must be from that strain of plant to win the £1,000 prize.

The world's biggest tomato has been launched in the UK. The Gigantomo plants can grow enormous fruits up to 10 inches wide and as heavy as 3lbs - about 12 times the size of an average salad tomato.

A sample of the fruit is tested to ensure it is from the Gigantomo strain Gardeners trying to cheat their way to the top tomato prize at a horticultural show will be weeded out with DNA tests.