Slugs and snails Enemy number one for most vegetable growers, slugs and snails, love damp conditions and thrive in a warm, wet summer. Crops affected: Virtually any crop –snails above ground, slugs both above and below soil level. Worst affected are brassicas, carrots, potatoes, seedlings. Symptoms: Nibbled leaves and roots can be confused with other pests such as caterpillars. Look…