The Syngenta range of Brussels Sprouts offers a comprehensive portfolio of varieties catering for the early, mid and late sowing seasons in Australia, allowing for year round production. Syngenta has developed a monogenetic dominant native trait which provides high resistance to clubroot for varieties of the Brassica oleracea species. This resistance is known as TopRes™, and is currently available in a selection of cabbage, cauliflower and Brussels sprout varieties.